Microcontrollers & Development Boards

The Serpente boards from Arturo182 are low-cost development boards designed to be used with Adafruit’s CircuitPython. They're open source, come wit...

This 50-pin FFC / FPC Extender is very simple. It lets you connect two 50-pin 0.5mm pitch FFC (Flexible Flat Cable) / FPC (Flexible Printed Circuit...

The Seeeduino XIAO Expansion Board is a great add-on board with a little-bit-of-everything. It works wonderfully with our QT Py boards so we're sto...

Instead of being a single embedded functional module, Wio Terminal is more of a complete system equipped with Screen + Development Board + Input/Ou...

Espressif's ESP32-S2 Human Machine Interface Dev Kit 1 (ESP32-S2-HMI-DevKit-1) has been specifically designed for human-machine interfaces in smart...

The ESP8266 started a small revolution by bringing WiFi to a small and cheap package that also had enough processing power and enough pins to get s...

The ESP32-C3-DevKitC-02 is an entry-level RISC V development board equipped with the ESP32-C3-WROOM-02, a powerful, generic Wi-Fi + Bluetooth LE MC...

CircuitBrains Deluxe is the smallest solderer-able ATSAMD51 module . Skip on all the tedious work of adding a powerful Cortex M4 32-bit microcontr...

As we've been adding  STEMMA QT connectors to our breakouts and dev boards, folks have been really enjoying the simplicity and speed of plugging in...

This simple development board for the STM32H750 is a great way to add a powerful STM chip to your next project. Featuring the STM32H750VBT6, this c...

It's rare to see breadboard friendly I2C sensors, but this TO-220 package with 5 pins is, in fact, such a thing! It's a basic temperature sensor, n...

What's smaller than a Feather but larger than a Trinket? It's an Adafruit ItsyBitsy nRF52840 Express featuring the Nordic nRF52840 Bluetooth LE...

There's no place like home... and if you're like us you've spent a lot of time at home over the past year. It almost feels like a whirlwind picked ...

The Adafruit MagTag combines the new ESP32-S2 wireless module and a 2.9" grayscale E-Ink display to make a low-power IoT display that can show data...

The MicroMod Main Board is a specialized carrier board that allows you to interface a MicroMod Processor Board with up to two MicroMod Function Boa...

This board is designed to be a thin, bluetooth-enabled driver board for our Adafruit LED Glasses RGB LED matrix. That said, it's a perfectly good s...

This OLED goes out to all the fans who want more pixels in a smaller size! Normally our 128x64 OLEDs are the biggest ones we've stocked that can us...

We can’t wait for spring to arrive, and we’re looking forward to caring for some plants! We designed this little add-on for micro:bit or CLUE board...

It's half USB Key, half Adafruit Trinket, half mechanical keeb...it's NeoKey Trinkey, the circuit board with a Trinket M0 heart, a NeoPixel glow...

A new chip means a new ItsyBitsy, and the Raspberry Pi RP2040 is no exception. When we saw this chip we thought "this chip is going to be awesome w...

Ameba RTL8722DM Mini Board (AMB 23) is a devkit for a different family of WiFi/BLE-integrated chipsets from RealTek. As more chip companies come o...

Only 13mm long, Tomu really puts the micro in microprocessor. It's fully open-source development board with the silabs Gecko EFM32HG309 processo...

The thirst is real! Keep your flora (plants, not the board *wink*) happy and hydrated with the Circuit Playground Express Soil Sensor Mini Kit. Thi...

What's Feather-shaped and has an ESP32-S2 WiFi module? What has a STEMMA QT connector for I2C devices? What has your favorite Espressif WiFi mic...