A DC cell phone or mobile phone charger is a device which charges a cellphone from an available DC supply source. The device converts the unregulated DC source into a […]
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Simple 12V, 1A SMPS Circuit
The following content explains two simple 12V, 1 Amp switch mode power supply (SMPS) circuit using the very reliable VIPerXX IC from ST microelectronics. With the advent of modern ICs […]
Motor Protection Circuits – Over Voltage, Over Heat, Over Current
In this post we discuss a few DC motor protection circuit from harmful conditions like over voltage and under voltage situations, over current, overload etc.. DC motor failures are commonly […]
How to Get Free Energy from Alternator and Battery
A request was sent to me by one of the readers Mr. Edward Pizzo, regarding solving a circuit issue. The idea refers to a very interesting concept of acquiring free energy through a […]
How an Inverter Functions, How to Repair Inverters – General Tips
In this post we will try to learn how to diagnose and repair an inverter, by comprehensively learning the various stages of an inverter, and how a basic inverter functions. […]
Understanding Solar Panels
Solar panels are devices which are used for generating electricity from sun light. Solar panels consist of many individual photo voltaic cells arranged in series. Introduction Each cell is able […]