Every AVR microcontroller, from the ATtiny in your thermostat to the ATMega in your Arduino, stores its configuration in a series of fuse bits. These fuse bits control settings such as the multiplier ...
The electronic circuit can be assembled by sticking the module snappy with a magnet "Little Bits (Little Bitz)", The microcomputer board"ArduinoModule has appeared. We did not need any breadboards, ...