Simple timer circuit using Ic 555

Last Updated on March 9, 2019 by technoreview85

It is a step by step guide to make a simple timer circuit using most popular Ic 555

You need to make :- 

• 1 . IC 555
• 2 Resistor – 10K , 560 ohms ,
• 3 potentiometer 220 kilo ohms
• 4 electrolytic capacitor 10mf / 25v
• 5 ceramic capacitor .01
• 6 LED
• 8 volt battery for power source
• 9 vero board or beard board

Ic pin 4 & 8 connect to vcc. pin 1 is gnd .pin 3 is output to LED through a 560 E resistor