BT SENDER: BT Media Controller Rotary Dial sending following commands via BT Vol up Vol down Play/Pause Next Previous Playlist 1 Playlist 2
BT RECEIVER: ESP32 receiving above commands and sending via Wireless LAN ( or direct connection via USB to Linux ) HTTP Get request: http.begin("http://my-ip:3001/play-pause"); //Specify the URL int httpCode = http.GET();
- and showing values from 0-100 on the 8x8 Dot Matrix display 7219 with controller
1.) AT BOOT sending fixed value and showing -30 2.) While rotating dial -> Increments CW +1 / CCW -1
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