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VU meter DIY kit with LEDs | LM3915N-1 LED driver

This time I bring an electronic kit for beginners, this is a very cheap and interesting device that displays audio levels ...

The 8 Best LED Face Masks for Smoother, Firmer, and Clearer Skin, According to Beauty Editors

Why we love it: Of every LED mask we've ever put on our face, this is hands-down the most fancy. It has 770 LED bulbs, emits ...
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How to make a servo tester using ATtiny85 micro chip

Making a servo tester using an Attiny85 micro chip, Attiny45 also works for this project. This diy servo tester is as good as ...