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In Reply to: RE: Juli@ PSU highlights posted by theob on April 01, 2009 at 07:32:47
hi theob,
The optimal specs of the U1 regulator:
MT1117-3.3, 4.3V ≤ VIN ≤ 5.5V ( Max Voltage not more than 6 Volt)
So it works perfect in this reach,
For the reason of low ESR i prefer 3 to 4 batteries parallel to reach the max. SQ , but one works too.be careful , the MT1117 is very sensitive for to much heat during soldering
Edits: 04/01/09Follow Ups:
ok good advice I am not an expert solderer so I'll hold off untill I can find a good solderer. Should I unsolder the ground to run to the battery?
You can solder the ground of the batterie direct to the ground pin, the pin can stay on board.
thanks
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