#DIY Electronics

By the end of this breadboard tutorial, you'll understand exactly how a breadboard works. You'll build four circuits that actually work. And you'll never look at a breadboard the same way again.

Every electronics beginner has this moment. You're building a circuit. You connect an LED. You power it on. Poof. A tiny puff of smoke. The LED glows bright for a split second, then goes dark forever.

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.