I am interested to see if anyone can help me address a possible connection issue I am having, trying to power my Arduino R3 via a DROK 7A / 160W DC Motor Driver and a 12v rechargeable battery.
Please bear with me here, I am a complete novice.
To provide some context, I was able to successfully do this with a smaller, L298N motor driver with connections as follows:
Red Wire from the battery, connected to the 12v side of the motor driver, Black wire from the battery connected to ground of the motor driver, with another male-male connection from the ground of the motor driver, to the GND pin of the Arduino. Then, another male-male from the 5v connection of the motor driver, to Vin pin of the Arduino board.
Please see below, I am attempting to make the same connection with this DROK 7A motor driver, but am running into issues powering the Arduino board. The only difference with this motor driver is that the 5v connection is next to the ENA and IN1-IN4 pins
I've also attached the specs of the DROK Motor driver.
Then, another male-male from the 5v connection of the motor driver, to Vin pin of the Arduino board.
Not enough information to be sure but if the 5V connection on the motor driver is a 5V output and you are using it to power the Arduino then connect it to the 5V pin.
However, to be sure I would need at least a readable copy of the motor driver data sheet.
The example shows the 5V pin (13) connected to the 5V pin on the Arduin0, not Vin. Also, the description of this pin shows it is the 5V power for the logic, so needs to be connected to some form of power supply, which the 5V pin on the Arduino can provide.
Yes thank you so much for the clarification - this works now, I did not realize the motor driver only supplies power to the logic. I hooked up my Arduino to a separate power supply and everything is running fine!
