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Arduino - Obstacle Avoiding Robot (with L293D)
I also have the same question as mounting a 9v battery would be much easier, but in this instructable, 4 AA batteries are used which gives 1.5x4=6v only. So if you connect a 9v battery won't it overpower the circuit? I am equally not sure, someone please help. Can a 9v battery be used instead of 4 AA batteries?
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