DevDuino Sensor Node V1.3 (ATmega 328) - CR2032 Battery Holder
Compact Arduino-compatible wireless sensor node built around the ATmega 328 with an nRF24L01 socket for 2.4 GHz mesh networking. Powered by a CR2032 coin cell; Grove-compatible connector for sensor expansion.
Start wiring
USB · 3.3 V
Verify supply voltage and logic levels before powering up.
Other MCUs
228 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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