Led's

Simple way to light up your led's

You will need only leds and coin battery

See the pictures below and video Led's

Remote IR Tester

This device is for testing remote controls by IR detect,

it use several parts like CD4093,IR TSOP1738,buzzer,

12volt battery(A23) and basic elements like resistors and capacitors.

Below are shown pictures of my tester and here is linkto video how it works IR-Tester

RJ-45 Cable Tester

Very small and portable cable tester.

It's easy to built you can see below the schematic,it only

takes a few parts: RJ-45 Joiner,8 leds(any color),

and lithium battery CR1225(it's small 3 volt battery).