NEPA ALARM TUTORIALS

Please make sure you follow the steps

Firstly
Get all the comopnet required for this project,the NE555 timmer IC has 8 pins, the pins name are as follows
Pin1:Gnd
Pin2:trigger
Pin3:output
Pin4:reset
pin5:voltage controller
Pin6:threshold
Pin7:discharge
Pin8:+vcc
Download the full tutorials through this link
https://drive.google.com/file/d/0B-Xdc5LdCPK5bFNjYzhlaFhJQ3c/view?usp=drivesdk