How to make a USB flashlight? A very easy way to make necessary household device – flashlight.
Insert our flashlight to the computer USB connector and you can work at night!
To avoid burning of LED you should select nominal appropriate voltage for USB 4,5-5V, or add to the scheme line-dropping resistor with resistance of 100 Ohm.
Pleasant viewing!
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Welcome to my channel Roman UrsuHack where you will learn how to make hand made crafts, New Year crafts, presents, toys, Halloween scares. The main thing is that one can make it at home and with one's own hands.
You are interested in handiwork, craft or you just have nothing to do, haven't you? You have found the channel you really need. Here you can find lots of crafts, hand made items, and the main thing is that they all made of make-shifts and at the lowest cost!