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“I have a small, cheap power supply which gives me variable voltage etc.I rarely work with voltages above 12 volt so it has served me well for a few years.My main issue with it is its limitation to …
“This is a small size power supply based on OPA549 power op-amp that provides output voltage 1.2V to 25V with 0 to 10A adjustable current limit. Two onboard trimmer potentiometers provided to adjust the voltage and current, LED D1 …
“In this tutorial i will show you how to make simple +12/-12 volt transformer based Dual Voltage Power Supply circuit. You can watch the video which is embedded in this step for construction, parts list, circuit diagram & testing or …
“Hi in this instructable I will show you how to make your own variable power supply, which is capable of delivering up to 5A at 12V.”
“Li-Ion batteries (18650 cells) are very widely used in all the electronics gadgets that we use today like mobile phones, laptop, powerbanks, etc. These batteries provide good backup and are a reliable source of power, therefore are also very convenient …
“In this instructable I am going to built a portable power inverter that converts 12v DC TO 220v AC. This is probably the smallest portable homemade inverter you will find here. The goal is to built this inverter to fulfil …
“There are plenty of power supplies available on the Instructables. Compared to the others, this one is: Small size and compact Powerful Simple, made of modules and parts ready to use No special tools necessary Parameters are following: Input voltage …
“I have already make a few PSU. At the beginning I always assumed that I need PSU with lots of Amps, but during few years of experimenting and building things I realized that i need small compact PSU with stabilize …
“Hey Guyz, This time I’m making a variable bench power supply.This is the most useful equipment for a hobbyist and DIY maker cause while making or testing circuits, it needs different values of voltage and current. That’s …
“Today i just build this small power supply, today morning i was getting bored :/ and I wanted to build something. Suddenly i realized that, i have one 12-0-12 transformer and a pair of buck-boost converter laying inside my drawer and …