How to build an auto off bedside lamp
msrini
August 25, 2025
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How to build an auto off bedside lamp At night, while you're asleep, if an electricity failure occurs, you are caught in the dark, and w...
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Monday, August 25, 2025
Tuesday, August 5, 2025
How to build a simple "Thermometer"
msrini
August 05, 2025
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How to build a Thermometer project at home and lab. Introduction In this blog post, we are going to study how to build a simple, easy Ther...
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Saturday, July 26, 2025
How to build 12 V transformerless power supply circuit
msrini
July 26, 2025
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12V transformerless power supply circuit Introduction Imagine you want to power a small electronic device that requires 12 volts DC, but yo...
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Wednesday, July 23, 2025
How to build Mobile Charger Circuit at home?
msrini
July 23, 2025
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Easy Mobile Phone Charger Circuit – A Home-Built Project Are you looking for a simple way to build your own mobile phone charger? This begin...
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Friday, July 11, 2025
±12V dual power supply using 12V/1W Zener diodes.
msrini
July 11, 2025
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A simple ±12V dual power supply using 12V/1W Zener diodes Introduction Dual power supplies that provide both positive and negative voltage ...
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Tuesday, April 1, 2025
How to build 12V to 120-230V AC inverter
msrini
April 01, 2025
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12V to 120/230 V AC inverter Introduction Whenever an alternate power source of approximately 120 to 220 v AC is required, an inverter circu...
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Thursday, February 27, 2025
How to build Musical Light Circuit
msrini
February 27, 2025
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Musical light circuit Introduction You might have experienced that in popular disco music programmes, favourite pops or film music pieces ...
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