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[aprssig] Shunt for battery current / APRS Telemetry

James Jefferson Jarvis jj at aprsworld.net
Thu Feb 23 23:19:38 UTC 2006


Measuring the power source that is powering you can be tricky business without 
an isolated power supply. I suggest you look at the Allegro hall effect 
current sensors:
http://www.allegromicro.com/hall/currentsensor.asp
They are a single part that will take measure your current and give you a good 
output in the 0-5 volt range. I've used them before and for DC applications 
they are pretty darn easy to work with.

Best of luck,

-James Jarvis KB0THN




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