Electronics Forum: electronic timer (Page 1 of 11)

zsct1555 timer problems

Electronics Forum | Wed Nov 14 00:38:45 EST 2001 | jarvis76

Does anyone have experience with the zsct1555 timer chip made by Zetex? I can't seem to get it to oscillate properly. My values for vcc and components are as follows: Vcc=1.5v Ra=220 ohm Rb=3200 ohm Ct=100uf OR..... If you know of any other chips

Timer circuit design?

Electronics Forum | Fri Oct 08 16:30:30 EDT 2004 | davef

555 is a very useful and popular device. See, we're mostly a bunch of gearheads that assemble electronic products. For help with your design, look here: http://www.google.com/search?sourceid=navclient&ie=UTF-8&q=555+timer+circuits

Electrovert OmniFlo Ovens

Electronics Forum | Thu Jan 20 14:33:20 EST 2005 | Chunks

Where can I find the "hours run" timer on this oven. Can't locate a physical timer. Is there one located in the software?

Drive Cycle Timer calibration procedure?

Electronics Forum | Sun Jan 15 10:36:23 EST 2006 | Robert

Oven runs, input/output sensors work but no product tracking. Various resets have no effect and cannot reset Drive Cycle Timer due to "not calibrated" error. Where can I find the procedure without manuals on-hand?

ersa 7

Electronics Forum | Thu Jan 10 07:52:19 EST 2008 | stano

Hello everybody. We have ERSA Hotflow 7 oven, and we want run weekly timer. We had setting it, but oven still run, it does not turn off and on automatically, and message is : clock is bridged. Know somebody how to set weekly timer? Thanks.

Looking For Timer Suppliers

Electronics Forum | Thu Jul 17 16:43:30 EDT 2003 | davef

We use timers all over our shop to keep track of pot life on epoxy, paste work time, etc. The timers we use are from "Big Clock" or someone like that. They cost about $10. They keep time, count time up [run time] and count down from a set time. [

Timer circuit design?

Electronics Forum | Fri Oct 08 04:57:30 EDT 2004 | newtoelectronics

I would like to design a small delay timer circuit to activate from a switch that when it is N/O it starts timing for two seconds and then activates a buzzer. I am trying to use a 555 timer with a buzzer attached running from a two lithium 3v batteri

Drive Cycle Timer calibration procedure?

Electronics Forum | Mon Jan 16 09:21:45 EST 2006 | russ

Probably from BTU?

pcb change

Electronics Forum | Mon Apr 25 15:37:24 EDT 2011 | davef

Find a 555 timer site. Look here http://www.kpsec.freeuk.com/links.htm

Please help a newbie

Electronics Forum | Thu Jun 19 14:14:28 EDT 2003 | samaniegocesar

Hello Mr. James Mark send a Email similar to your email about a countdown timer. I send him this email. Read and give me your comments.. I'm an Electronic Engineer and I being doing and Designing some devices like your requirement( pneumatics mac

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