Barbra Little Table Lamp November 04th, 2018 - 14:17:37
LED version, the portable version, the battery-powered version and just take you through what I do with that one and show you the main differences. So this is the light here and looks extremely similar to the large one that I did a few episodes ago, but, as you can see, on the back, the main difference and really the only main difference is the fact that this one's battery power - it's got. 3. 18 650 batteries in there providing roughly 12 volts so when fully charged, these are about 4.2 volts each when they're virtually flat they're around about that 3-volt mark.
So this will run from 9 through to about 12 points 6 volts, which is nice and convenient for those LED. I simply have two wires coming in here. Exactly the same as they are the larger LED panel build just those two wires come around. The back connects up to just a little terminal block. One wire goes off through the switch just to switch in line, and then you have the battery bank again. The batteries are wired up in series to be able to give you the 12 volts.
So the wiring diagram for the portable light is fairly simple. The negative comes in from one side. The right comes in from one side into the terminal block, either the negative or the positive doesn't really matter goes to one of the poles of the switch and then the other wire goes to either the positive or the negative, depending on which one you've chosen.
The other side of the terminal block simply connects to the positive or negative, whichever ones left over. In my case, the left side is the negative side and the 18 650s, as I mention and wired in series, so just make sure you've got your positives and your negatives connected to each respective side, giving you a 12-volt battery, so nothing to it switch is just hot glued to the back of that panel, I use 18 650 battery holders they're just a little bit easier than trying to make up your own sort of battery holding device.
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