Optiboot (an older version) is installed by default on the Arduino Uno and (as of 2018) official Arduino Nano boards. It can be installed on all older mega8, 168 or 328 based Arduinos. As of 2019, ...
Got a spare PC? How to open-source your smart home - for free ...
The circuit is subdivided into two parts, a control part and a measurement part. The measurement part consists of a 12 V power supply forwarded to four darlington arrays (ULN2003APW), which are ...