photoelectric

  1. NN6394

    Receiver for optical barrier

    Hi, I am working on a problem with detecting a reflected IR signal. I have a TX IR LED that sends light at 32 kHz frequency. If something is in front of the diode (reflectimg surface), some light bounces back. Next to the TX LED, I have an RX LED to catch this bounced light. I want to catch this...
  2. C

    Dualbrite Motion Sensing light - Photocell

    I have a Heath Zenith Dualbrite motion sensing light. The light is designed to shut down during daylight. I had reason to investigate the workings and was stunned when I looked inside expecting to see an obvious photocell. The first photo shows what a clear window which allows light in sees...
  3. C

    Implementing some kind of motion sensor in place of NO/NC Push Button.

    Hi everyone! Firstly, I apologise if this is the wrong place to post! Over the last couple of years I've used a Weigl ProCommander PHX to control some event spaces from a series of push buttons. These have simply been wired from the PS+ to a terminal of a NO/NC push button and the other...
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