Adafruit QT Py - SAMD21 Dev Board with STEMMA QT
Pinout
- 3V
Regulated 3.3 V output from the onboard regulator; Adafruit Learn says it can supply about 500 mA.
Type · powerVoltage · 3.3V regulated output - 5V
5 V from the USB port; can be used as a voltage input only with a diode as described by Adafruit Learn.
Type · powerVoltage · 5V USB rail - GND
Power, data, and signal ground.
Type · groundVoltage · 0V - A0 / D0
Digital/analogue GPIO 0; true 10-bit analogue output and capacitive touch input; no PWM.
Type · gpioVoltage · 3.3V logic - A1 / D1
Digital/analogue GPIO 1; capacitive touch input or AREF pin.
Type · gpioVoltage · 3.3V logic
Start wiring
USB · 3.3 V
Confirm the data interface matches your host board.
Module pins: 3V, 5V, GND, A0 / D0, A1 / D1, A2 / D2, A3 / D3, SDA / D4. Schematik maps them to your board in the app.
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225 other optionsSpecialists: 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.
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