We know that LED is a two terminal semiconductor device. It is used in most of the electronic circuits as a sign or visual representation to the normal human to know that circuit is working properly.

This is a compact three transistor, regenerative receiver with fixed feedback. It is similar in principle to the ZN414 radio IC which is now no longer available. The design is simple and sensitivity ...

This repository contains a digital logic design project focused on implementing a basic circuit for a password management system. The project utilizes fundamental logic gates and concepts to ...

Welcome to the most comprehensive collection of ESP32-CAM projects for 2025! Whether you're a beginner exploring camera-based IoT applications or an advanced developer building sophisticated ...

Want instant SMS alerts from your ESP32 without relying on a bulky GSM module? Whether it's motion detection, a sudden temperature spike, or an unauthorized locker door opening, your ESP32 can now ...

There are five winners of the Hackaday Circuit Sculpture contest, and every one of them comes as no surprise, even in a tightly packed race to the top. The glowing mask is actually made of PCB. The ...