Cover for IR Height Sensor. Where don't work the Sensor?
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I use from a lot time the IR sensors, works well and no problem with the config.
But sometimes when a print fail some remains/waste of filament touch the "little less of the sensor and broken this....
So my idea is do a cover where never a waste of filament touch the leds, but of course, i need "open" the side where the led detect with some material "no detectable for led IR"....
This side "open" with than material i can put than the led detect the bed and not detect this cover?
PMMA transparent will be ok?
PC transparent will be ok?
I'm not sure that any transparent material at all will work, because you will get reflections from both surfaces. If you want to try it, I suggest you try a piece of thin acetate sheet (like the stuff that used to be used with overhead projectors) placed right against the IR diodes and phototransistor.