Transmissive optical sensors from old printers and scanners

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-base-circuits-transmissive-optical-sensors_en_navion.htm

Видео Transmissive optical sensors from old printers and scanners канала HomoFaciens