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Old 26th September 2003, 06:32 PM   #1
diyAudio Member
Join Date: May 2003
Location: illinois
Default anyone know how to ????

well i was skimming through the partsexpress catalog
and saw a circut i would like to build just as a practice circut

it was a wattage meter in a sort

it used led's alligned verticaly
and with each one that lights up represents a guestamate on the wattage

kinda old scool spectrum analyzer style

anyone got an idea on what i would need and need to know to do one of these?
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Old 26th September 2003, 07:46 PM   #2
jleaman is offline jleaman  Belgium
Join Date: Apr 2002
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Showing us a schematic would help : O )
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Old 26th September 2003, 07:53 PM   #3
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Holger Barske's Avatar
Join Date: Jan 2001
Location: Ruhrgebiet
I think it would be a good idea to gohere, download the datasheet and have a look how stuff like that works. You can be somewhat sure that that chip is the one used in the circuit you have seen.
Best regards: Holger
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