The proposed 3 LED battery level indicator can be typically used for monitoring a 12 V lead acid battery charge level, through 3 distinct LED illumination. The entire circuit is […]
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Firecracker Igniter circuit [Remote Controlled with Timer]
In this post we are going to construct a few fireworks ignition circuits which can safely ignite them via IR remote and timer. We have proposed three firecracker igniter circuit […]
LED Star Circuit
This circuit can be used like a tree ornament, however the LED star circuit explained here has a variation; it’s completely electronic and it provides the impression of an exploding […]
Infrared Car Door Lock Security Circuit
In this post we will learn how to build a simple yet foolproof infrared based remote control, which can be used for locking and unlocking any vehicle door through a […]
Automobile Tester Probe Circuit [Car Fault Finder Probe Circuit]
This simple automotive electrical fault finder probe circuit will enable you to solve most electrical troubleshooting in your cars, tempos, motorcycles etc with a lot of ease and in a […]
6 Useful Voltage Controlled Oscillator Circuit Explored
In this post we learn how to build 6 useful voltage controlled oscillator circuits, using various op amps and integrated circuits. As the name suggests, a voltage controlled oscillator or […]