An Arduino Nano or a Micro might be the best options If a small board sounds like the most appropriate choice. ... One of its drawbacks is its considerably big size at 68.6 x 53.4 mm.

The aptly named “Nano DIP,” which at 33 mm x 10 mm — about the same size as the ATmega328 on the Arduino Uno — will tickle the miniaturization fans out there.

Features and Benefits. The Arduino Nano ESP32 presents a unique blend of features that make it the ideal microcontroller for an array of IoT applications, from home automation and gaming to education.

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.

The Nano, just as its name suggests, is the smaller board between the two, and interestingly, also the tiniest ever produced by Arduino. It comes in a light seven-gram weight, with dimensions of ...