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Power Supplies (181)

Browse through a total of 181 power supply circuits. Great collection of power supply and PSU projects: battery chargers, regulators, solar power supplies.

DC to DC converters   battery chargers   battery indicators   battery monitors   variable power supplies   voltage and power inverters   voltage converters   voltage regulators  

Breadboard Power Supply Adaptor

Brent Voltz - 12/22/17

The Challenge One consistent challenge that I face in my lab is how to power breadboard projects. I [...]

Building a Smart Master/Slave Switch

T.K. Hareendran - 12/06/17

Here is an inexpensive and easy-to-build master/slave switch for integration into powerstrips for the automatic switching of “slaves” [...]

Home IoT – Voice Controlled Lab Lights with Amazon Alexa and ESP8266

Brent Voltz - 11/20/17

I recently won an Amazon Echo in a BBQ cooking competition and I was eager to get it [...]

Weekly Roundup – Top Links for the 2nd Week of November 2017

Adam Carlson - 11/10/17

From the Editor I must apologize for the late release of the weekly report this week.  I was [...]

Building a DIY LED Ring for DSLR Camera

Enrico Miglino - 11/06/17

LED Ring for a DSLR Camera For me, when I start a new project, I am not interested [...]

Weekly Roundup – Top Links for the 4th Week of October 2017

Adam Carlson - 10/26/17

Editor’s Note This week, I had the wonderful problem of having too much material to share in the [...]
XLPSM-2

XL4015 Power Supply Module – Secret Talks

T.K. Hareendran - 04/17/17

This is a succinct account of my experience with the cheap electronic power supply module from China, "DC-DC [...]
Inverter Schematic

Portable Power Inverter Circuit

T.K. Hareendran - 11/29/16

Recently, my neighbor expressed a deep interest in building a low-power inverter from scratch. This portable power inverter [...]
lipo charger circuit

Compact 2S LiPo Battery Charger

T.K. Hareendran - 09/28/16

The compact LiPo battery charger introduced here can be used to charge almost all standard 2S LiPo battery [...]
microcontroller power supply circuit

Smart Power Supply for Microcontroller Projects

T.K. Hareendran - 04/06/16

A good, reliable and easy to use dc power supply is probably the most important thing for every [...]
power surge protection circuit

Power-Back Surge Protection Circuit

T.K. Hareendran - 10/11/15

Power-Back Surge Protector is a simple yet effective solution for protecting your valuable and sensitive electric/electronic systems. Power-Back [...]
5V Power Bank with 3.7V Li-Ion Battery circuit

uC Li-Ion Power Bank w/ MC34063

T.K. Hareendran - 08/24/15

Lithium-Ion (Li-Ion) batteries have become popular for portable electronics and microcontroller projects because they boast the highest energy [...]
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