Simple Mat Alarm Switch
This easy to built circuit produces a warning beep when somebody crosses a secure area in your home or place…
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…
Light Fence with LDR
This is the light fence schematic diagram uses LDR as the light sensing. The fundamental issue with the greater part…
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…
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…
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…
Stereo Digital Volume Control
Here is the circuit diagram of stereo digital volume control. This circuit could possibly be applied for upgrading your manual…
A Hierachical Priority Encoder
The above diagram is a hierachical priority encoder circuit. Described on wikipedia, priority encoder is a electronic circuit or algorithm…
Simple Traffic Light Controller
Here the simple traffic light controller which is could be used to educate kids rudiments of traffic light guidelines. The…