USB

139 devices

Browse boards with USB interface for OTG host/device mode and USB HID applications.

LILYGO T-Keyboard S3 Pro

ESP32 S3
LILYGO T-Keyboard S3 Pro

Advanced ESP32-S3 programmable keyboard board with 4 built-in 0.85" TFT displays, 14 RGB LEDs, rotary encoder, STM32 co-processor, magnetic connectors for daisy-chaining up to 6 units.

ESP32-S3R816MBWiFi 802.11 b/g/n 2.4 GHzBLE BLE 5.0
~$60View

LILYGO Module17 Revision 0.1E

Dev Board
LILYGO Module17 Revision 0.1E

STM32-based M17 digital amateur radio modem board with DE-9 connector — implements the open-source M17 protocol for digital voice and data over amateur radio, compatible with OpenRTX firmware.

STM3220KB SRAM128KB
~$32View

Denky D4

IoT Sensor Board
Denky D4

Open-source ESP32 Teleinfo reader board for French Linky energy meters. Pre-flashed with Tasmota, features USB-C, WiFi, QWIIC I2C port, and RGB LED. Reads both Standard and Historique TIC formats.

ESP32-PICO-V3-02520KB SRAM8MBWiFi 802.11 b/g/nBLE BLE 4.2
~$27View

AVR-HF ADX-MI3

transceiver
AVR-HF ADX-MI3

Pre-built digital mode QRP transceiver for amateur radio, supporting FT8, FT4, JS8, and WSPR on HF bands from 160m to 6m with ~5W output, OLED display, and single USB-C cable operation.

AVR 8-bit single-core @ 16MHz2KB SRAM32KB
~$70View

DezKVM Go

KVM Device
DezKVM Go

Open-source KVM-over-USB device for controlling headless computers from your laptop. Features HDMI capture up to 1080p 25fps, virtual keyboard/mouse via USB HID, and a browser-based interface requirin

No onboard CPU — passive USB hub design with dedicated controller ICs (CH9329, CH340C, MS2109, SL2.1A)N/A (no onboard RAM)N/A (no onboard flash storage)WiFi falseBLE falseZigbee falseEthernet false
~$25View

duckyPad Pro

macropad
duckyPad Pro

20-key open-source mechanical macropad with duckyScript engine, ESP32-S3, 1.5\" OLED, Bluetooth 5.0, hot-swap switches, dual rotary encoders, and microSD — a powerful Stream Deck alternative.

ESP32-S3 Xtensa LX7 dual-core @ 240MHz512KB SRAM4MB20 keys + 2 encoders + expansion GPIOWiFi WiFi 802.11 b/g/nBLE BLE 5.0
~$85View

UPduino v3.1

FPGA
UPduino v3.1

A low-cost, fully open source FPGA development board built on the Lattice ICE40UP5K with 5.3K LUTs, on-board FTDI FT232H USB programmer, 4MB qSPI flash, and 39 GPIO pins on PMOD-compatible headers.

Lattice ICE40UP5K (5.3K LUT FPGA)1Mbit SPRAM + 120Kbit DPRAM4MB39 GPIOWiFi NoBLE NoZigbee NoEthernet No
~$36View

BlueMicro PyKey60

Keyboard Pcb
BlueMicro PyKey60

Open-source 60% mechanical keyboard PCB with RP2040 MCU, per-key RGB NeoPixel LEDs, Kailh hot-swap sockets, onboard buzzer, and USB-C. Runs KMK and CircuitPython firmware.

ARM Cortex-M0+ dual-core @ 133MHz (RP2040)264KB SRAM16MBWiFi NoBLE NoZigbee NoEthernet No
~$50View

Blue Pill STM32F103C8T6

Dev Board
Blue Pill STM32F103C8T6

Popular low-cost development board based on the STM32F103C8T6 ARM Cortex-M3 microcontroller running at 72 MHz. Features 64 KB flash, 20 KB SRAM, and extensive peripheral support for embedded developme

STM32F103C8T620 KB64 KB37 GPIO

SLAMTEC RPLiDAR A1

Sensor Module
SLAMTEC RPLiDAR A1

360-degree 2D laser scanner with 12m range and 8000 samples per second. Widely used for ROS robotics, SLAM mapping, and autonomous navigation applications.

Embedded MCU (proprietary)N/A (proprietary)N/A (proprietary firmware)
~$99View

DFRobot Maqueen Plus V3

robot
DFRobot Maqueen Plus V3

Advanced micro:bit STEM robot with 8x8 matrix laser ranging, 5 line-tracking sensors with intersection recognition, magnetic encoders, PID control, and 6 RGB LEDs. Programmable via MakeCode and MicroP

Nordic nRF52833 (via micro:bit)128KB512KBBLE BLE (via micro:bit)
~$70View

DFRobot Maixduino AI Development Kit

Dev Board
DFRobot Maixduino AI Development Kit

RISC-V AI development board combining the Kendryte K210 AI processor with ESP32 for WiFi/BT connectivity. Includes camera and microphone for computer vision and voice recognition applications.

Kendryte K2108 MB SRAM16MB48 GPIOWiFi 802.11 b/g/nBLE BLE 4.2
~$52View

Flipper Zero

Multi Tool
Flipper Zero

Portable open-source multi-tool for hardware exploration, combining Sub-GHz, NFC, RFID 125kHz, infrared, iButton, BLE, and GPIO in a pocket-sized device with a 1.4" monochrome LCD.

STM32WB55RG ARM Cortex-M4 @ 64MHz + Cortex-M0+ @ 32MHz256KB SRAM1MB13 GPIOBLE BLE 5.4
~$199View

ChameleonUltra

Nfc Rfid Tool
ChameleonUltra

Open-source NFC/RFID multi-tool built on the nRF52840 SoC. Reads, writes, cracks, and emulates 13.56MHz and 125kHz cards in a compact key-fob form factor with BLE 5.0 connectivity.

nRF52840256KB SRAM1MBBLE BLE 5.0
~$40View

FT232 USB to TTL Serial Adapter

module
FT232 USB to TTL Serial Adapter

FTDI FT232RL-based USB-to-TTL serial adapter with selectable 3.3V/5V logic, 6-pin header, and full modem signals. Essential tool for programming Arduino, ESP8266, and other MCUs.

FT232RL embedded USB engine (no user-programmable CPU)N/A (peripheral module)N/A (peripheral module)

M5Stack UnitV2 AI Camera

Ai Camera
M5Stack UnitV2 AI Camera

Linux-based standalone AI camera with SigmaStar SSD202D dual-core Cortex-A7, GC4653 4MP sensor, 128MB RAM, WiFi, and USB-C. Runs Python and V-Training for edge AI.

SigmaStar SSD202D128 MB512 MB NANDWiFi WiFi 4
~$75View

Flipper Zero Video Game Module

Expansion Module
Flipper Zero Video Game Module

RP2040-powered expansion module for Flipper Zero with DVI-D video output, 6-axis IMU motion sensor, 14-pin GPIO breakout, and USB-C. Fully open-source firmware and schematics.

ARM Cortex-M0+ dual-core @ 133MHz (RP2040)264KB SRAM16MB11 GPIOWiFi falseBLE falseZigbee falseEthernet false
~$49View

TinkerNav RTK GNSS Board

GNSS Receiver
TinkerNav RTK GNSS Board

Open-source RTK GNSS board with SkyTraq PX1105R receiver and ESP32-S3 for centimeter-level positioning. Works as base station or rover with WiFi, Bluetooth LE, and optional LoRa connectivity.

ESP32-S3512KB SRAM16MBWiFi 802.11 b/g/nBLE BLE 5.0
~$99View

Oui-Spy

Security Tool
Oui-Spy

ESP32-S3 based multi-mode BLE detection and security research tool with integrated piezo buzzer, MMCX antenna connector, and seven swappable firmware modes for surveillance detection, drone tracking,

ESP32-S3512KB SRAM8MB11 GPIOWiFi 802.11 b/g/nBLE BLE 5.0
~$85View

Armachat FLIP

Handheld Messenger
Armachat FLIP

Pocket-sized open-source LoRa mesh messenger with ESP32-S3, RFM95 radio, 2.8" IPS display, and 36-key QWERTY keyboard. Runs Meshtastic and CircuitPython firmware for off-grid text communication.

