LILYGO T-Echo Plus

Dev Board
LILYGO T-Echo Plus

Enhanced T-Echo with nRF52840, SX1262 LoRa, L76K GPS, BHI260AP IMU, 2400mAh battery, 1.54-inch e-paper display, vibration motor, buzzer, and 1/4-inch mount — Meshtastic-ready with extended runtime.

nRF52840 ARM Cortex-M4F @ 64MHz2MB2MBBLE BLE 5.0Zigbee Zigbee (nRF52840)
~$63View

Holybro Pixhawk 6C

Flight Controller
Holybro Pixhawk 6C

Open-source flight controller based on the Pixhawk FMUv6C standard. Features STM32H743 processor, dual redundant IMUs, barometer, and magnetometer. Runs ArduPilot or PX4 autopilot firmware.

STM32H7431MB2MB
~$141View

Micro Journal Rev.3: Nadia

Keyboard Pcb
Micro Journal Rev.3: Nadia

A 48-key ortholinear mechanical keyboard designed as a distraction-free writing companion for phones and tablets, powered by RP2040 with QMK/Vial firmware and dual rotary encoders.

RP2040264KB2MB18 GPIO
~$99View

Holybro Pixhawk 4

Flight Controller
Holybro Pixhawk 4

Open-source flight controller based on the Pixhawk FMUv5 standard. Features STM32F765 processor at 216MHz, triple redundant IMUs, barometer, and magnetometer. Runs ArduPilot or PX4 autopilot firmware.

STM32F765512KB SRAM2MB
~$125View

DFRobot Beetle RP2040

DFRobot Beetle RP2040

Compact RP2040 dual-core ARM Cortex-M0+ development board with USB-C, 8 GPIO pins, and beginner-friendly immersion gold pads in a 27x20mm form factor.

ARM Cortex-M0+ dual-core @ 133MHz264KB SRAM2MB

DFRobot Beetle RP2350

DFRobot Beetle RP2350

Ultra-affordable RP2350 dual-architecture development board with switchable ARM Cortex-M33 / RISC-V cores, LiPo charging, 11 GPIO pins, and USB-C in a 25x20.5mm package.

RP2350 Dual-core ARM Cortex-M33 / RISC-V Hazard3 @ 150MHz520KB SRAM2MB

Waveshare RP2040-LoRa

Waveshare RP2040-LoRa

A compact RP2040-based LoRa module with SX1262 transceiver, available in 410-525MHz (LF) and 850-930MHz (HF) variants, featuring 2MB flash, 20 GPIO pins, IPEX antenna connector, and castellated edge d

ARM Cortex-M0+ dual-core @ 133MHz264KB SRAM2MB
~$13View

Waveshare RP2040-BLE

Waveshare RP2040-BLE

A compact RP2040-based module with Bluetooth 5.1 dual-mode (BLE + Classic SPP) connectivity, 2MB flash, 14 GPIO pins, ceramic antenna, and castellated edge design for embedded Bluetooth applications.

ARM Cortex-M0+ dual-core @ 133MHz264KB SRAM2MBBLE Bluetooth 5.1 (BLE + Classic SPP)

Arduino GIGA R1 WiFi

Dev Board
Arduino GIGA R1 WiFi

Arduino's most powerful board — dual-core STM32H747XI with Cortex-M7 at 480MHz + Cortex-M4 at 240MHz, 2MB flash, 1MB RAM, WiFi, Bluetooth, 76 GPIO, USB-A + USB-C, 3.5mm audio jack, camera connector, a

ARM Cortex-M7 @ 480MHzCortex-M4 @ 240MHz, FPU, DSP1MB SRAM2MBWiFi 802.11 b/g/nBLE Bluetooth 4.2, BLE
~$53View

Arduino Portenta C33

Compute Module
Arduino Portenta C33

Cost-effective Portenta module with Renesas RA6M5 ARM Cortex-M33 at 200MHz, 2MB flash, 512KB SRAM, WiFi/BLE, hardware security, and Portenta/MKR compatibility — bringing industrial IoT capabilities at

ARM Cortex-M33 @ 200MHz, FPU, TrustZone512KB SRAM2MBWiFi 802.11 b/g/nBLE BLE 5.0
~$50View

Arduino Nicla Vision

module
Arduino Nicla Vision

Tiny 22.86mm AI vision module with STM32H747 dual-core Cortex-M7/M4, 2MP camera, WiFi/BLE, 6-axis IMU, microphone, and time-of-flight sensor — runs TinyML image recognition and OpenMV/MicroPython at t

ARM Cortex-M7 @ 480MHzCortex-M4 @ 240MHz1MB SRAM2MBWiFi 802.11 b/g/nBLE BLE 4.2
~$65View

Arduino Opta WiFi

Industrial Controller
Arduino Opta WiFi

Industrial micro PLC with STM32H747 dual-core Cortex-M7/M4, WiFi, BLE, Ethernet, 4\u00d72.3kW relays, Modbus TCP/RTU, hardware security, DIN rail mount, and IEC 61131-3 PLC programming — co-developed

ARM Cortex-M7 @ 480MHzCortex-M4 @ 240MHz1MB SRAM2MBWiFi 802.11 b/g/nBLE BLEEthernet 10/100 Mbps
~$168View

Arduino Opta Lite

Industrial Controller
Arduino Opta Lite

Entry-level industrial micro PLC with STM32H747 dual-core Cortex-M7/M4, Ethernet, 4\u00d72.3kW relays, Modbus TCP, hardware security, DIN rail mount, and IEC 61131-3 PLC programming — the affordable p

ARM Cortex-M7 @ 480MHzCortex-M4 @ 240MHz1MB SRAM2MBEthernet 10/100 Mbps
~$127View

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 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 ADXL345 V2.0 Accelerometer Board

Sensor Module
BigTreeTech ADXL345 V2.0 Accelerometer Board

RP2040-based ADXL345 accelerometer board for Klipper input shaping and resonance compensation on 3D printers. Connects via USB Type-C with ESD protection. Board size: 33.25 × 15.5mm.

RP2040264KB2MB
~$10View

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 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 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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