Control a Smart Fan with ESP32 and Home Assistant Using Temperature Triggers

I’ve always been fascinated with making my home smarter, especially when it comes to energy efficiency and comfort. There’s something deeply satisfying about having your home respond to environmental conditions without lifting a finger. In this tutorial, I’ll show you how I built a system that automatically controls a fan based on room temperature using an ESP32 and Home Assistant. Why I Built This System Living in a climate with hot summers, I found myself constantly adjusting fans throughout the day.