This circuit is designed in response to a request made by my beautiful neighbor. What she desired...
Electronic Circuits
In this section you will learn and build simple electronic circuits projects. You will make interesting analog electronic circuits useful in daily life. Moreover, you will know electronic circuit design using circuit elements.
The circuits include home made electronic circuits, hobbyist circuits and prototypes.
Simple Security Alarm Button
Now you can build your own simple security alarm button using a tiny microcontroller chip PIC12F675...
Simple Flood Alarm
The electronic flood alarm circuit presented here is wired around an LMC555N (IC1) – CMOS...
Unique Electric Heater Controller
Circuit of a little solid-state heater controller is described here. This circuit can be used to...
White LED Bulb AC230V
Presented here is a simple yet useful AC230V White LED light bulb with an isolated digital...
Automatic LED Night Light
Inspired by a Chinese design, recently I built a small automatic LED night light with the help of a...
Microwave Radar Motion Sensor Switch
Presented here is an automatic motion sensor switch built around a cheap ‘Doppler Microwave Radar...
3V3 uC Power Supply
Nowadays most electronics hobbyists require a precision 3.3V power supply module for their...
Poorman’s Laser Diode Driver
Recently I got a couple of powerful laser diodes from a friend abroad. The ‘invisible’ (infrared)...
Universal Relay Module
Here is the circuit of a do it yourself universal relay module for microcontroller projects. One...