Add a DTR Pin to the dual mode Bluetooth Device so that it can also flash the microcontroller over the air.
Currently the Bluetooth Modules with HM-13 are not providing the DTR Pin that is needed to reset the microcontroller while flashing a new firmware. It would be great if that functionality could be made available on one of the programmable Output Pins.
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Stephan Noller
shared this idea
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Neha Sharma commented
Thank you to this help