IR train detection using the Sharp IS471 chip  
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  Experimental setup. The IR detector drives an Uhlenbrock 63350 feedback decoder. This is a Loconet device. My DCC controller is an Uhlenbrock Intellibox.  The IR LED and the IS471 chip mounted side by side on a small piece of prototyping board. I had to put a shrink wrap tube around the LED to prevent leakage of the light. Actually, I ultimately had to remove this tube and put a much longer one.  Another view of the detector.    
The IR LED and the IS471 chip mounted side by side on a small piece of prototyping board. I had to put a shrink wrap tube around the LED to prevent leakage of the light. Actually, I ultimately had to remove this tube and put a much longer one.

The IR LED and the IS471 chip mounted side by side on a small piece of prototyping board. I had to put a shrink wrap tube around the LED to prevent leakage of the light. Actually, I ultimately had to remove this tube and put a much longer one.


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