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- Mar 2, 2011
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Can be powered from a 9V battery, Lithium-Ion Battery, Or wall jack.
Switch on top connects the battery,
Wall jack always powers the device on.
Has a 10 turn pot for precision Zero'ing...
Actually because it fit better than a regular potentiometer
Please excuse the theme song
I made the video inbetween TNG episodes LOL
One issue, Rather than trying to find a full 4 digit lcd (vs common 3 1/2)
I bought a 4 1/2 display an cut it down.
This works fine except for the fact that you cant tell (-) and (+) apart,
which makes zeroing slightly more dificult
Switch on top connects the battery,
Wall jack always powers the device on.
Has a 10 turn pot for precision Zero'ing...
Actually because it fit better than a regular potentiometer
Please excuse the theme song
I made the video inbetween TNG episodes LOL
One issue, Rather than trying to find a full 4 digit lcd (vs common 3 1/2)
I bought a 4 1/2 display an cut it down.
This works fine except for the fact that you cant tell (-) and (+) apart,
which makes zeroing slightly more dificult
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