Help, IR motions sensor alteration

Discussion in 'The Projects Forum' started by jchannel, Jul 16, 2009.

  1. jchannel

    Thread Starter New Member

    Jul 15, 2009
    Can a IR motion sensor be changed to receive an IR signal from a transmitter rather than motion? I need to make a momentary switch that works with IR and I am having a problem finding a design. I need the switch to trigger a timer so I only want one signal to trip the IR.

  2. Bernard

    AAC Fanatic!

    Aug 7, 2008
    The IR motion detector [ passive IR , PIR ] is designed to accentuate motion and would probably reject a data stream. Try a transistor IR detector. Detector modules which have built in amplification are available.
    What range do you need?
  3. Bernard

    AAC Fanatic!

    Aug 7, 2008
    SONY 407-B 3z2 [or ? 322] IR module; The Electronic Goldmine Pt. No. G8156 @ $ 1.79; or others under IR. " will control a LED or relay @ 20 ft. using just about any TV remote."
  4. GetDeviceInfo

    Senior Member

    Jun 7, 2009
    the pyroelectric sensors of the motion type are very slow to respond to changes in IR radiation. They would be useless for data reception.