Ever needed a power supply that just, well, works on your terms? Imagine this: you’re in your workshop, deep into an electronics project, and you wish your power supply could give you just the right voltage, no questions asked. And better yet, what if it turned itself off when you’re done? That’s where this DIY Variable Power Supply with Auto Shut-Off, with the trusty LM7805 at its heart, comes in. It’s your reliable “set-it-and-forget-it” friend for every hobbyist in electronics. So, what’s all this about? Think of this that way:…
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