In this post I have explained how to build a simple laptop power bank circuit which can be used for charging a laptop battery during travelling or during outdoor trips. […]
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7 Automatic Street Light Circuits [Using Relays and Solar Panel]
In this article I will elucidate 7 useful yet simple automatic street light circuits using 220 V relays and solar panel. All the presented circuits can be used for automatically […]
Bicycle Speedometer Circuit
In this article I have explained how to build a simple bicycle speedometer circuit which can be used to measure the speed of the bicycle. Video Demonstration What is a […]
High Voltage Meter Circuit [for Measuring 10kV]
In this article I have explained a simple high voltage meter circuit which can be used for measuring extremely high voltages in the order of many 1000s of volts. The […]
Different Types of UPS systems – Explained
In this post I am going to explain different types of uninterruptible power supply (UPS) that are available in the market and how they are classified according to the consumer’s […]
Solar Stud Light Circuit
In this post I am going to explain solar road stud light, what is it? How do they work? And how can we construct our own. In this post we […]