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  1. Grossel

    Dual optical sensor for household printers - default pinout

    Hi. Have scrap saved an old HP printer for parts, and ran into a optical censor (the one that counts position of a printer head). Pinouts as in drawing (black dots not relevant here just two plastic parts through the PCB board). I haven't bothering numbering the pins for the led input, the...
  2. S

    Graphics Editors- which program?

    Hi all, On another thread Les Jones and I briefly discussed graphics editors (post #132 @ http://www.electro-tech-online.com/threads/lm723-psu-with-0v-lowest-voltage.148899/page-7) I have been looking for a convenient, but powerful, vector graphics editing program for years. I started with...

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