Sunday, February 4, 2018

SIMPLE LED LIGHT USING 9 VOLT STEPDOWN TRANSFORMER

hai friends this is my first blog

 Today we do how to grown an led light  by using 9 volt step down transformer

components requirement:

9 volt stepdown transformer         -1

 1 watt led light                             -3
1k ohm resister                              -3


I m taking 9 volt tansformer for my old electronic device .you  also take old cell phone charger or any other 9 or 6 volt adapter

this is 9-0-9 tansformer so Red and Black wire is input wire (230 volt ac)
And out their are three wire 1 and 3 pin can be short and centre pin is negative
So 15 volt 2200microfaran

AUTOMATIC ROOM LIGHT CONTROLLER BY USING PIR SENSOR

First let’s explain the working principle. The module actually consists of a Pyroelectric sensor which generates energy when exposed to hea...