220V LED Flash Crcuit

2016_08_20_16.02.57_crop (1)

circuit diagram – touch alaram

reminder alarm

humidity detector

dc fan

12 Volt Car Battery

Parts:

R1 = 0.32R

R2 = 8.2R

C1 = 10,000uF – 63V

D1 = 1N4004

D2 = 1N4004

D3 = 1N4004

Q1 = MJ1504

IC = 7815 REG

Arduino-Fan speed controller

aparat de sudura :)

Aparat de sudura !!!

radio microfon

Radio microfon functional pina la 30 metri.

 

 

rs-232 connector