COMO fazer um interruptor universal MQTT com NodeMCU ESP8266 e Home Assistant

Have you ever thought about building your own universal button integrated with Home Assistant to control anything in your house? Follow this video for a step-by-step explanation and practical demonstrations on how to execute this project using a NodeMCU. ➡ Instagram:   / lnp_br   Complete code for use in the Arduino IDE: https://gist.github.com/lnpbr/84f9c05... Link to purchase the NodeMCU: ✅ NodeMCU v3: https://mercadolivre.com.br/sec/1YuCRwi ✅ NodeMCU (suggested V3 CH340 with cable): https://s.click.aliexpress.com/e/_DBF... Timeline: 00:00 - Introduction 01:12 - Digital Pin Selection 02:00 - Wiring Diagram 02:28 - Hardware Preparation 03:33 - Basic Software for Testing 05:02 - Basic Software Testing 05:31 - Complete Code with MQTT and WiFi 13:34 - Demonstration in Home Assistant 14:52 - Practical Demonstration (Automation)