Simplest SMPS power supply ever – efficient and powerful – from an old CFL
New to power electronics ? Here is your first SMPS project. But a SMPS from an old/dead CFL ? Yes, it's possible, with a little modification, of course the CFL's…
DIY 3.3V USB breakout board, LVTTL and LVCMOS compatible
Nowdays 3.3V logic level is gaining popularity, almost every every new microcontrollers are working on 3.3 volt. The worst part is some of them are not tolerant to input voltage above…
Posted inBasic Electronics DIY
Simple Piezo Buzzer circuit diagram and project details
Piezo buzzers are one of the most common buzzers available around, they got their name from the piezoelectric material used as the active element. These buzzers are usually driven at…
Posted inDIY
Make your own DuPont jumper wires easily
Jumper wires or DuPont wires are popular for fast prototyping, widely used on breadboard project. Straight to the point, this tutorial is for beginners, who are struggling with jumpers. Making your…
DIY PoE injector for 10/100M Ethernet
So it's pretty frustrating to run a separate power cable to outdoor/distant networking devices like outdoor access points, IP cameras, VoIP phones. That's when PoE is useful, and now we're going…
Posted inDIY PCB Making
LM317 regulator board PCB making
LM317 is the most used and easily available adjustable voltage regulator. Here I've designed a simple PCB for the regulator with surrounding diodes, capacitors, resistors, etc. In this board, the…
Posted inDIY LED Driver
DIY LED driver for 5Watt LEDs, 12V strips from 100-240 VAC
I got many requests to provide guide to build simple 230V to 1,3,5 Watt LED driver in response to my simple led driver diagram. So, below I'm writing an article…
Posted inDIY
Simplest Solderless Breadboard Power Supply
To make a nice breadboard power supply at the cheapest and simplest way, you need the following, An old unused (working) mobile charger. A 2x2 0.1" pitch male pin header.…
Posted inDIY Solar Projects
Simple DIY Solar Panel (Homemade)
This project isn't something that uses a solar panel and uses the produced voltage for some electrical and electronics work. But this project shows how to make a solar panel…
Posted inDIY PCB Making
PCB making process update: Easy PCB at home
The process in which I used to make PCBs at home has changed a lot in these recent months. Now I use Eagle CAD program to draw the board designs.…