Main Raspberry Pi Pico socket interface; plug in a Pico and access each Pico pin through an extra row of sockets.
3V supply on the right-angle JST-SH STEMMA QT/Qwiic connector.
Ground on the right-angle JST-SH STEMMA QT/Qwiic connector.
I2C data on the STEMMA QT/Qwiic connector, mapped by Adafruit to Pico IO4.
The Raspberry Pi MCU line — Pico, Pico 2, and third-party boards on the same silicon — plus a deep bench of Pico-pinout displays, loggers, and radio modules that do nothing without a Pico plugged in.
10 I/Os PLC Module - CPU Arduino Nano (Optoisolated Output) visual preview
10 I/Os Relay Module - CPU Arduino Nano (Relay Output) visual preview
Adafruit METRO 328 - Arduino Compatible - with Headers visual preview
Adafruit Metro Mini 328 V2 - Arduino-Compatible - 5V 16MHz [STEMMA QT / Qwiic] visual previewAbout 75 boards across every Arduino generation: 5V Uno/Mega/GIGA, 3.3V MKR and Portenta, plus DFRduino and Bluno compatibles. Confirm the voltage rail before stacking any shield.
Boards · Arduino boards · 76 parts
10 I/Os Relay Module - CPU ESP32 (Relay Output) visual preview
Adafruit ESP32 Feather V2 w.FL Antenna - 8MB Flash + 2MB PSRAM visual preview
Adafruit ESP32-C6 Feather - STEMMA QT visual preview
Adafruit ESP32-S2 Feather - 4MB Flash + 2MB PSRAM visual previewWi-Fi and Bluetooth on a single chip, in every shape from Espressif DevKitC to Adafruit Feathers with STEMMA QT, DFRobot FireBeetles tuned for battery life, and Seeed XIAOs under a thumbnail.
Boards · ESP32 boards · 111 parts
15x7 CharliePlex LED Matrix FeatherWing - Cool White visual preview
15x7 CharliePlex LED Matrix FeatherWing - Warm White visual preview
16-Ch High Current Driver Shield Kit v2 visual preview
19V 90W AC/DC Adapter for LattePanda Mu Full-Function EVA Carrier Board visual previewAbout 270 add-ons across Pi HATs, Arduino shields, and FeatherWings. The same function — motor control, PoE, display — usually ships once per host connector family. Get the host board right first.
Boards · HATs, Shields & add-ons · 272 parts
:MOVE mini MK2 buggy kit visual preview
:VIEW text32 LCD Screen for the BBC micro:bit visual preview
16-Ch Servo Driver Breakout for micro:bit, I2C visual preview
2x40 Right Angle Edge Connector for micro:bit visual previewSpecialists: Teensy for high-clock audio and USB, Adafruit SAMD boards running CircuitPython or the Arduino IDE, proper STM32 eval kits, and the micro:bit classroom ecosystem. Schematik builds target ESP32, Arduino Uno, and Pico; come here when you have a specific reason to.
Boards · Other MCU boards · 226 parts
I2C clock on the STEMMA QT/Qwiic connector, mapped by Adafruit to Pico IO5.
Extra set of four breakout holes next to the JST-SH connector for additional I2C connections or reassignment.
Right-angle reset button that sticks out from the end of the board.
Long strip of connected holes for 3.3V power.
Ground pads and long ground strip identified by Adafruit near the reset button.
Three hole-connected strips in the centre area, intended as a mini solderless proto area with cuttable traces.
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| 2x20 Pico socket headers | dual 2x20 slim socket headers | board connector | Main Raspberry Pi Pico socket interface; plug in a Pico and access each Pico pin through an extra row of sockets. | |
| STEMMA QT / Qwiic 3V | JST-SH connector | power | 3V supply on the right-angle JST-SH STEMMA QT/Qwiic connector. | 3V |
| STEMMA QT / Qwiic GND | JST-SH connector | ground | Ground on the right-angle JST-SH STEMMA QT/Qwiic connector. | 0V reference |
| STEMMA QT / Qwiic SDA / IO4 | JST-SH connector | i2c | I2C data on the STEMMA QT/Qwiic connector, mapped by Adafruit to Pico IO4. | |
| STEMMA QT / Qwiic SCL / IO5 | JST-SH connector | i2c | I2C clock on the STEMMA QT/Qwiic connector, mapped by Adafruit to Pico IO5. | |
| I2C breakout holes | beside JST-SH connector | board connector | Extra set of four breakout holes next to the JST-SH connector for additional I2C connections or reassignment. | |
| Reset | board edge | control | Right-angle reset button that sticks out from the end of the board. | |
| 3.3V strip | proto area | power | Long strip of connected holes for 3.3V power. | 3.3V |
| GND strip | near reset button | ground | Ground pads and long ground strip identified by Adafruit near the reset button. | 0V reference |
| Proto strips | centre proto area | prototyping | Three hole-connected strips in the centre area, intended as a mini solderless proto area with cuttable traces. |