555 IC Timer, With Adjustable Time, 1.0-Second. to 1.0-Hours, Used for A.T.M-Automatic Tubig Machine

Adjustable Time from 1.0-seconds to 1.0-Hours!

[@edwinpn3457]

Thanks for sharing

[@Praveen-xi8zw]

Very good

[@hendritresnahadi4146]

Is that correct value sir? Bcoz if calculating with monostable formula the result is only +- 1 minute max

[@jazuzzen5453]

Great 👍 how to make it 3 hours?

[@nucki222]

Ohne Schutzdiode am Relaiseingang ? Nicht gut!

[@sebastianvarghese4331]

write the values of components pls.

[@ravindran8761]

555 ic can't give 1 hr delay