hi, i have been trying alot today. before this i found a sketch online on controling relays with bluetooth switch i made some modifications and used it. i created an app from thunkable or app inventor then control it with my phone. now i'm trying to add in a push button. here's the arduino sketch.…

Bluetooth Serial Relay and push button.

system October 7, 2017, 2:19pm 6

Did you provide a continuous stream of characters on the serial line, to allow pin 9 to be read?

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