ESP32-S3512KB SRAMvaries by ESP32-S3 moduleWiFi 802.11 b/g/nBLE BLE 5.0
~$52View

Adafruit ItsyBitsy M4 Express

Dev Board
Adafruit ItsyBitsy M4 Express

High-performance compact board with ATSAMD51 Cortex M4F at 120MHz, 192KB RAM, 512KB flash, 2MB SPI flash, dual 12-bit DAC/ADC, 18 PWM outputs, AES-256 crypto, and native USB. Measures 36mm × 18mm.

Microchip ATSAMD51 ARM Cortex M4F192 KB512 KB23 GPIO
~$15View

makerdiary nRF52840-MDK USB Dongle

nRF52840
makerdiary nRF52840-MDK USB Dongle

Open-source multi-protocol wireless USB dongle based on the Nordic nRF52840 SoC. Supports BLE 5.4, Thread, Zigbee, 802.15.4, NFC, and USB 2.0 with UF2 drag-and-drop bootloader. Priced at $12.99.

ARM Cortex-M4F @ 64MHz, FPU, DSP, CryptoCell-310 (RSA, ECC, SHA-256, AES)256 KB SRAM1 MBBLE Bluetooth 5.4 BLE + MeshZigbee Zigbee 3.0
~$13View

nice!nano v2 Wireless Keyboard Controller

nRF52840
nice!nano v2 Wireless Keyboard Controller

Pro Micro drop-in replacement wireless keyboard controller built on the nRF52840 with BLE 5.0, onboard LiPo charger, mid-mount USB-C, and UF2 bootloader. The most popular controller for ZMK wireless s

ARM Cortex-M4F @ 64MHz, FPU, DSP, CryptoCell-310256 KB SRAM1 MBBLE Bluetooth 5.0 BLE
~$25View

BeagleConnect Freedom

CC1352P7
BeagleConnect Freedom

Open-source wireless IoT board with TI CC1352P7 dual-band radio (sub-GHz + 2.4 GHz), BLE 5.0, two mikroBUS sockets for 1,000+ Click boards, and Zephyr RTOS. Designed for long-range wireless sensor net

ARM Cortex-M4F @ 48MHz, FPU, DSP144 KB SRAM + 8 KB cache704 KB + 2 MB external SPIBLE Bluetooth 5.0 BLE
~$30View

Adafruit Feather M0 Basic Proto

Dev Board
Adafruit Feather M0 Basic Proto

Feather-format ATSAMD21 ARM Cortex-M0+ board at 48 MHz, 3.3V with 256KB flash, 32KB RAM, LiPo charging, native USB, 12-bit ADC/DAC, and RTC crystal — lightweight and CircuitPython-capable.

ATSAMD21G18 ARM Cortex-M0+ @ 48 MHz32 KB256 KB
~$20View

Adafruit Feather M0 Adalogger

Dev Board
Adafruit Feather M0 Adalogger

Feather-format ATSAMD21 ARM Cortex-M0+ data logger at 48 MHz, 3.3V with microSD slot, 256KB flash, 32KB RAM, LiPo charging, native USB, and 12-bit ADC — 32-bit power for field data collection.

ATSAMD21G18 ARM Cortex-M0+ @ 48 MHz32 KB256 KB
~$20View

Waveshare RaspRover

Robot Platform
Waveshare RaspRover

Open-source 4WD AI robot with dual-controller architecture (ESP32 + Raspberry Pi), 5MP 160-degree camera, pan-tilt module, audio system, computer vision via OpenCV/MediaPipe, and ROS2 support for AI r

ESP32-WROOM-32 + Raspberry Pi 4B/5520KB SRAM4MBWiFi 802.11 b/g/nBLE BLE 4.2
~$175View

Waveshare Cobra Flex

Robot Platform
Waveshare Cobra Flex

All-metal modular drive-by-wire 4WD robot chassis with ESP32-S3 controller, hub motors with built-in FOC control, CNC metal suspension, LIN bus communication, IP32 protection, and 12 kg payload capaci

ESP32-S3512KB SRAM8MBWiFi 802.11 b/g/nBLE BLE 5.0
~$320View

Waveshare CM5-DUAL-ETH-BASE

Raspberry Pi Hat
Waveshare CM5-DUAL-ETH-BASE

Gigabit + 2.5G dual Ethernet base board for Raspberry Pi Compute Module 5 with M.2 NVMe slot, dual HDMI 4K output, dual MIPI interfaces, wide 7-36V input, EEPROM, and encryption chip for industrial Io

BCM2712 (via CM5)Depends on CM5 moduleM.2 NVMe + TF card40-pin RPi header GPIOEthernet 2.5 Gbps + 1 Gbps dual
~$55View

Adafruit KB2040

Keyboard Pcb
Adafruit KB2040

Arduino Pro Micro-compatible RP2040 keyboard controller with 8 MB flash, 20 GPIO, STEMMA QT, castellated USB pads, NeoPixel, and QMK/KMK/CircuitPython support for custom mechanical keyboards.

ARM Cortex-M0+ dual-core @ 125 MHz (RP2040)264 KB SRAM8MB SiP

Adafruit QT Py RP2040

Dev Board
Adafruit QT Py RP2040

Tiny RP2040-based dev board in the QT Py / Seeed XIAO form factor, featuring 8MB flash, USB-C, a NeoPixel, and a STEMMA QT connector for solderless I2C sensor wiring.

ARM Cortex-M0+ dual-core @ 125 MHz (RP2040)264 KB SRAM8MB SiP
~$10View

Adafruit METRO M0 Express

Dev Board
Adafruit METRO M0 Express

Arduino Uno-compatible development board powered by ATSAMD21G18 Cortex M0+ at 48MHz with 256KB flash, 32KB SRAM, 2MB SPI flash, and CircuitPython pre-loaded. Features Arduino shield compatibility and

ATSAMD21G18 ARM Cortex M0+32 KB256 KB25 GPIO
~$25View

Raspberry Pi 4 Model B

sbc
Raspberry Pi 4 Model B

Flagship Raspberry Pi SBC with BCM2711 quad-core Cortex-A72 @ 1.5GHz, dual-band WiFi, Gigabit Ethernet, dual micro-HDMI 4K outputs, USB 3.0, and USB-C power. Available in 1GB, 2GB, 4GB, and 8GB LPDDR4

BCM2711 quad-core ARM Cortex-A72 @ 1.5GHz, 64-bit1GB / 2GB / 4GB / 8GB LPDDR4-3200 (variant-dependent)microSD (external)WiFi 802.11ac dual-band (2.4GHz + 5GHz)BLE Bluetooth 5.0 / BLEZigbee falseEthernet Gigabit Ethernet (RJ45, PoE-capable via HAT)
~$35View

Adafruit FLORA v3

Dev Board
Adafruit FLORA v3

Round, sewable Arduino-compatible wearable platform with ATmega32u4, native USB, NeoPixel, JST battery connector, and alligator-clip-friendly pads in a 45mm diameter form factor.

ATmega32u4 @ 8 MHz2.5 KB32 KB
~$15View

Adafruit Metro M7 with AirLift

Dev Board
Adafruit Metro M7 with AirLift

Arduino UNO-compatible Metro board powered by NXP iMX RT1011 at 500 MHz with an ESP32 AirLift WiFi co-processor, 8 MB QSPI Flash, and USB-C — Adafruit's fastest Metro ever.

NXP iMX RT1011 ARM Cortex-M7 @ 500 MHz128 KB SRAM8MB QSPIWiFi 802.11 b/g/n
~$30View

Arduino Leonardo

Dev Board
Arduino Leonardo

Arduino board with ATmega32u4 featuring native USB — no separate USB chip needed — allowing it to emulate keyboards, mice, and joysticks while maintaining full Arduino IDE compatibility.

ATmega32u4 @ 16 MHz2.5 KB32 KB
~$23View

Adafruit FunHouse

IoT Controller
Adafruit FunHouse

WiFi IoT automation board with ESP32-S2, built-in 1.54″ color TFT, barometric pressure, humidity, temperature sensors, DotStar LEDs, capacitive touch, and a speaker.

Xtensa LX7 single-core @ 240 MHz (ESP32-S2)320 KB SRAM + 2 MB PSRAM4MBWiFi 2.4GHz 802.11 b/g/n
~$35View

Arduino Due

Dev Board
Arduino Due

Arduino's first 32-bit ARM board based on the AT91SAM3X8E Cortex-M3 at 84 MHz with 512KB flash, 96KB SRAM, dual USB ports, 2 DACs, and 12 PWM channels in Mega form factor.

