In this particular project, I contemplated a shield for Arduino Nano, which can gather weather-related information by a built-in BMP280 Temperature and Pressure Sensor, a photoresistor, and a ...

BOM is just green OLED + Nano + PCB + 40 buttons. It all seemed a bit too specific to way I build things to share the gerbers or anything. Keys didn’t take too much work.

Other features of the Maker Nano RP2040 small board which measures just 49.53mm x 21.08mm in size include support for the Arduino IDE, CircuitPython and MicroPython.