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Posts Tagged ‘Schmitt trigger’

How to read several infrared sensors using one MCU pin

Sunday, January 22nd, 2012

Oscar has written an article describing a technique he's used for reading multiple analog sensors with one MCU ADC pin. He was designing a line-following robot and wanted to read several infrared sensors without having to dedicate an analog read pin for each. His solution uses "a Schmitt trigger inverter...

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Posted in how-to, Interface, robotics, sensors, techniques | 5 Comments »

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