文件名称:BidirectionalLEDs
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Bidirectional LEDs
A novel microprocessor interface circuit is described which can alternately emit and
detect light using only an LED, two digital I/O pins and a single current limiting re-
sistor.
A novel microprocessor interface circuit is described which can alternately emit and
detect light using only an LED, two digital I/O pins and a single current limiting re-
sistor.
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Bidirectional LEDs\Very Low-Cost Sensing and Communication Using Bidirectional LEDs.pdf
Bidirectional LEDs
Bidirectional LEDs