Simple Mat Alarm Switch

This easy to built circuit produces a warning beep when somebody crosses a secure area in your home or place…

55 years ago

Simple Sensitive Tester for Infrared (IR) Remote Control

This kind of circuit is a helpful device for testing of infrared (IR) based remote control transmitters utilized for TVs…

55 years ago

Light Fence with LDR

This is the light fence schematic diagram uses LDR as the light sensing. The fundamental issue with the greater part…

55 years ago

Variable / Adjustable DC Power Supply 1.2V – 25V using LM338K

This is variable DC power supply circuit, or we can call it adjustable DC power supply which give us a…

55 years ago

Water Level Indicator using 7 Segment LED

Here the water-level indicator which use a 7-segment display, to show the water level (low, half and full) in the…

55 years ago

Simple Electronic Muscular Stimulator

Here's a circuit which stimulates nerves of the part of your body exactly where electrodes are generally attached. It is…

55 years ago

Stereo Digital Volume Control

Here is the circuit diagram of stereo digital volume control. This circuit could possibly be applied for upgrading your manual…

55 years ago

A Hierachical Priority Encoder

The above diagram is a hierachical priority encoder circuit. Described on wikipedia, priority encoder is a electronic circuit or algorithm…

55 years ago

Simple Traffic Light Controller

Here the simple traffic light controller which is could be used to educate kids rudiments of traffic light guidelines. The…

55 years ago