AT91SAM3X8E ARM Cortex-M3 @ 84 MHz96 KB512 KB
~$48View

Adafruit ESP32-S2 Feather

Dev Board
Adafruit ESP32-S2 Feather

Feather-format ESP32-S2 board with 4 MB flash, 2 MB PSRAM, native USB-C, STEMMA QT, LiPoly charging, and MAX17048 battery monitor — WiFi IoT in the Feather ecosystem.

Xtensa LX7 single-core @ 240 MHz (ESP32-S2)320 KB SRAM + 2 MB PSRAM4MBWiFi 2.4GHz 802.11 b/g/n
~$18View

Arduino Micro

Dev Board
Arduino Micro

Smallest official Arduino with native USB, based on ATmega32u4 at 16 MHz. Breadboard-friendly at 48×18mm with 20 I/O pins, 12 analog inputs, and USB HID/CDC emulation capability.

ATmega32u4 @ 16 MHz2.5 KB32 KB
~$22View

TinyS2 ESP32-S2

Dev Board
TinyS2 ESP32-S2

Ultra-compact ESP32-S2 development board by Unexpected Maker in the TinyPICO form factor, with 4 MB flash, 2 MB PSRAM, native USB, WiFi, and LiPo charging at just 17.8 × 41 mm.

Xtensa LX7 single-core @ 240 MHz (ESP32-S2)320 KB SRAM + 2 MB PSRAM4MBWiFi 2.4GHz 802.11 b/g/n
~$19View

Adafruit Feather STM32F405 Express

Microcontroller Board
Adafruit Feather STM32F405 Express

High-speed Feather-form-factor dev board with STM32F405 ARM Cortex-M4F @ 168MHz, 1MB Flash, 192KB RAM, 2MB SPI Flash, USB-C, STEMMA QT, SD card socket, and LiPo charging. Adafruit's fastest CircuitPyt

ARM Cortex-M4F @ 168MHz (STM32F405)192KB SRAM1MB + 2MB SPI FlashWiFi falseBLE falseZigbee falseEthernet false
~$25View

Adafruit GEMMA v2

Dev Board
Adafruit GEMMA v2

Tiny 27mm round sewable wearable microcontroller with ATtiny85 at 8 MHz, 3 GPIO, Micro USB programming, 3.3V power, and reverse-polarity protection — ideal for small LED and NeoPixel wearable projects

ATtiny85 @ 8 MHz512 bytes8 KB
~$10View

Adafruit MACROPAD RP2040

macropad
Adafruit MACROPAD RP2040

RP2040-powered 3×4 mechanical macropad with 12 NeoPixels, a 128×64 OLED display, rotary encoder, speaker, and STEMMA QT — fully programmable via CircuitPython or Arduino.

ARM Cortex-M0+ dual-core @ 130 MHz (RP2040)264 KB SRAM8MB SiP
~$35View

Arduino Yún

Dev Board
Arduino Yún

Hybrid Arduino/Linux board combining ATmega32U4 with a MIPS-based Linux SoC, 802.11bgn WiFi, Ethernet, USB host, and microSD — enabling cloud-connected Arduino sketches and over-the-air programming.

ATmega32U4 @ 16 MHzAtheros AR9331 MIPS @ 400 MHz2.5 KB (MCU)64 MB DDR2 (Linux)32 KB (MCU)16 MB SPI (Linux)WiFi 802.11 b/g/nEthernet 10/100 Mbps PoE
~$75View

PIC32 Pinguino

Dev Board
PIC32 Pinguino

The PIC32 Pinguino is an open-source Arduino-form-factor development board based on the Microchip PIC32MX440F256H 32-bit processor at 80MHz, with industrial-grade power input, LiPo battery support, an

PIC32MX440F256H @ 80MHz32 KB256 KB
~$35View

ESP32-S2 HMI DevKit 1

Dev Board
ESP32-S2 HMI DevKit 1

Espressif ESP32-S2-WROVER HMI development kit with a 4.3″ 800×480 capacitive touchscreen, onboard IMU, microphone, speaker, microSD, IR, and RGB LEDs — designed for smart-home panel prototyping.

Xtensa LX7 single-core @ 240 MHz (ESP32-S2-WROVER)320 KB SRAM + 2 MB PSRAM4MBWiFi 2.4GHz 802.11 b/g/n
~$80View

Adafruit PyPortal Titano

Iot Display
Adafruit PyPortal Titano

Large-screen IoT display board with ATSAMD51J20 + ESP32 WiFi coprocessor, 3.5" 320×480 resistive touchscreen TFT, 8MB Flash, microSD, speaker, and USB-C. Designed for Python-powered internet-connected

ARM Cortex-M4F @ 120MHz (ATSAMD51J20)256KB SRAM8MB SPI FlashWiFi 802.11b/g/n via ESP32 coprocessorBLE falseZigbee falseEthernet false
~$60View

Adafruit Trinket 3.3V

Dev Board
Adafruit Trinket 3.3V

Tiny 27×15mm Arduino-compatible microcontroller board with ATtiny85 at 8 MHz, 3.3V logic, 8KB flash, 3 GPIO pins, and Micro USB programming for minimal space-constrained projects.

ATtiny85 @ 8 MHz512 bytes8 KB

ESP32-S3 Box

Dev Board
ESP32-S3 Box

Espressif AIoT development kit with ESP32-S3, a 2.4″ 320×240 capacitive touchscreen, dual microphones, speaker, 16 MB Flash, 8 MB PSRAM, WiFi, BLE 5, and Pmod expansion.

Xtensa LX7 dual-core @ 240 MHz (ESP32-S3)512 KB SRAM + 8 MB PSRAM16MBWiFi 2.4GHz 802.11 b/g/nBLE BLE 5.0
~$50View

Adafruit Trinket 5V

Dev Board
Adafruit Trinket 5V

Tiny 31×15mm Arduino-compatible microcontroller with ATtiny85 at 8–16 MHz, 5V logic, 8KB flash, 3 GPIO pins, and Micro USB — the 5V variant for interfacing with 5V sensors and NeoPixel LEDs.

ATtiny85 @ 8-16 MHz512 bytes8 KB

Adafruit ItsyBitsy nRF52840 Express

Microcontroller Board
Adafruit ItsyBitsy nRF52840 Express

Tiny breadboard-friendly Bluetooth LE board with Nordic nRF52840 Cortex-M4F @ 64MHz, 1MB Flash, 256KB RAM, 2MB QSPI Flash, 21 GPIO, and native USB — all in a 36×17.6mm footprint. Supports CircuitPytho

ARM Cortex-M4F @ 64MHz (Nordic nRF52840)256KB SRAM1024KB + 2MB QSPI FlashWiFi falseBLE Bluetooth 5.0 BLE (+8dBm, nRF52840)Zigbee falseEthernet false
~$20View

Raspberry Pi Zero 2 W

sbc
Raspberry Pi Zero 2 W

Credit-card-tiny Linux SBC with a quad-core Cortex-A53 at 1 GHz, 512 MB RAM, 2.4 GHz WiFi, Bluetooth 4.2, a 40-pin GPIO header footprint, mini HDMI, and a CSI camera connector.

Broadcom BCM2710A1 quad-core 64-bit ARM Cortex-A53 @ 1 GHz512 MB LPDDR2 SDRAMnoneWiFi 802.11 b/g/nBLE BLE 4.2
~$15View

Adafruit Feather nRF52840 Sense

Microcontroller Board
Adafruit Feather nRF52840 Sense

Sensor-rich BLE Feather with Nordic nRF52840 (64MHz Cortex-M4F), 6 onboard sensors (9-DoF IMU, magnetometer, proximity/light, PDM mic, humidity, barometric pressure), 21 GPIO, and FCC/IC/TELEC certifi

ARM Cortex-M4F @ 64MHz (Nordic nRF52840)256KB SRAM1MB FlashWiFi falseBLE Bluetooth 5.0 BLE (nRF52840)Zigbee falseEthernet false
~$40View

Adafruit Pro Trinket 5V

Dev Board
Adafruit Pro Trinket 5V

Compact ATmega328P-based Arduino-compatible board at 16 MHz, 5V, with 28KB flash, 18 GPIO, Micro USB, FTDI header, and mounting holes — a miniaturized UNO with battery-friendly power management.

