Create a circuit diagram for controlling the motor speed

rokunski / SafeIdea_Rover

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Create a circuit diagram for controlling the motor speed #7

Closed rokunski closed 5 years ago

rokunski commented 5 years ago

Commit: f70efeb2da2f54916b6d6d2eb71996beb7128b3d

This is the version with optocoupler included. The diagram can be opened with Micro Cap application. schemat

rokunski commented 5 years ago

The problem with optocouplers is that the recommended forward current is about 20-50mA. The 3.3V GPIO can only withstand 16mA. So, we have to use the 5V GPIO to power the system. schemat2

Commit: a8ea32e3426165748379263dcd76b4f9071a8cc1

rokunski commented 5 years ago

PCB ordered