Hello, I have a problem with the HM-10 BLE 4.0 bluetooth module. I have a 4wd Arduino Uno kit with L293D motor shield. I connected the Bluetooth module first to the pins where the servo was located, then switched to RX and TX on A4 and A5. The indicator light on the module is flashing. I tried to co…

Trouble with HM-10

Projects Networking, Protocols, and Devices

Nick_Pyner March 19, 2024, 11:46pm 4

This is utterly meaningless. You will get that result with the Bluetooth disconnected and in your pocket. Check your connections are Rx to Tx and Tx to Rx.

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Trouble with HM-10

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