How to Control Electrical Devices via SMS | ESP32 TTGO T-Call & SIM800L Tutorial

In this video, I’ll guide you through the process of controlling electrical devices using SMS. We’ll be building a smart device utilizing the TTGO T-Call development board with the ESP32 and SIM800L chip. You'll learn about the essential components required, including a 2.4GHz Wi-Fi antenna, a nano SIM card, an XL4015 step-down DC-DC converter, and a 100A solid-state relay. Whether you’re a beginner or an experienced maker, this project will enhance your skills in IoT and smart home technology. Join me as we dive into the exciting world of SMS-controlled devices!
Download Code:
gist.github.co...