Transmissive optical sensors from old printers and scanners

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############################# Video Source: www.youtube.com/watch?v=a55EwMSIy2w

Table Of Contents: • 00:05 Introduction • 00:30 4 pin transmissive optical sensor, pin configuration • 02:18 LED current • 02:49 Working principle • 03:20 3 pin configuration • 05:04 Rotational encoders from old printers • 05:25 Following the tracks on the board • 07:09 Pin configuration by resistance measurements • 08:28 Sensor on a DC motor • Details available on the project page: • http://www.HomoFaciens.de/technics-ba...

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