In this post we discuss how to build a simple, regulated fixed +/- 15 V symmetrical dual power supply circuit using standard components and very cheaply. Despite the fact that […]
Circuit to Protect Car Accessories from Theft
Thefts in automobiles of precious accessories like spot lamps and fog lamps are on the rise. Backed up with a spanner, and provided a few moments uninterrupted, the earnest thief […]
Very Simple Emergency Lamp Circuit Using a Single Transistor
This explained simple emergency lamp circuit includes a built-in charger which charges a nickel-cadmium battery through the input AC mains in order to get a standby power for emergency lighting […]
Square Wave Generator Circuit with External ON/OFF Control
In this post we discuss a simple yet extremely stable CMOS square wave generator circuit whose output can be controlled ON/OFF through an external high/low signal. In electronic digital circuits […]
Automatic Sliding Door Circuit
Automatic opening and closing doors normally don’t get much attention since they involves complex mechanisms. But still a few innovative people have attempted to set an automatic sliding door in […]
Garage Stop Light for Preventing Car Collision with Walls
The post explains a simple circuit that will enable car drivers to stop their car at an exact safe distance from the wall without the risks of colliding with the […]