These AC to DC power supplies use a single chip to convert mains 220 V or 120 V input AC into 12 V or 5 V DC without depending on […]
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Battery Charger Circuit using Fixed Resistors
This universal automatic battery charger circuit is extremely versatile with its functioning and can be adapted for all types of battery charging and even for solar charge controller application. Universal […]
How PNP Transistors Work
In this post we learn regarding how a PNP transistor works or conducts in response to a fixed biasing voltage and a varying supply voltage, across its base and emitter. […]
Convert your Computer UPS to Home UPS
This article explains an interesting topic, how to convert your computer UPS into home UPS. If you own a desktop computer, you may have a UPS that can power your […]
5 Simple Power Bank Circuits for Mobile Phones
The article presents a 5 assorted power bank circuits using 1.5V cell and 3.7V Li-ion cell which can be built by any individual for their personal emergency cellphone charging functionality. […]
How Buck Converters Work
The article below presents a comprehensive know how regarding how buck converters work. As the name suggests, a buck converter is designed to oppose or restrict an input current causing […]