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DIY screwdriver lighting


Most modern screwdrivers sold in stores are already equipped with a backlight that turns on automatically with the tool. But what if there is no such function in your screwdriver? Of course, you can make it yourself, especially since you can do it literally in 10 minutes from improvised parts.



To make the backlight we need:



  1. Simple graphite pencil.
  2. A small motor from a DVD, a toy or a trimmer.
  3. Office gum.
  4. LED, you can drop out of a flashlight or lamp.
  5. Hot glue and soldering iron


Backlight assembly



First of all, you need to saw off a small part from the pencil, which will act as a housing for the LED.




Then we clamp the pencil in a vice and drill the inside, the drill can be taken along the diameter of the graphite rod. But if you manage to remove the core without drilling, it’s also good, it happens that they come out easily if you put the pencil on the core against something hard and push it. The wires from the LED will be passed into this hole.




Next, take the motor and thread the wires into the hole in the pencil. Wires should be more authentic, if they are short then additional need to be soldered.




Soldered wires are soldered to the legs of the LED, which does not matter where to solder, since the motor will generate an alternating voltage. By the way, the motor in this design acts as a voltage generator.




We coat the base of the pencil with hot-melt adhesive and thread the wires into the hole, we put an LED on it,




Next, take a motor and put a plastic pulley on it. Typically, toy motors have one.



Now install the entire structure on a screwdriver. To do this, apply hot melt glue to the top of the screwdriver, the motor pulley should look out onto the moving part of the cartridge, then glue it and wait until the glue cools down.





Then we do the same with the LED, but now at the bottom near the button. We apply hot-melt glue and glue the workpiece in its place.



Now it remains only to connect the motor to the cartridge, for this you will need the usual clerical gum.We dress it on a pulley, and the other part on a movable cartridge, it turned out something like a belt drive.




Now, when the screwdriver is turned on, the cartridge starts to spin, thereby driving the motor, the current will start to be generated and the LED will light up.




It shines brightly enough, enough to illuminate the work area with lighting deficiencies. The main thing is to take a good and bright LED, so it is recommended to remove it from a flashlight or lighting lamp.

That's all, I advise you to collect this homemadebye everyone!
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7 comments
And if you turn in the other direction.
I soldered the LED to the motor, you turn the shaft, the LED will blink. I gave it to a small child. What he did ? correctly, clamped the shaft into a screwdriver and enjoyed the glow. scratch
The gum will stretch or fly off. And it’s also “very convenient” that it shines only when the engine is switched on at considerable speed, that is, you cannot put the drill into a poked point and drill, but you must hit the point with a rotating drill, not to mention that in the screwdriver mode it will still more fun.
And then how to work with him, this motor will fly to hell) and all this is hemorrhoid, it’s easier to put a resistor)
The main thing is to take a good and bright LED, so it is recommended to remove it from a flashlight or lighting lamp.
Instead of coming up with a convenient mount for that flashlight, do you need to disassemble it for the sake of this freak?
Well cool, Free energy and all that, yo ...
Having a huge (if we consider it in terms of powering the LED) battery, to make a generator fake is some kind of perversion.

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