ATmega328P @ 16 MHz2 KB28 KB
~$10View

Adafruit ESP32-S2 Feather with BME280

Dev Board
Adafruit ESP32-S2 Feather with BME280

ESP32-S2 Feather with an onboard BME280 temperature, humidity, and barometric pressure sensor, plus 4 MB flash, 2 MB PSRAM, native USB-C, STEMMA QT, and LiPoly charging.

Xtensa LX7 single-core @ 240 MHz (ESP32-S2)320 KB SRAM + 2 MB PSRAM4MBWiFi 2.4GHz 802.11 b/g/n
~$25View

PJRC Teensy 4.1

Microcontroller Board
PJRC Teensy 4.1

High-performance microcontroller with NXP i.MX RT1062 ARM Cortex-M7 @ 600MHz, 1MB RAM, 2MB Flash, 100Mbps Ethernet PHY, SD card, 55 GPIO, dual 480Mbps USB, and 3 CAN Bus. Expanded Teensy 4.0 sibling.

ARM Cortex-M7 @ 600MHz (NXP i.MX RT1062)1024KB (512KB tightly coupled)2048KBWiFi falseBLE falseZigbee falseEthernet 100Mbps Ethernet PHY (built-in, RJ45 via adapter)
~$30View

ESP32-S3-DevKitC-1

Dev Board
ESP32-S3-DevKitC-1

Espressif official ESP32-S3 development board with ESP32-S3-WROOM-1 module, dual-core 240 MHz LX7, up to 45 GPIO, dual USB ports, and available in three memory variants: 8MB/2MB PSRAM, 8MB/8MB PSRAM,

Xtensa LX7 dual-core @ 240 MHz (ESP32-S3)512 KB SRAM8MB (N8R2/N8R8) or 32MB (WROOM-2)WiFi 2.4GHz 802.11 b/g/nBLE BLE 5.0
~$18View

ESP32-S2-WROVER Module

module
ESP32-S2-WROVER Module

Bare WiFi module with Espressif ESP32-S2 single-core Xtensa LX7 @ 240MHz, 4MB Flash, 2MB PSRAM, 802.11b/g/n, native USB 1.1 OTG, and SMD pads. Intended for integration onto custom PCBs, not a standalo

Xtensa LX7 single-core @ 240MHz (ESP32-S2)320KB SRAM + 16KB RTC SRAM + 2MB PSRAM4MB SPI FlashWiFi 802.11 b/g/n @ 2.4GHz (150 Mbps)BLE falseZigbee falseEthernet false

ESP32-S3-DevKitM-1

Dev Board
ESP32-S3-DevKitM-1

Espressif official ESP32-S3 development board using the compact ESP32-S3-MINI-1 module, with dual-core 240 MHz LX7, 8 MB flash, up to 45 GPIO, dual USB ports, and smaller footprint than the WROOM-1.

Xtensa LX7 dual-core @ 240 MHz (ESP32-S3)512 KB SRAM8MBWiFi 2.4GHz 802.11 b/g/nBLE BLE 5.0
~$16View

Adafruit ItsyBitsy M0 Express

Dev Board
Adafruit ItsyBitsy M0 Express

Compact 3.3V CircuitPython/Arduino board with ATSAMD21G18 Cortex M0+ at 48MHz, 32KB RAM, 256KB flash, 2MB SPI flash, 23 GPIO with 11 analog inputs, RGB DotStar LED, native USB. Measures 36mm × 18mm.

ATSAMD21G18 ARM Cortex M0+32 KB256 KB23 GPIO
~$12View

ESP32-S2-WROVER-I Module with uFL

module
ESP32-S2-WROVER-I Module with uFL

Bare WiFi module with ESP32-S2 Xtensa LX7 @ 240MHz, 4MB Flash, 2MB PSRAM, 802.11b/g/n, native USB OTG, and a uFL connector for an external antenna. Drop-in variant of the WROVER for improved RF range.

Xtensa LX7 single-core @ 240MHz (ESP32-S2)320KB SRAM + 16KB RTC SRAM + 2MB PSRAM4MB SPI FlashWiFi 802.11 b/g/n @ 2.4GHz (150 Mbps)BLE falseZigbee falseEthernet false

Adafruit ESP32-S3 Feather (8MB Flash, No PSRAM)

Dev Board
Adafruit ESP32-S3 Feather (8MB Flash, No PSRAM)

Feather-format ESP32-S3 dual-core 240 MHz board with 8 MB flash, native USB-C, BLE, WiFi, STEMMA QT, LiPoly charging, and MAX17048 — no PSRAM variant for leaner memory budgets.

Xtensa LX7 dual-core @ 240 MHz (ESP32-S3)512 KB SRAM8MBWiFi 2.4GHz 802.11 b/g/nBLE BLE 5.0
~$18View

Adafruit QT Py ESP32-S2

Dev Board
Adafruit QT Py ESP32-S2

Tiny Seeed XIAO-compatible ESP32-S2 dev board with 4 MB flash, 2 MB PSRAM, native USB-C, STEMMA QT, WiFi, 13 GPIO, and 10 ADC inputs — no Bluetooth, all in a 21.8 × 17.9 mm footprint.

Xtensa LX7 single-core @ 240 MHz (ESP32-S2)320 KB SRAM + 2 MB PSRAM4MBWiFi 2.4GHz 802.11 b/g/n
~$13View

ESP32-S2 Saola 1R Dev Kit

Dev Board
ESP32-S2 Saola 1R Dev Kit

Espressif official ESP32-S2-WROVER development board with dual 20-pin headers (breadboard-friendly), 8MB Flash, 2MB PSRAM, WiFi, dual Micro-USB (native USB + UART bridge), NeoPixel RGB LED, and boot/r

Xtensa LX7 single-core @ 240MHz (ESP32-S2)320KB SRAM + 2MB PSRAM8MB SPI FlashWiFi 802.11 b/g/n @ 2.4GHz (ESP32-S2 WROVER)BLE falseZigbee falseEthernet false
~$15View

Adafruit Feather M4 Express

Dev Board
Adafruit Feather M4 Express

High-performance Feather with ATSAMD51J19 Cortex M4F at 120MHz, 192KB RAM, 512KB flash, 2MB SPI flash, dual 12-bit DAC/ADC, AES-256 hardware crypto, LiPo charging, 21 GPIO, and native USB HID. Feather

Microchip ATSAMD51J19 ARM Cortex M4F192 KB512 KB21 GPIO
~$23View

Adafruit Feather 32u4 Basic Proto

Dev Board
Adafruit Feather 32u4 Basic Proto

Feather-format ATmega32u4 board at 8 MHz, 3.3V with LiPo charging, native USB, onboard prototyping area, 20 GPIO, JST battery connector, and 100mA integrated charger — all in 51×23mm.

ATmega32u4 @ 8 MHz2 KB32 KB
~$20View

Arduino UNO Mini Limited Edition

Dev Board
Arduino UNO Mini Limited Edition

Miniaturised collector's Arduino UNO with ATmega328P at 16 MHz in a 34.2 × 26.7 mm form factor with USB-C, individually numbered and signed by Arduino's founders.

ATmega328P @ 16 MHz2 KB SRAM32KB
~$45View

ESP32-S2 Kaluga Dev Kit

Dev Board
ESP32-S2 Kaluga Dev Kit

Espressif's multimedia-focused ESP32-S2 evaluation platform bundling four extension boards: audio player, capacitive touch panel, 3.2" LCD display, and camera module. Designed to showcase ESP32-S2 hum

Xtensa LX7 single-core @ 240MHz (ESP32-S2)320KB SRAM + 2MB PSRAM4MB SPI FlashWiFi 802.11 b/g/n @ 2.4GHz (ESP32-S2 WROVER)BLE falseZigbee falseEthernet false
~$55View

Heltec Vision Master T190

Dev Board
Heltec Vision Master T190

ESP32-S3 development board with optional SX1262 LoRa module and 1.9-inch TFT color display. Supports Meshtastic, LoRaWAN, Arduino, MicroPython, and features integrated battery management with 18uA dee

Xtensa LX7 dual-core @ 240MHz, FPU, ULP co-processor512KB SRAM16MB (QSPI)WiFi 802.11 b/g/nBLE BLE 5.0
~$18View

ESP32-C3 DevKitM-01

Dev Board
ESP32-C3 DevKitM-01

Espressif official RISC-V ESP32-C3 dev board with ESP32-C3-MINI-1 module, 4 MB embedded SPI Flash, WiFi 4, BLE 5, Micro-USB, RGB LED, and a compact footprint for IoT prototyping.

