# ESP32-MQTT-WOL

> ESP32-based Wake-on-LAN trigger over MQTT. Sits on the LAN, subscribes to MQTT topics, and broadcasts WoL magic packets — built on ESP-IDF with FreeRTOS, lwIP, QoS 1, and hardware watchdog.

URL: https://harshith.in/projects/esp32-mqtt-wol/
Author: Harshith Sunku (Staff Engineer) — https://harshith.in/about/
Source: https://github.com/harshithsunku/ESP32-MQTT-WOL
Stack: C, ESP-IDF, FreeRTOS, MQTT, lwIP, ESP32

A network-aware Wake-on-LAN trigger that lives on the LAN. The ESP32 subscribes
to MQTT topics and broadcasts WoL magic packets to power on machines remotely —
no always-on server in between. Built on ESP-IDF with FreeRTOS, lwIP, QoS 1
delivery, and a hardware watchdog for reliability.