#ESP32 CAM

But which board do you buy - ESP32 Camera Comparison? The classic ESP32-CAM is cheap and everywhere. The Seeed Studio XIAO ESP32-S3 Sense is tiny and powerful. The DFRobot DFR1154 is feature-packed with night vision and audio.

The two ESP32s talked to each other through solid concrete walls using nothing but radio waves. This is LoRa module. And it's magical.

So here it is: a standalone CCTV system where the ESP32 CAM streams video to a 2.8-inch TFT display – no computer needed, no internet required, just pure DIY goodness.