ESP32-S3 Wireless Audio Player Tutorial | ESP-NOW Control of DY-HV20T MP3 Module
Build a wireless audio player with the ESP32-S3 and DY-HV20T MP3 module using ESP-NOW — no Wi-Fi or Bluetooth required!
This DIY ESP32 project shows both remote ESP-NOW control and local playback, including how to play one track at a time with simple button inputs.
See how to connect the ESP32-S3, send UART commands to the DY-HV20T sound module, and add a volume knob for full control of your ESP32 wireless MP3 player.
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Chapter:
0:00 intro
0:26 items used in this video
0:51 helpfull things to know about mp3 player board
1:14 mp3 player board speaker
1:49 mp3 player UART mode
1:55 one button - local control
2:22 one button - local control code
2:46 three button - local control
3:15 three button - local control code
3:20 three button - local control diagram
3:22 MAC address code
3:56 One button transmitter
4:14 One button transmitter code
4:47 One button receiver
5:07 One button receiver diagram
5:10 one button receiver code
5:26 one button ESP-now demo
5:41 three button transmitter
5:49 three button transmitter diagram
5:52 three button transmitter code
6:10 three button receiver diagram
6:22 three button receiver code
6:43 three button ESP-now demo