LM317 regulator board PCB making
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…
How to repair mobile charger circuits
Posted inGadgets

How to repair mobile charger circuits

The above image shows the inside of a typical mobile charger. These chargers can burn anytime and then they need to be replaced or repaired. This tutorial is about how…
OSSDAS rev. beta
Posted inAVR Solar Projects

OSSDAS rev. beta

This is current revision of the OSSDAS project. This new beta design is as follows. After few days this design will go to a board house. Now just touching it…
Simplest Solderless Breadboard Power Supply
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.…