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First: The connection between the 5V pin of the L298N and Arduino Vin is not correct here. The L298N 5V pin is an output. You could use it to power the Arduino. But then you would have to connect it to the 5V pin of the Arduino. Vin is connected to the linear voltage regulator. You need about 7V here to get the Arduino running reliably, because the regulator ...


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