about timer circuit - Electronic Circuits Projects Diagrams Free

ctgroup · 4th February 2006, 06:06 PM

i want to make such timer circuit which is used for operating appliance
such as electric bulb( operating at 220v using relay) and so on.this is very necessary my home purpose .the circuit will be such type that if i set the time 2:00am at night it shoud glow about 3-4 hour and should be off automatically.
if anyone has idea to solve my problem.please, send me the circuit diagram as soon as possible (wihin 2days from the topic published).

akg · 5th February 2006, 09:06 AM

Quote:

Originally Posted by ctgroup

i want to make such timer circuit which is used for operating appliance
such as electric bulb( operating at 220v using relay) and so on.this is very necessary my home purpose .the circuit will be such type that if i set the time 2:00am at night it shoud glow about 3-4 hour and should be off automatically.
if anyone has idea to solve my problem.please, send me the circuit diagram as soon as possible (wihin 2days from the topic published).

have a look at datasheets of 555,4017,4060 timers and counters.
www.alldatasheet.com

hotwaterwizard · 6th February 2006, 01:04 AM

a coffee pot timer works well and it is cheap too.
You buy the Coffee Pot, remove the timer and throw away the pot.

audioguru · 6th February 2006, 01:12 AM

Hi John,
Do you think the other site is down again because it is looking for a reliable server?

hotwaterwizard · 6th February 2006, 03:21 AM

This one works great.

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4th February 2006, 06:06 PM	(permalink)
ctgroup	about timer circuit i want to make such timer circuit which is used for operating appliance such as electric bulb( operating at 220v using relay) and so on.this is very necessary my home purpose .the circuit will be such type that if i set the time 2:00am at night it shoud glow about 3-4 hour and should be off automatically. if anyone has idea to solve my problem.please, send me the circuit diagram as soon as possible (wihin 2days from the topic published).

6th February 2006, 01:04 AM	(permalink)
hotwaterwizard	a coffee pot timer works well and it is cheap too. You buy the Coffee Pot, remove the timer and throw away the pot. __________________ John DeRosa (Hotwaterwizard) hotwaterwizard@aol.com

6th February 2006, 01:12 AM	(permalink)
audioguru	Hi John, Do you think the other site is down again because it is looking for a reliable server? __________________ Uncle $crooge

6th February 2006, 03:21 AM	(permalink)
hotwaterwizard	This one works great. __________________ John DeRosa (Hotwaterwizard) hotwaterwizard@aol.com