Multiple Sensors

Published:2013/6/6 20:33:00 Author:muriel | Keyword: Multiple Sensors | From:SeekIC

More than one phototransitor can be connected to a single voltage comparator. This would allow transistors to be placed along a section of track to indicate when a train is anywhere in that section. As long as the train is long enough to cover two sensors the circuit will continuously detect the train.



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