Very usefull and cheap timer circuit diagram

[manideep.ghosh]

PARTS LIST
R1 2.2MΩ
R2 18KΩ
R3 1KΩ
R4 1KΩ
R5 1KΩ
R6 1MΩ
VR1 500KΩ (504)
C1 220nF (224)
C2 10nF (103)
D1 LED
D2 LED
D3 1N4001
Q1 BC547
IC1 CD4060
RL1 Relay

Its very usefull circut for making small timer range 1min to 30 mnts .It can oparate 1min to 180 mnts.jst change the C1 & VR1 value.

 

[eng sama]

nice design

 

[patoliyarj]

nice one..will test & utilize it...

Thanks...