This simple MOSFET controlled transformerless power supply circuit can be used for delivering a continuously variable 0 to 300V DC output and a current control from 100 mA to 1 […]
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Simple Solar Garden Light Circuit – With Automatic Cut Off
A very simple automatic solar light system for illuminating your garden passages can be built using some LEDs, a rechargeable battery and a small solar panel. The system automatically switches […]
3 Interesting DRL (Day Time Running Light) Circuits for Your Car
DRL or Day Time Running Lights are a chain of bright lights mostly LEDs installed just under a vehicle’s headlight, which illuminate automatically during day time to ensure that others […]
Cell Phone Emergency Charger Pack using Ni-Cd Batteries
In this post I have explained the construction of a simple emergency charger pack using Nicket Cadmium (Ni-Cd) batteries for your cellphones and smart phones for emergency charging of your […]
3 Simple Solar Panel/Mains Changeover Circuits
The discussed automatic change over relay circuit was requested by Mr.Karimulla Baig. The circuit normally charges the connected battery at constant current through the power received from the solar panel, […]
Simple PIR LED Lamp Circuit
The following PIR LED lamp circuit was designed by me for one of the followers of this blog Mr.Deepak upon his request. The circuit is a LED driver which responds to ambient […]