Led cube 8x8x8
A year ago i had start this beautiful project, with condition to be finished at most a month. It was contradict. I…
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A year ago i had start this beautiful project, with condition to be finished at most a month. It was contradict. I…
It is a very usefel multimeter that must not missing from any laboratory With this useful meter you can measure…
Digital LED voltmeter tnx to the publisher You can see here a digital meter using the very popular IC 7107.…
My friend and i was needing a led blinking from 230V. Withoutt transformer ,without pcb ,just a led and few…