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1/15 f/3.5 10.2 mm ISO 200

PENTAX Corporation PENTAX Optio S5z

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Logic vs. transistor driver

Logic vs. transistor driver
5ms/div
2V/div
CH1: Row 1 UDN2981A
CH2: Row 8 UDN2981A

During the LOW period of the signal the cpu has time to service other interrupts and run user code.

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