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As mentioned earlier, I cannot open up the machine due to warranty issues (1 year gone, 4 years to go). Hence cannot gain access to original LED wiring or change resistor values.
However I can stick anything I want to the outer body. I am trying out the circuit suggested by HTA. Due to my...
Hi...
I am trying to modify a machine at our factory.
It gives a feedback in form of single basic Green and Red LED (3V 10mA each). Since it is housed inside a box, the workers find it difficult to see it and hence had quite a lot of rejections.
I would like to use an optical relay / LDR...
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