The core of the watch is an Arduino Mini. To make it good for time telling, a real-time clock module was added. A DHT11 monitors the temperature and humidity. A charge circuit and lithium battery ...

The mini PC combines the best of its predecessors in a compact PC-on-a-board with four times the power of a Raspberry Pi with all the functions of an Arduino Due microcontroller. The tinkerers of ...

The main change – the control electronics were replaced by an Arduino Pro Mini (16Mhz model). He soldered all the modules on a prototyping board and, although admittedly a bit heavy, the little ...