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Header: Hal-Zuzzu Model Railway Build Blog |
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| Published: Friday, March 18, 2022 | ||||||
| Post: #115/174 - Views: 45006 |
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Changed method of use for my OPTO sensors. I had installed the OPTO sensors inside a tunnel-like structure. The idea was it is so much easier to move this to a new location rather than mounting them under the board. All I would need to do is loosen the two screws at the bottom and slide the structure to a new location. 
It was working perfectly until I realised that different heights on locos was a different result on the sensor. Also, most running stock roof tops were black and were not always detected from above. I had white electrical tape on some locos and they did not look the part. I placed small pieces of styrene in wagons, but not all my trains had wagons. Something needed to change. 
So, I made these aluminium brackets to mount my OPTO sensors on and in turn mounted them to the underside of the board. 
I could have simply mounted them flat on the underside, but history thought me that I need access to adjust these sensors while in place. They are extremely sensitive to the touch of a tiny Phillips screwdriver, so adjusting them in place is key. 
This is what they look like now. 
and this is what the underside looks like. Hmmm, I need to cut some slack on that wire 
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