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Basically, you need: laser diode (LD) collimation optics current regulator (aka driver) power supply heatsink something to house all the electronics (project box is ok for a first ...
You need: soldering iron solder DMM (digital multi meter, even the cheapest works fine) some wires (the more flexible the better) small pliers other useful tools: tweezers vice ...
Here you have 2 options: either to get a DVD drive for pc and extract only the diode assembly (aka sled). or buy just the laser assembly from ...
This is needed to make the actual laser beam. Without this lens, you would have just a very wide, useless spot. The most common colimator is called Aixiz ...
What's this? This is used to regulate the current flowing through the diode. Do I need this? YES! You must NEVER connect the LD directly to the power ...
Most beginners use 9V battery to power their first build, but 9V batteries have very small capacity and can't supply high currents (>350mA) for long times. Laser with ...
The last thing you need (or you should have) is the heatsink. Just find some small heatsink (good heatsinks are usually inside old CRT monitors), on which you ...
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