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Reply to "IR or Optical Sensors"

Hi Stan,

 

Well everything works with respect to the IR detection circuit you provided along with how to deal with the lo trigger situation. But, as you mentioned way earlier, using the IR module with the emitter & sensor side-by-side doesn't work very well. So, I am ready to separate them from the module.

 

My question has to do with removal. I have a low wattage soldering iron and a heat sink from RS. I would like to unsolder the 2 LED devices so I can put them across track as you have shown. What is the likelihood that I will damage the LEDs by using a soldering iron to remove and re-attach (to extension wiring)?

 

Also, when you remove them, there doesn't seem to be a clear designation of anode/cathode---so do you just mark them before removal. I know this sounds silly, but there is not a lot of space on the module board or on the LED(s) to mark. I guess once removed, I guess I could just pre-wire each end with a color code, and then add extensions as necessary, but if I drop an LED unmarked while attaching wires, game over. Just looking for your thoughts.

 

Ken

Last edited by ken's trains

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