An Arduino Nano or a Micro might be the best options If a small board sounds like the most appropriate choice.

Now, everything’s set up, so click the right-facing arrow near the top-left corner of the Arduino IDE window to upload the program to the board.

Arduino has announced a new line of Nano boards that will begin shipping next month. From the design, to the chips and features on the board, to the price, there’s a lot that is new here. I s… ...

Arduino Maker Nano RP2040 “Slightly shorter than a Pico, this board has 30 pre-soldered pins, all helpfully labelled on the silkscreen.