RISC-V single-core @ 160 MHz (ESP32-C3)400 KB SRAM4MBWiFi 2.4GHz 802.11 b/g/nBLE BLE 5.0
~$10View

Adafruit HalloWing M0 Express

Dev Board
Adafruit HalloWing M0 Express

Skull-shaped wearable microcontroller with ATSAMD21G18 at 48MHz, 1.44" 128x128 TFT display, 3-axis accelerometer, light sensor, 4 capacitive touch pads, 2W speaker driver, 8MB SPI flash, and LiPo char

ATSAMD21G18 ARM Cortex M0+32 KB256 KB
~$35View

Adafruit QT Py ESP32-S2 with uFL Antenna

Dev Board
Adafruit QT Py ESP32-S2 with uFL Antenna

QT Py-sized ESP32-S2 dev board with a uFL connector for an external 2.4 GHz antenna, 4 MB flash, 2 MB PSRAM, native USB-C, STEMMA QT, and 13 GPIO — for improved WiFi range.

Xtensa LX7 single-core @ 240 MHz (ESP32-S2)320 KB SRAM + 2 MB PSRAM4MBWiFi 2.4GHz 802.11 b/g/n
~$13View

Adafruit Feather M4 CAN Express

Microcontroller Board
Adafruit Feather M4 CAN Express

CAN-bus-capable Feather with ATSAME51J19 ARM Cortex-M4F @ 120MHz, built-in CAN transceiver + 5V booster, USB-C, 21 GPIO, 2MB SPI Flash, dual DAC, and LiPo charging. Ideal for automotive and industrial

ARM Cortex-M4F @ 120MHz (ATSAME51J19)192KB512KB + 2MB SPI FlashWiFi falseBLE falseZigbee falseEthernet false
~$25View

Adafruit Feather 32u4 Adalogger

Dev Board
Adafruit Feather 32u4 Adalogger

Feather-format ATmega32u4 data logger at 8 MHz, 3.3V with onboard microSD slot, LiPo charging, native USB, 20 GPIO, and 100mA charger — built for portable data logging applications.

ATmega32u4 @ 8 MHz2 KB32 KB
~$22View

Adafruit PyBadge LC

Dev Board
Adafruit PyBadge LC

Low-cost credit card-sized gaming/badge board with ATSAMD51J19 at 120MHz, 1.8\" 160x128 TFT, 8 game buttons, 1 NeoPixel, light sensor, buzzer, 2MB SPI flash, and MicroSD. Supports MakeCode Arcade, Cir

Microchip ATSAMD51J19 ARM Cortex M4F192 KB512 KB
~$30View

FeatherS2 ESP32-S2

Dev Board
FeatherS2 ESP32-S2

Full-featured ESP32-S2 Feather-compatible board by Unexpected Maker with 16MB Flash, 8MB QSPI PSRAM, WiFi, native USB-C, 21 GPIO, STEMMA QT, APA102 RGB LED, ambient light sensor, and dual 700mA LDOs.

Xtensa LX7 single-core @ 240MHz (ESP32-S2)320KB SRAM + 8MB QSPI PSRAM16MB SPI FlashWiFi 802.11 b/g/n @ 2.4GHz (ESP32-S2)BLE falseZigbee falseEthernet false
~$25View

Adafruit QT Py ESP32 Pico

Dev Board
Adafruit QT Py ESP32 Pico

QT Py-sized classic ESP32 board with ESP32-PICO-V3-02, 8 MB flash, 2 MB PSRAM, WiFi, dual-core, Bluetooth Classic + BLE, STEMMA QT, and 13 GPIO — without native USB.

Xtensa LX6 dual-core @ 240 MHz (ESP32-PICO-V3-02)520 KB SRAM + 2 MB PSRAM8MBWiFi 2.4GHz 802.11 b/g/nBLE BLE 4.2
~$15View

Adafruit PyPortal

Dev Board
Adafruit PyPortal

The Adafruit PyPortal is an all-in-one CircuitPython WiFi IoT display board featuring an ATSAMD51J20 Cortex-M4F, ESP32 WiFi coprocessor, 3.2" 320×240 color touchscreen, built-in speaker, NeoPixel, mic

ATSAMD51J20 ARM Cortex-M4F @ 120MHz256 KB8 MBWiFi 802.11 b/g/n (via ESP32 coprocessor, TLS/SSL)
~$70View

Adafruit Metro ESP32-S2

Dev Board
Adafruit Metro ESP32-S2

Arduino Uno-compatible WiFi dev board with ESP32-S2 single-core @ 240MHz, 4MB Flash, 2MB PSRAM, native USB-C, STEMMA QT, LiPoly charging, MAX17048 fuel gauge, barrel jack, and UNO shield compatibility

Xtensa LX7 single-core @ 240MHz (ESP32-S2)320KB SRAM + 2MB PSRAM4MB SPI FlashWiFi 802.11 b/g/n @ 2.4GHz (ESP32-S2)BLE falseZigbee falseEthernet false
~$25View

TinyS3 ESP32-S3

Dev Board
TinyS3 ESP32-S3

Ultra-compact ESP32-S3 dev board by Unexpected Maker in the TinyPICO form factor — dual-core 240 MHz LX7, 8 MB Flash, 8 MB PSRAM, WiFi, BLE 5, 17 GPIO, LiPo charging at 35 × 17.8 mm.

Xtensa LX7 dual-core @ 240 MHz (ESP32-S3)512 KB SRAM + 8 MB PSRAM8MBWiFi 2.4GHz 802.11 b/g/nBLE Bluetooth 5.0 + Mesh
~$20View

FeatherS3 ESP32-S3

Dev Board
FeatherS3 ESP32-S3

Pro ESP32-S3 Feather-form-factor board by Unexpected Maker — dual-core 240 MHz LX7, 16 MB Flash, 8 MB PSRAM, WiFi, BLE 5, 21 GPIO, 2× STEMMA connectors, dual LDOs, LiPo charging.

Xtensa LX7 dual-core @ 240 MHz (ESP32-S3)512 KB SRAM + 8 MB PSRAM16MBWiFi 2.4GHz 802.11 b/g/nBLE Bluetooth 5.0 + Mesh
~$23View

Raspberry Pi Compute Module 3+

Compute Module
Raspberry Pi Compute Module 3+

The Raspberry Pi Compute Module 3+ is a SODIMM-form-factor system-on-module with the BCM2837B0 quad-core Cortex-A53 at 1.2GHz, 1GB LPDDR2 RAM, and eMMC storage variants of 8GB, 16GB, 32GB, or the stor

BCM2837B0 ARM Cortex-A53 quad-core @ 1.2GHz1 GB LPDDR28 GB / 16 GB / 32 GB eMMC, or none (Lite)Ethernet Gigabit Ethernet PHY (requires carrier board)
~$25View

ProS3 ESP32-S3

Dev Board
ProS3 ESP32-S3

Unexpected Maker's ultimate ESP32-S3 dev board — dual-core 240 MHz LX7, 16 MB Flash, 8 MB PSRAM, WiFi, BLE 5, 27 GPIO, 2× LDOs, castellated headers, STEMMA, LiPo charging, JTAG.

Xtensa LX7 dual-core @ 240 MHz (ESP32-S3)512 KB SRAM + 8 MB PSRAM16MBWiFi 2.4GHz 802.11 b/g/nBLE Bluetooth 5.0 + Mesh
~$30View

Adafruit Feather 32u4 Bluefruit LE

Dev Board
Adafruit Feather 32u4 Bluefruit LE

Feather-format ATmega32u4 board with integrated nRF51822 Bluetooth LE, LiPo charging, native USB, 20 GPIO, and over-the-air firmware updates — an all-in-one BLE development board for iOS and Android c

ATmega32u4 @ 8 MHz2 KB32 KBBLE Bluetooth LE 4.1 (nRF51822)
~$30View

Adafruit Metro M4 Express AirLift

Dev Board
Adafruit Metro M4 Express AirLift

Arduino Uno-compatible board with ATSAMD51J19 Cortex M4F at 120MHz, ESP32 AirLift WiFi co-processor with TLS/SSL, 512KB flash, 192KB RAM, 2MB QSPI flash, 25 GPIO, dual DAC/ADC, and native USB. Arduino

Microchip ATSAMD51J19 ARM Cortex M4F192 KB512 KB25 GPIOWiFi 802.11 b/g/n
~$35View

Arduino Zero

Dev Board
Arduino Zero

32-bit ARM Cortex-M0+ Arduino in UNO form factor with ATSAMD21G18 at 48 MHz, 256KB flash, 32KB SRAM, onboard EDBG debugger, dual USB ports, 12-bit ADC/DAC — designed for IoT, wearables, and robotics.

