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Dave's Circuits
Circuits designed by David Johnson, P.E.

Master Category List - Dave's Circuits
 Last Updated on: Friday, July 18, 2008 11:34 AM


Light Detectors or Optical Sensors
 
OPTICAL INTERRUPTER DRAWS MICROAMPS
This circuit is great for battery-powered systems that use slotted type optical interrupters. It draws only 10uA from a 3v battery that should allow up to 5 years of operation from a lithium battery.

Click on Drawing Below to view PDF version of Schematic

Battery Power Optical Interpreter designed by Dave Johnson, P.E. (June 4, 2000)

Light Detectors or Optical Sensors
Master Schematic Category List - David A. Johnson, P.E.
 

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