ESP32-DIV Full Guide | WiFi, BLE, RF, RFID and Every Feature Explained

ESP32-DIV started as a personal tool. Something I built because I wanted one device that could handle WiFi, Bluetooth, Sub-GHz, IR, RFID, and GPS all from a single handheld board. I never expected it to grow the way it did. People started building it. Then selling it. And some just grabbed the code and called it their own. That’s open source. But the real community the people opening PRs, reporting bugs, actually contributing that’s what kept this project alive and moving forward. This post is the complete guide. Hardware, flashing, every feature, and where the project is going next. The Hardware ESP32-DIV comes in three configurations. v1 is the original. Compact, all-in-one, good entry point. v2 is the current main board. Better layout, more reliable connections, and it supports the shield expansion system. This is what I’m using throughout this guide. CYD Cheap Yellow Display is a pre-made ESP32 development board with a built-in touchscreen. If you want to try the firmware without…