When building a project to operate on battery power for long periods of time, having a microcontroller with a reliable and ...
The cheaper board won ...
If you were to point to a single device responsible for much of Hackaday’s early success, it might be the Arduino Uno. The ...
Default value for maximum measurement distance is 4m, since HC-SR04 sensor can't measure reliably beyond that. However, if you are using another sensor or if you you don't care about distances larger ...