Circuit Playground Classic

Circuit Playground Classic — Adafruit — 3000

ATmega32u4-based learning board (3.3 V, 8 MHz) with 10 NeoPixels, accelerometer, thermistor, light sensor, MEMS microphone, buzzer, 2 buttons, and 8 alligator-clip I/O pads with capacitive touch. Powered via micro-USB or JST-PH LiPoly/AAA pack.

Start wiring

USB · 3.3 V

Verify supply voltage and logic levels before powering up.

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Specialists: 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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