madflight FC3v2 RP2350B Flight Controller

Flight Controller
madflight FC3v2 RP2350B Flight Controller

Open-source flight controller board with RP2350B MCU, 10-DOF sensor suite (gyro, accelerometer, barometer, magnetometer), INA226 battery monitor, microSD with 4-bit SDIO, and DC-DC converter. 50.7x41.

RP2350B dual-core ARM Cortex-M33 @ 150MHz520KB SRAM16MB48 GPIOWiFi falseBLE falseZigbee falseEthernet false
~$29View

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

Prokyber AI-on-the-Edge-Cam

Dev Board
Prokyber AI-on-the-Edge-Cam

Open-source ESP32-S3 camera board with PoE, microSD, and Stemma QT designed for AI-powered utility meter reading using the AI-on-the-edge-device firmware with TensorFlow Lite inference.

ESP32-S3-N16R8512KB SRAM16MB6 GPIOWiFi 802.11 b/g/nBLE BLE 5.0Zigbee falseEthernet 10/100 Mbps PoE
~$33View

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

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

Louder ESP32

Audio Board
Louder ESP32

ESP32 audio development board with TAS5805M I2S Class-D amplifier delivering 2x23W stereo output, designed for multi-room audio, network streaming, and smart home integration.

Xtensa LX6 dual-core @ 240MHz, FPU, AES/SHA hardware crypto520KB SRAM8MBWiFi 802.11 b/g/nBLE BT 4.2 + BLEEthernet Optional W5500 SPI module
~$24View

DFRobot FireBeetle 2 M0

Dev Board
DFRobot FireBeetle 2 M0

Compact, low-power ARM Cortex-M0+ development board with ATSAMD21G18 MCU, 16MB SPI flash, USB-C, WS2812 RGB LED, and FPC display connector, ideal for IoT and low-power applications.

ARM Cortex-M0+ @ 48MHz, single-core32KB SRAM256KB + 16MB SPI Flash

DFRobot FireBeetle 2 ESP32-E

Dev Board
DFRobot FireBeetle 2 ESP32-E

Compact ESP32-E IoT microcontroller with WiFi 802.11 b/g/n, Bluetooth 4.2, 18 digital I/O, 11 analog inputs, 7 touch pins, 2 DACs, onboard WS2812 RGB LED, GDI display interface, and lithium battery ch

Xtensa LX6 dual-core @ 240MHz, FPU, HW crypto (AES/SHA/RSA)520KB SRAM4MBWiFi 802.11 b/g/nBLE BLE 4.2

Waveshare RP2350-One

Dev Board
Waveshare RP2350-One

Ultra-compact USB-A plug-and-play development board with the Raspberry Pi RP2350A dual-architecture MCU, 4MB flash, WS2812 RGB LED, castellated module design, and 29 GPIO pins in a tiny 18 x 25.5mm fo

ARM Cortex-M33 / RISC-V Hazard3 dual-core @ 150MHz, FPU, DSP, TrustZone, 12 PIO state machines520KB SRAM4MB

Waveshare ESP32-H2-Zero

Dev Board
Waveshare ESP32-H2-Zero

Ultra-compact castellated ESP32-H2 development board with BLE 5.2, Zigbee 3.0, Thread 1.3, and Matter support. USB-C powered with WS2812 RGB LED, 15 GPIO pins, and 4MB flash in a tiny 23.5 x 15.2mm fo

RISC-V RV32IMC single-core @ 96MHz, HW crypto (AES/SHA/RSA/ECC/HMAC)320KB SRAM4MB15 GPIOBLE BLE 5.2Zigbee Zigbee 3.0

Waveshare RP2350-ETH-8DI-8RO

Industrial Controller
Waveshare RP2350-ETH-8DI-8RO

Industrial DIN-rail RP2350B controller with 8-channel relay outputs (10A/250VAC), 8 optocoupler-isolated digital inputs, W5500 Ethernet (optional PoE), isolated RS485, RTC, microSD, and 7-36V wide-vol

ARM Cortex-M33 / RISC-V Hazard3 dual-core @ 150MHz, FPU, DSP, TrustZone, 12 PIO state machines520KB SRAM16MBEthernet 10/100 Mbps (W5500)
~$42View

Waveshare ESP32-S3-AUDIO-Board

Dev Board
Waveshare ESP32-S3-AUDIO-Board

ESP32-S3 AI smart speaker development board with dual-microphone array, ES8311 audio codec, 7 surround RGB LEDs, RTC, camera and LCD expansion interfaces, and LiPo battery support for voice assistant

Xtensa LX7 dual-core @ 240MHz, FPU, AI vector instructions512KB SRAM16MBWiFi 802.11 b/g/nBLE BLE 5.0
~$16View

