Content for PSU

Step Up DC-DC Converter – 12V TO 28V DC 175mA

“The Step-Up DC-DC Converter project provides 28V, 175mA output with input of 12V DC. The MC34063A IC is heart of the project from On semiconductor. The MC33063A is a monolithic control circuit containing the primary functions required for DC …

DIY Bench Power Supply (Single Channel)

“Every engineer needs at least one bench power supply in his house. I agree one can get the power supply directly from the store, but they are costly and some are ugly in terms of design too. We all need …

TinyLiPoCharger With Buck Bosster 3.3 Volt Out

“I needed a small single cell LiPo charger and 3.3V buck booster for my IoT stuff. A small footprint and multi purpose for different size of LiPo cells”

Super Efficient Buck Convertor 5V 1A Arduino Power Supply

“Sometimes buying a ready made power supply is just not good enough, especially if we want something special. I needed a super efficient 1 Amp power supply for my autonomous weather station that lives in the middle of a field …

variable bench top powersupply

“This instructables will show how I built a variable voltage power supply based off of the lm338 variable voltage regulator. The lm338 circuit is very simple and can be made with only the voltage regulator, a resistor and a potentiometer …

Solar Charger and Adjustable Power Supply

“In this instructable I am going to show you how to build a Solar Charger in a very simple way, so that it will be easy and affordable for anyone to build its own one. We are going to use …

ATX based Lab power supply - 10th year anniversary edition

“I had published an ATX lab supply conversion about 10 years ago. It inspired a lot of folks to take their first steps in hobby electronics through that instructable. And now there are many many examples of people doing the …

Dual 90V/10A Unregulated Power Supply

“This project is designed to provide symmetrical output unregulated, high voltage, high current for your demanding needs. Right choice for Audio Amplifiers, Power Drivers, Motor Drivers.”

Dual Adjustable Regulated power supply 1.2V TO 37V DC

“This project is a solution to power up most of devices or projects requiring dual (+/-) adjustable power supply. The circuit is based on LM317 positive and LM337 negative voltage regulators. LM3X7 series of adjustable 3 terminal regulators is capable of …

PowerBox: Recycled AC Power Distribution System From Old Computer AC Controller

“Most AC powerstrips do not have good filtering and do not have individually switched AC sockets. I had been on the lookout for a better solution and fortunately found a discarded computer AC controller that I converted to a well …