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4hv.org :: Forums :: General Science and Electronics

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storing voltage

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LAN_403

Microwatt

Fri Mar 18 2011, 05:42AM

Registered Member #3282 Joined: Wed Oct 06 2010, 05:01PM
Location:
Posts: 224

anybody know of an IC that will store the value of a voltage and then compare it to a new voltage?

Turkey9

Fri Mar 18 2011, 05:51AM

Registered Member #1451 Joined: Wed Apr 23 2008, 03:48AM
Location: Boulder, Co
Posts: 661

You mean like a comparator? Will the voltage have to be stored and compared at a later time?

Andyman

Fri Mar 18 2011, 06:50AM

Registered Member #1083 Joined: Mon Oct 29 2007, 06:16PM
Location: Upland, California
Posts: 256

You could use a picaxe and read analog signal values

Dalus

Fri Mar 18 2011, 08:34AM

Registered Member #639 Joined: Wed Apr 11 2007, 09:09PM
Location: The Netherlands, Herkenbosch
Posts: 512

Sample and hold buffer -->

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