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

jremington March 19, 2024, 6:01pm 2

Please use code tags when posting code.

The HM-10 is 3.3V only and cannot be directly connected to OUTPUT pins on a 5V Arduino.

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