ATSAMD21G18 ARM Cortex-M0+ @ 48 MHz32 KB256 KB
~$55View

Raspberry Pi Compute Module 4

Compute Module
Raspberry Pi Compute Module 4

Industrial-grade embedded computer module with BCM2711 quad-core Cortex-A72 @ 1.5GHz, 1–8GB LPDDR4 RAM, optional 8–32GB eMMC and optional dual-band WiFi + Bluetooth 5.0. Available in 32 hardware varia

BCM2711 quad-core ARM Cortex-A72 @ 1.5GHz, 64-bit1GB / 2GB / 4GB / 8GB LPDDR4-3200 (variant-dependent)None (Lite) / 8GB / 16GB / 32GB eMMC (variant-dependent)WiFi optional: 802.11ac dual-band + Bluetooth 5.0 (variant-dependent)BLE optional: Bluetooth 5.0 BLE (variant-dependent)Zigbee falseEthernet Gigabit Ethernet PHY (IEEE 1588, via carrier board)
~$25View

Adafruit QT Py ESP32-S3

Dev Board
Adafruit QT Py ESP32-S3

Tiny dual-core ESP32-S3 dev board in the QT Py / Seeed XIAO footprint — 8 MB flash, WiFi, BLE 5, native USB-C, STEMMA QT, 13 GPIO, 10 ADC inputs, no PSRAM variant.

Xtensa LX7 dual-core @ 240 MHz (ESP32-S3)512 KB SRAM8MBWiFi 2.4GHz 802.11 b/g/nBLE BLE 5.0
~$13View

Adafruit Feather nRF52840 Express

Dev Board
Adafruit Feather nRF52840 Express

Feather board with nRF52840 ARM Cortex-M4F at 64MHz, BLE 5.0, native USB (CDC/HID/MIDI/MSC), 1MB flash, 256KB SRAM, 2MB QSPI flash, 21 GPIO, SWD debug, and LiPo charging. Supports Arduino and CircuitP

Nordic nRF52840 ARM Cortex-M4F256 KB1 MB21 GPIOBLE BLE 5.0
~$25View

Raspberry Pi CM4 IO Board

Dev Board
Raspberry Pi CM4 IO Board

Official reference carrier board for the Raspberry Pi Compute Module 4. Exposes dual HDMI 2.0, Gigabit Ethernet, 2× USB 2.0, PCIe x1, dual camera/display FPC, microSD slot (for CM4 Lite), RTC, HAT hea

none (no onboard MCU; requires CM4 module)N/A (provided by CM4)N/A (provided by CM4)WiFi false (provided by CM4 module if WiFi variant)BLE false (provided by CM4 module if WiFi variant)Zigbee falseEthernet Gigabit Ethernet (RJ45, PoE-capable with HAT)
~$35View

Adafruit ESP32-S3 Feather (4MB Flash, 2MB PSRAM)

Dev Board
Adafruit ESP32-S3 Feather (4MB Flash, 2MB PSRAM)

Feather-format ESP32-S3 board with 4 MB flash and 2 MB PSRAM, dual-core 240 MHz, native USB-C, BLE 5, WiFi, STEMMA QT, LiPoly charging, and MAX17048 battery monitor.

Xtensa LX7 dual-core @ 240 MHz (ESP32-S3)512 KB SRAM + 2 MB PSRAM4MBWiFi 2.4GHz 802.11 b/g/nBLE BLE 5.0
~$18View

Adafruit Grand Central M4 Express

Dev Board
Adafruit Grand Central M4 Express

Arduino Mega-form-factor board with ATSAMD51P20 Cortex M4F at 120MHz, 1MB flash, 256KB RAM, 8MB QSPI flash, 70 GPIO pins, SD card slot, 8 SERCOM, 22 PWM outputs, dual DAC/ADC, AES-256, and native USB.

Microchip ATSAMD51P20 ARM Cortex M4F256 KB1 MB70 GPIO
~$40View

Adafruit Metro ESP32-S3

Dev Board
Adafruit Metro ESP32-S3

Arduino UNO-compatible Metro board with ESP32-S3 dual-core 240 MHz, 16 MB flash, 8 MB Octal PSRAM, WiFi, BLE 5, native USB-C, STEMMA QT, LiPoly charging, and JTAG debug header.

Xtensa LX7 dual-core @ 240 MHz (ESP32-S3)512 KB SRAM + 8 MB PSRAM16MBWiFi 2.4GHz 802.11 b/g/nBLE BLE 5.0
~$25View

Adafruit Metro M4 Express (ATSAMD51)

Dev Board
Adafruit Metro M4 Express (ATSAMD51)

Arduino-compatible development board with ATSAMD51 ARM Cortex-M4F at 120 MHz, 512KB flash, 192KB RAM, 2MB QSPI flash, dual 1 MSPS DACs, crypto engine, NeoPixel, and native USB. CircuitPython and Ardui

ATSAMD51J19 ARM Cortex-M4F @ 120 MHz192KB SRAM512KB + 2MB QSPI Flash
~$28View

ESP32-S3 Box Lite

Dev Board
ESP32-S3 Box Lite

Espressif AIoT dev kit — ESP32-S3, 2.4″ 320×240 display, dual MEMS microphones, speaker, 16 MB Flash, 8 MB PSRAM, WiFi, BLE 5, Pmod expansion — the dock-free Lite sibling of the ESP32-S3 Box.

Xtensa LX7 dual-core @ 240 MHz (ESP32-S3)512 KB SRAM + 8 MB PSRAM16MBWiFi 2.4GHz 802.11 b/g/nBLE BLE 5.0
~$35View

Adafruit PyBadge

Dev Board
Adafruit PyBadge

Credit card-sized gaming and badge board with ATSAMD51J19 at 120MHz, 1.8\" 160x128 TFT, 8 game buttons, 5 NeoPixels, LIS3DH accelerometer, light sensor, 2W speaker, 2MB SPI flash, Feather headers, STE

Microchip ATSAMD51J19 ARM Cortex M4F192 KB512 KB
~$35View

Arduino MKR WiFi 1010

Microcontroller Board
Arduino MKR WiFi 1010

Compact IoT Arduino with SAMD21 Cortex-M0+ @ 48MHz, u-blox NINA-W102 WiFi + Bluetooth module, ATECC508 crypto chip, 256KB Flash, 32KB SRAM, USB full-speed, LiPo charging, and MKR shield compatibility.

ARM Cortex-M0+ @ 48MHz (SAMD21G18)32KB SRAM256KB FlashWiFi 802.11 b/g/n (u-blox NINA-W102)BLE Bluetooth 4.2 + BLE (u-blox NINA-W102)Zigbee falseEthernet false
~$32View

ESP32-S2 WROOM Module

ESP32 S2
ESP32-S2 WROOM Module

The ESP32-S2 WROOM is an Espressif WiFi module with a single-core Xtensa LX7 at 240MHz, 4MB flash, 320KB SRAM, built-in PCB antenna, native USB OTG, and rich peripheral support — a cost-effective WiFi

Xtensa LX7 single-core @ 240MHz (ESP32-S2)320 KB SRAM4 MB SPI flashWiFi 802.11 b/g/n (up to 150 Mbps)

Adafruit Feather RP2040

Microcontroller Board
Adafruit Feather RP2040

Feather-form-factor board with Raspberry Pi RP2040 dual-core Cortex-M0+ @ 133MHz, 264KB SRAM, 8MB Flash, 21 GPIO, 4 ADC, 2 PIO peripherals, USB-C with UF2 bootloader, STEMMA QT, and LiPo charging. Run

Dual ARM Cortex-M0+ @ 133MHz (RP2040)264KB SRAM (6 banks)8MB SPI FlashWiFi falseBLE falseZigbee falseEthernet false
~$12View

Adafruit Feather M0 Express

Dev Board
Adafruit Feather M0 Express

ATSAMD21G18 ARM Cortex-M0+ Feather board with 2MB SPI flash for CircuitPython code storage, built-in NeoPixel, 256KB flash, 32KB RAM, native USB, and 100mA LiPo charger. The dedicated CircuitPython Fe

