HINDI FILM SONG

4TP019

19

2B-SOCHNA KHYA JO HO DHGA JAYGA {HINDHI SONG GAYAL FILM} [COB PROJECTS]

CAR BREAK COB PROJECT

PROJECT SPECIALITIES

This project is an interesting and surprising project for the people who are deprived of knowlede in electronics. This project produe a HINDHI FILM sound or CAR BREAK sound. This can be used as a door bell as well as in cars while reversing.

TECHNICAL DESCRIIPTION AND WORKING:-

This project has been developed and successfully tested OK in TV Engineer Technical Lab.

A chip ON board [COB] is the main component of the circuit. This type of COB does not carry any number. This is an IC of special type mounted on PCB with fixture compound. This can’t be deteched from PCB itself. The circuit works on 12 V DC.

This project produces sounds like HINHI FILM GHYAL OR CAR BREAK. The other components in the circuit are for biasing purpose only.

PRECAUTIONS WHILE ASSEMBLING THE PROJECT:-

  1. Do not apply two hot soldering iron on IC chip.

LIST OF COMPONENTS:

HINDHI FILM “GHAYAL” COB [ CHIP ON BOARD]

COB [GHYAL FILM] 1

D1- IN4001 1

D2 3.6V ZENER 1

TR1 BC148 1

TR2 BEL187 1

R1 IM OHMS 1

R2,R3 1K 2

SPEAKER 8 OHM 1

ON/OFF SWITCH 1