Seeeduino V2.21 (ATmega168P)
Arduino Diecimila-compatible board using ATmega168P in SMD packaging. Pin-layout, screw holes, and dimensions match Diecimila; fully compatible with existing shields and sketches.
Start wiring
USB · 3.3 V
Other MCUs
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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