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, 1:11pm 2

The number 9 will never equal the number zero.

You forgot to read pin 9