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I need to connect a laser to a microcontroller and I'm not sure what the best approach is. I intend to use a cheap off the shelf laser. I suspect that the laser may draw to much power to be powered by the microcontroller itself. Anyone have any experience with this?
Do you need a schematic for this?
It was on constantly (even when it wasn't supposed to be) but it got brighter when power was applied to the transisor. Suggestions?
they are easy to use, and a laser malfunction won't damage your micro!It's also a good idea to use these with serial port/USB diy projects, your ports will be safe from little errors that could damage them...