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Posted: 31 May 2012

Taken: 01 Jun 2012

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1/60 • f/3.5 • 10.2 mm • ISO 200 •

PENTAX Corporation PENTAX Optio S5z

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electronics •
step-down •
KIS-3R33S •

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Higher output voltage mod #2

Higher output voltage mod #2
Removed the two 51k upper resistors of the feedback voltage divider. Now it can be tuned with an external 200k trimmer pot wired as a simple voltage divider between the output and GND. The wiper goes to the adjust pin (blue).
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