ATSAMD21G18 ARM Cortex-M0+ @ 48 MHz32KB SRAM256KB + 2MB SPI Flash
~$20View

Adafruit ItsyBitsy RP2040

Microcontroller Board
Adafruit ItsyBitsy RP2040

Tiny 36×18mm breadboard-friendly board with Raspberry Pi RP2040 dual-core Cortex-M0+ @ 133MHz, 264KB SRAM, 8MB Flash, 23 GPIO, 4 ADC, 2 PIO peripherals, and Micro-USB. Runs CircuitPython and MicroPyth

Dual ARM Cortex-M0+ @ 133MHz (RP2040)264KB SRAM8MB SPI FlashWiFi falseBLE falseZigbee falseEthernet false
~$10View

Arduino Mega ADK

Dev Board
Arduino Mega ADK

The Arduino Mega R3 ADK is an ATmega2560-based development board with 54 digital I/O, 16 analog inputs, 4 hardware UARTs, and a USB Type-A host port (Android ADK) with a power boost converter — design

ATmega2560 @ 16MHz8 KB SRAM256 KB
~$85View

Raspberry Pi 1 Model B

Dev Board
Raspberry Pi 1 Model B

The Raspberry Pi 1 Model B is the original production Raspberry Pi single-board computer, featuring a Broadcom BCM2835 ARM1176JZF-S at 700MHz, 512MB RAM, 100Mbps Ethernet, 2 USB 2.0 ports, HDMI, 26-pi

BCM2835 ARM1176JZF-S @ 700MHz512 MB SDRAMnone (boots from SD card)Ethernet 100Mbps (LAN9512, via USB hub chip)
~$35View

Adafruit Trinket M0

Dev Board
Adafruit Trinket M0

Ultra-compact ATSAMD21E18 ARM Cortex-M0+ board at 48 MHz with 256KB flash, 32KB RAM, 5 GPIO pins, built-in RGB DotStar LED, capacitive touch, native USB, and CircuitPython support. Weighs just 1.4g in

ATSAMD21E18 ARM Cortex-M0+ @ 48 MHz32KB SRAM256KB

Heltec HT-M7603 Indoor LoRa Gateway

Lorawan Gateway
Heltec HT-M7603 Indoor LoRa Gateway

Cost-effective 8-channel indoor LoRaWAN gateway based on MT7628 + SX1303/SX1250, supporting WiFi and Ethernet uplink with web-based configuration for TTN, ChirpStack, and custom MQTT servers.

MIPS 24KEc single-core @ 580MHz, HW crypto (AES-128/256)64MB DDR216MB SPI NORWiFi 802.11 b/g/n 2.4GHzEthernet 10/100 Mbps
~$89View

Heltec HT-M2802 Indoor LoRa Gateway

Heltec HT-M2802 Indoor LoRa Gateway

Indoor edge computing LoRaWAN gateway with Rockchip RK3566 quad-core Cortex-A55 processor, SX1303+SX1250 8-channel LoRa radio, 2GB DDR4, 32GB eMMC, Gigabit Ethernet, dual-band WiFi, Bluetooth 4.0, and

ARM Cortex-A55 quad-core @ 1.8GHz, Mali-G52 GPU, 1 TOPS NPU2GB DDR432GB eMMC 5.1WiFi 802.11 b/g/n 2.4GHz/5GHzBLE BT 4.0 (HS), BLEEthernet Gigabit (10/100/1000M)
~$199View

Heltec HT-M02 Edge LoRa Gateway (V2)

Lorawan Gateway
Heltec HT-M02 Edge LoRa Gateway (V2)

IP66 waterproof edge computing LoRaWAN gateway with Rockchip RK3566 quad-core Cortex-A55 SoC, SX1303+SX1250 8-channel LoRa concentrator, 2GB DDR4, 32GB eMMC, pre-installed Debian Linux with Docker, an

ARM Cortex-A55 quad-core @ 1.8GHz, 64-bit ARMv8-A, NEON SIMD, VFPv4 FPU, Crypto Extensions, 0.8 TOPS NPU2GB DDR432GB eMMC 5.1WiFi 802.11 b/g/n (optional)Ethernet Gigabit
~$229View

Heltec HT-H7608 V2

Router Gateway
Heltec HT-H7608 V2

WiFi HaLow (802.11ah) router and IoT gateway with 2.4GHz dual-band, up to 1km+ range, mesh networking, Ethernet, and OpenWrt-compatible MT7628 SoC.

MIPS 24KEc single-core @ 580MHz, AES128256 HW crypto128MB DDR232MB SPIWiFi 802.11ah (WiFi HaLow) + 802.11b/g/n (2.4GHz)Ethernet 10/100 Mbps (RJ45)
~$79View

BigTreeTech SKR Pro V1.1

3D Printer Control Board
BigTreeTech SKR Pro V1.1

32-bit 3D printer control board powered by STM32F407ZGT6 @ 168MHz. Supports 6 stepper drivers, triple extruder, dual Z, 12–24V input. Compatible with Marlin and Klipper firmware.

STM32F407ZGT6192KB1MB
~$30View

BigTreeTech SKR V1.4 Turbo

3D Printer Control Board
BigTreeTech SKR V1.4 Turbo

32-bit 3D printer control board with LPC1769 @ 120MHz. Supports 5 stepper driver sockets, dual Z, 12–24V, TMC2209 UART. Popular Marlin and Klipper compatible upgrade board.

LPC176964KB512KB
~$23View

BigTreeTech SKR Mini E3 V1.2

3D Printer Control Board
BigTreeTech SKR Mini E3 V1.2

Ultra-quiet 32-bit 3D printer board with 4 integrated TMC2209 UART stepper drivers. STM32F103RCT6 @ 72MHz. Direct drop-in replacement for Ender 3. Supports Marlin and Klipper.

STM32F103RCT648KB256KB
~$39View

BigTreeTech Octopus Pro V1.1

3D Printer Control Board
BigTreeTech Octopus Pro V1.1

High-voltage 3D printer control board with STM32H723ZE MCU, 8 stepper driver slots supporting up to 60V motor power, CAN bus, PT100/PT1000 support, and Marlin/Klipper/RRF firmware.

STM32H723ZET6564KB1MB
~$50View

BigTreeTech Octopus Max EZ V1.0

3D Printer Control Board
BigTreeTech Octopus Max EZ V1.0

High-end 32-bit 3D printer control board with STM32H723ZET6 MCU at 550MHz, 10 EZ-socket stepper driver slots, CAN bus, eFuse protection, and Marlin/Klipper firmware support.

STM32H723ZET6564KB1MB
~$75View

BigTreeTech SKR Mini E3 V2.0

3D Printer Control Board
BigTreeTech SKR Mini E3 V2.0

Improved 32-bit control board with 4 integrated TMC2209 UART drivers, dual Z ports, and STM32F103RCT6 @ 72MHz. Drop-in upgrade for Ender 3, CR-10S, Ender 5. Marlin and Klipper ready.

STM32F103RCT648KB256KB
~$28View

BigTreeTech SKR Mini E3 V3.0

3D Printer Control Board
BigTreeTech SKR Mini E3 V3.0

Latest 32-bit SKR Mini E3 with STM32G0B1RET6 @ 64MHz, 4 integrated TMC2209 UART drivers, USB-C, and CAN bus support. Compact Ender 3 drop-in upgrade. Marlin and Klipper compatible.

STM32G0B1RET6144KB512KB
~$26View

BigTreeTech BTT Pi V1.2

Single Board Computer
BigTreeTech BTT Pi V1.2

Single board computer by BigTreeTech with Allwinner H616 quad-core Cortex-A53, 1GB DDR3L RAM, WiFi, 100Mbps Ethernet, and 40-pin GPIO. Drop-in Raspberry Pi CM4 alternative for Klipper 3D printing.

Allwinner H616 Quad-core Cortex-A53 @ 1.5GHz1GB DDR3LNone (microSD)40-pin GPIOWiFiEthernet

BigTreeTech Manta M8P V1.1

3D Printer Control Board
BigTreeTech Manta M8P V1.1

8-axis Klipper-native 3D printer control board with STM32G0B1VET6 MCU, BTB connector for CM4/CB1, CAN bus, eFuse protection, Ethernet, and selectable CNC fan voltage.

