Uploaded January 2022 | Updated September 2026, 1 week ago
How to use WebSerial with mDNS to perform the resolution of the IP address of the ESP32. With this solution, we no longer need to know the IP address of the ESP32 before hand.
For a written version of this tutorial with all the source code included, please consult my blog: techtutorialsx.com/2022/01/24/esp32-webserial-and-mdns
FireBeetle Board: dfrobot.com/product-2231.html
mDNS on the ESP32 (Video tutorial): youtube.com/watch?v=WiIpKr6Fs1g
Suggested ESP32 readings:
Websocket Server: broadcast messages: techtutorialsx.com/2021/12/06/esp32-websocket-server-broadcast-messages
Chat application on the ESP32: techtutorialsx.com/2022/01/17/esp32-chat-application-introduction
For an extensive list of ESP32 written tutorial, please check my blog: techtutorialsx.com/category/esp32
How to use WebSerial with mDNS to perform the resolution of the IP address of the ESP32. With this solution, we no longer need to know the IP address of the ESP32 before hand.
For a written version of this tutorial with all the source code included, please consult my blog: techtutorialsx.com/2022/01/24/esp32-webserial-and-mdns
FireBeetle Board: dfrobot.com/product-2231.html
mDNS on the ESP32 (Video tutorial): youtube.com/watch?v=WiIpKr6Fs1g
Suggested ESP32 readings:
Websocket Server: broadcast messages: techtutorialsx.com/2021/12/06/esp32-websocket-server-broadcast-messages
Chat application on the ESP32: techtutorialsx.com/2022/01/17/esp32-chat-application-introduction
For an extensive list of ESP32 written tutorial, please check my blog: techtutorialsx.com/category/esp32


![ESP32 - Controlling a buzzer [Demo]
Demo showing controlling a buzzer with the ESP32.
You can check a detailed written tutorial with full source code and electric diagram at my blog:
https://techtutorialsx.com/2017/07/01/esp32-arduino-controlling-a-buzzer-with-pwm/
Check more tutorials on the ESP32 and ESP8266 at my blog:
https://techtutorialsx.com/ ESP32 - Controlling a buzzer [Demo]](https://i.ytimg.com/vi/hnKIlx4Kkao/mqdefault.jpg)