Waveshare ESP32-S3-POE-ETH-8DI-8DO

Dev Board
Waveshare ESP32-S3-POE-ETH-8DI-8DO

Industrial ESP32-S3 controller with 8-channel optocoupler-isolated digital inputs (5-36V), 8-channel Darlington outputs (500mA each), PoE Ethernet (W5500), isolated RS-485 and CAN bus, RTC, and DIN ra

Xtensa LX7 dual-core @ 240MHz, FPU, AI vector instructions512KB SRAM16MBWiFi 802.11 b/g/nBLE BLE 5.0Ethernet 10/100 Mbps (W5500, PoE 802.3af)
~$43View

Waveshare RP2350-Matrix

Dev Board
Waveshare RP2350-Matrix

Compact RP2350A development board with an 8x8 WS2812 addressable RGB LED matrix, QMI8658 6-axis IMU (accelerometer + gyroscope), 16MB flash, 25 GPIO pins, HSTX interface, and USB-C for interactive LED

ARM Cortex-M33 / RISC-V Hazard3 dual-core @ 150MHz, FPU, DSP, TrustZone, 12 PIO state machines520KB SRAM16MB
~$10View

M5Stack NanoH2

Stamp Module
M5Stack NanoH2

Ultra-compact ESP32-H2 dev module with Thread 1.4, Zigbee 3.0, Matter, and BLE 5 — featuring a Grove port, IR transmitter, and RGB LED in a stamp-sized 23.5×12mm form factor.

RISC-V RV32IMAC single-core @ 96MHz, IEEE 802.15.4 radio, hardware secure boot320KB SRAM4MBBLE BLE 5Zigbee Zigbee 3.0

Espressif ESP32-C6-DevKitC-1

Dev Board
Espressif ESP32-C6-DevKitC-1

Official Espressif development board for the ESP32-C6, combining WiFi 6, BLE 5, and IEEE 802.15.4 (Thread/Zigbee/Matter) on a RISC-V single-core SoC — ideal for Matter-native IoT and smart home develo

RISC-V RV32IMAC single-core HP @ 160MHz + LP core @ 20MHz, hardware crypto (AES/SHA/RSA/ECC)512KB SRAM + 16KB LP SRAM8MB (QSPI)WiFi 802.11ax (WiFi 6, 2.4GHz)BLE BLE 5Zigbee Zigbee 3.0
~$10View

M5Stack AtomS3R

Dev Board
M5Stack AtomS3R

Ultra-compact ESP32-S3 dev board (24x24mm) with 0.85" IPS LCD, BMI270 IMU, BMM150 magnetometer, 8MB PSRAM, IR transmitter, LP5562 RGB LED driver, and Grove port for IoT and robotics.

Xtensa LX7 dual-core @ 240MHz, FPU, AI vector instructions, HW crypto512KB SRAM8MBWiFi 802.11 b/g/nBLE BLE 5.0
~$18View

M5Stack FIRE V2.7

Dev Board
M5Stack FIRE V2.7

Feature-rich ESP32 IoT dev kit with 2.0" IPS display, 8MB PSRAM, 16MB flash, MPU6886 IMU, BMM150 magnetometer, 10x SK6812 RGB LEDs, microphone, speaker, microSD, 500mAh battery, and M5GO charging base

Xtensa LX6 dual-core @ 240MHz, FPU, hardware crypto (AES/SHA/RSA)520KB SRAM16MB10 GPIOWiFi 802.11 b/g/nBLE Bluetooth 4.2, BLE
~$50View

M5Stack Station-Bat

Industrial Controller
M5Stack Station-Bat

Industrial ESP32 controller with 1.14" IPS LCD, 6 Grove ports, INA3221 power monitor, MPU6886 IMU, RTC, 7x SK6812 LEDs, dual 18650 battery holders, USB-A power output, and 16MB flash.

Xtensa LX6 dual-core @ 240MHz, FPU, hardware crypto520KB SRAM16MBWiFi 802.11 b/g/nBLE Bluetooth 4.2, BLE
~$65View

Heltec CubeCell AB01 Dev-Board (V2)

Dev Board
Heltec CubeCell AB01 Dev-Board (V2)

Ultra-low power LoRa/LoRaWAN development board based on the ASR6502 SiP (ARM Cortex-M0+ @ 48MHz + SX1262), with USB-C, solar panel support, and 3.5uA deep sleep current. Ideal for remote environmental

ARM Cortex-M0single-core @ 48MHz16KB SRAM128KB
~$14View

Arduino UNO R4 WiFi

Dev Board
Arduino UNO R4 WiFi

Arduino's flagship UNO board upgraded with Renesas RA4M1 ARM Cortex-M4F at 48MHz, ESP32-S3 WiFi/BLE 5.0, built-in 12×8 LED matrix, 12-bit DAC, CAN bus, op-amp, and Qwiic connector — all in the classic

ARM Cortex-M4F @ 48MHz, FPU, DSP32KB SRAM256KB8KB EEPROMWiFi 802.11 b/g/nBLE BLE 5.0
~$22View

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