STM32G0B1VET6144KB512KBEthernet 100M (CB1), 1000M (CM4)
~$62View

BigTreeTech SKR Pico V1.0

3D Printer Control Board
BigTreeTech SKR Pico V1.0

Compact 32-bit 3D printer control board powered by RP2040 @ 133MHz. Designed for Voron 0.1 and small printers. 4 TMC2209 sockets, USB-C, 12–24V input. Klipper and Marlin compatible.

RP2040264KB2MB (external)
~$15View

BigTreeTech CB2

Single Board Computer
BigTreeTech CB2

Compute module by BigTreeTech powered by Rockchip RK3566 quad-core Cortex-A55 at 1.8GHz, 2GB/4GB LPDDR4, 32GB eMMC, Gigabit Ethernet, WiFi 5 (802.11ac), and Bluetooth 5.2. CM4-form-factor.

Rockchip RK3566 Quad-core Cortex-A55 @ 1.8GHz2GB LPDDR432GB eMMC40-pin GPIOWiFiBLEEthernet

BigTreeTech SKR 3

3D Printer Control Board
BigTreeTech SKR 3

High-performance 32-bit 3D printer board with STM32H743VI @ 480MHz, 5 driver slots, CAN bus, FDCAN, WiFi module support, 12–24V, 10A bed output. Marlin, Klipper, and RepRapFirmware compatible.

STM32H743VI1MB2MBWiFi optional (ESP module)
~$40View

BigTreeTech Octopus V1.1

3D Printer Control Board
BigTreeTech Octopus V1.1

32-bit 3D printer control board with STM32F446ZET6 MCU, 8 stepper driver slots (9 outputs), CAN bus via RJ11, USB-C, WiFi header, and support for Marlin and Klipper firmware.

STM32F446ZET6128KB512KB
~$43View

BigTreeTech SKR 3 EZ

3D Printer Control Board
BigTreeTech SKR 3 EZ

Advanced 32-bit 3D printer board with STM32H743VI @ 480MHz and EZ driver system (tool-free). 5 EZ driver slots, CAN/FDCAN, WiFi module support, 10A bed, 12–24V. Marlin, Klipper, RRF ready.

STM32H743VI1MB2MBWiFi optional (ESP module)
~$45View

BigTreeTech PAD 7

Single Board Computer
BigTreeTech PAD 7

7-inch all-in-one 3D printer control panel with 1024x600 IPS touchscreen, pre-installed CB1 core board running Klipper, Ethernet, WiFi, 3x USB 2.0, CAN bus, and built-in speaker.

Allwinner H616 Quad-core Cortex-A53 @ 1.5GHz (CB1)1GB DDR3LNone (32GB microSD included)40-pin (via CB1) GPIOWiFiEthernet

BigTreeTech TFT35 V3.0

Display
BigTreeTech TFT35 V3.0

3.5-inch dual-mode 3D printer display with STM32 processor supporting both touchscreen TFT mode and classic 12864 LCD mode. Compatible with Marlin and most BIGTREETECH control boards.

STM32F207VCT6 ARM Cortex-M3 @ 120MHz256KB SRAM256KB Flash

BigTreeTech Manta M4P V1.0

3D Printer Control Board
BigTreeTech Manta M4P V1.0

Klipper-native 3D printer control board with STM32G0B0RE MCU and BTB connector for Raspberry Pi CM4 or BTT CB1, 4 stepper driver slots, Ethernet, USB-C, and CAN bus support.

STM32G0B0RE36KB512KBEthernet 100M (CB1), 1000M (CM4)
~$40View

BigTreeTech Manta E3EZ V1.0

3D Printer Control Board
BigTreeTech Manta E3EZ V1.0

Klipper-ready 3D printer control board for Ender 3/5 with STM32G0B1 MCU, BTB connector for CM4/CB1, 5 EZ stepper slots, CAN bus, and direct Ender 3 compatibility.

STM32G0B1144KB512KB
~$45View

BigTreeTech SKRat V1.0

3D Printer Control Board
BigTreeTech SKRat V1.0

Compact 32-bit 3D printer control board with STM32G0B1VET6 MCU, 5 stepper driver slots, CAN-FD bus, USB-C, and support for both Marlin and Klipper firmware.

STM32G0B1VET6144KB512KB
~$39View

BigTreeTech HDMI5 V1.0

Display
BigTreeTech HDMI5 V1.0

5-inch 800x480 IPS HDMI capacitive touchscreen display. Compatible with Raspberry Pi, BTT SBCs, and any HDMI source. USB-C data port, 3.5mm audio jack, 5-point touch, auto-driver on PC.

N/A (HDMI display)NoNo
~$40View

BigTreeTech HDMI7 V1.0

Display
BigTreeTech HDMI7 V1.0

7-inch 1024x600 IPS HDMI capacitive touchscreen display. Universal compatibility with Raspberry Pi, BTT SBCs, and any HDMI source. USB-C touch, 3.5mm audio output, 5-point touch, 160° viewing angle.

N/A (HDMI display)NoNo

BigTreeTech EBB 36/42 CAN Bus Toolhead Board

Toolhead Board
BigTreeTech EBB 36/42 CAN Bus Toolhead Board

CAN bus toolhead board for 36/42mm stepper extruders. Features STM32G0B1 MCU, onboard TMC2209, ADXL345 accelerometer, PT100/PT1000 support, and USB/CAN connectivity for Klipper 3D printers.

STM32G0B1CBT6144KB128KB
~$18View

BigTreeTech Panda Touch

Display
BigTreeTech Panda Touch

5-inch 800x480 IPS WiFi touchscreen for Bambu Lab X1, P1, and A1 series 3D printers. ESP32-S3 based, 16MB flash, 8MB PSRAM, built-in battery for portable use, supports up to 4 printers simultaneously.

ESP32-S3R8 Xtensa 32-bit LX7 dual-core @ 240MHz8MB PSRAM16MBWiFi

BigTreeTech EBB SB2209 CAN Toolhead Board (RP2040)

Toolhead Board
BigTreeTech EBB SB2209 CAN Toolhead Board (RP2040)

Toolhead board designed for the Voron StealthBurner. Powered by RP2040, supports CAN and USB, includes TMC2209, ADXL345 accelerometer, and PT100/PT1000 for Klipper 3D printers.

RP2040264KB2MB
~$26View

BigTreeTech K-Touch

Display
BigTreeTech K-Touch

5-inch 800x480 IPS WiFi touchscreen controller for Klipper printers. ESP32-S3 based, 16MB flash, 8MB PSRAM, built-in battery for 30 minutes portable use, supports up to 50 Klipper printers.

ESP32-S3R8 Xtensa 32-bit LX7 dual-core @ 240MHz8MB PSRAM16MBWiFi

BigTreeTech MMB CAN V2.0 Multi-Material Control Board

Expansion Board
BigTreeTech MMB CAN V2.0 Multi-Material Control Board

CAN bus control board for the Enraged Rabbit Carrot Feeder (ERCF) multi-material system. Features STM32G0B1 MCU, 4 EZ stepper driver slots, USB/CAN connectivity, and full Klipper support.

STM32G0B1CBT6144KB128KB
~$33View

BigTreeTech KNOMI 2

Display
BigTreeTech KNOMI 2

1.28-inch round 240x240 LCD display for Voron StealthBurner toolhead. ESP32 MCU with WiFi and Bluetooth LE, shows print status, temperatures, and progress with customizable animated UI.

ESP32 dual-core Xtensa LX6 @ 240MHz8MB PSRAM16MBWiFiBLE

BigTreeTech Eddy Eddy Current Inductive Probe

Expansion Board
BigTreeTech Eddy Eddy Current Inductive Probe

Eddy current inductive bed leveling probe for Klipper 3D printers. Offers 0.5μm precision, rapid bed mesh scanning, temperature compensation (USB), and works as Z-endstop. Mounts on standard Voron X c

RP2040264KB2MB
~$25View

BigTreeTech SKSM V1.0 Supercapacitor Power Module

Expansion Board
BigTreeTech SKSM V1.0 Supercapacitor Power Module

Supercapacitor-based power loss recovery module for Klipper 3D printers. Provides ~13 seconds of 5W backup power via dual 2.7V 20F supercaps, enabling safe shutdown on power failure.

STM32 power management MCU20KB64KB
~$19View

BigTreeTech HBB Handheld Button Board

Expansion Board
BigTreeTech HBB Handheld Button Board

RP2040-based handheld button board with 7 mechanical switches and RGB NeoPixel LEDs for manual control of Klipper 3D printers. Triggers homing, heating, motor disable and other macros via USB.

RP2040264KB2MB
~$18View

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