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 […]
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4 Simple Li-Ion Battery Charger Circuits – Using LM317, NE555, LM324
The following post explains a four simple yet a safe way of charging a Li-ion battery using ordinary ICs like LM317 and NE555 which can be easily constructed at home […]
Sequential Bar Graph Turn Light Indicator Circuit for Car
The article illustrates a simple yet innovative, fancy car turn signal light circuit which produces a rising bar graph sequence effect when switched ON. The circuit idea was requested by […]
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 […]
How to Design an Inverter – Theory and Tutorial
The post explains the fundamental tips and theories which may be useful for the newcomers while designing or dealing with basic inverter concepts. Let’s learn more. What’s an Inverter It’s […]
How to Convert 12V DC to 220V AC
The article explains a very simple method of acquiring 220V AC from a 12v DC source. The idea utilizes inductor/oscillator based boost topology with the help of the IC 555. […]