Technology
DIY LM317 power supply

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Here’s how to make a DIY LM317 power supply…

Being able to poke voltages into your projects will help you debug. You can buy an adjustable power supply for $50 or so, or build your own from a kit (another one) Just look for any power supply kit that has a LM317 in it.

You can also build it for $10 using a 9V battery as input and test clips for outputs. This won’t be able to provide a lot of power (cause its just a 9V) but it can go pretty far for testing and debugging

Electronic Equiptment – DIY LM317 power supply – Link.

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