Hi, I'm using an HC 05 module to make an LED turn on and off. The issue is that the buttons on the apk do not work. I downloaded a Serial Bluetooth Terminal and the module can send data. Here is the code I am using: void setup() { Serial.begin(38400); pinMode(13, OUTPUT); } void loop() { if …

Thank you! So I didn't really figure out what was wrong with what I had but I saw that some people set pins 3 and 4 to be their RX and TX and that worked for me.

My HC 05 module does not receive data

MIT App Inventor Help

SteveJG April 22, 2023, 3:11pm 2

This might be helpful

also this might help https://www.youtube.com/watch?v=w5LgLsCumFI

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