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1/60 • f/5.6 • 10.2 mm • ISO 80 •

PENTAX Corporation PENTAX Optio S5z

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Water level sensor

Water level sensor
Quick hack. Detects low/high/normal water level and indicates it using 3 LEDs. I didn't calculate any resistor values, pure trial and error. Some of these just work as inverters, so the LEDs light up in the right way.

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