So I'm trying to build a telepresence robot that's controlled through bluetooth. I got the bluetooth working and it receives the input but if it's only powered by batteries (9V) the motor's status LED flash when input is given but if I have the arduino connected to the pc through USB and still send …

Arduino Motor Shield LEDs only flash when using bluetooth but not through USB

Projects Networking, Protocols, and Devices

pylon May 19, 2014, 5:42pm 4

Can you specify again what your problem is? I'd interpret your description to have both setups (Bluetooth and USB) working correctly. What Arduino are you using?

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Arduino Motor Shield LEDs only flash when using bluetooth but not through USB

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