Hi guys. I have a simple circuit that is giving me a bit of a headache. I do not have a picture nor can I get my hands on one that you would be able to see anything of use from, however it is so simple that I can describe it exactly. +5V --> Reed Switch 1 --> Reed Switch 2 --> Reed Switch 3 --> R…

Reed Switches with a laser

6v6gt November 19, 2017, 3:23am 4

Is the laser 5volt or have you put a resistor somewhere in series with it? If so, where?

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