This solar tracker system uses the Arduino UNO board, a servomotor, 2 LDRs and 2 resistors to rotate the solar panel towards the Sun or a source of light. Here https ...

there is a way to get the drive gear to move in reverse, but it isn’t always reliable. Of course, you could also replace the drive mechanism with something like an RC servo or other motor and it ...

His resulting purchase had two 350W brushless hub motors and all the associated circuit boards for motor ... Some experimentation led him to an Arduino library, and he was able to get some ...