On the non-contact power supply of LEDs on the cooler blades

Once I read an article on Modding.ru about the contactless powering of LEDs on the blades of a cooler and decided to make myself the same miracle of nature. In addition, the cooler is not just glowing, but with an advanced strobe effect. I recommend. So, first buy a large cooler 120 * 120, preferably black. Remove the impeller: to do this, remove the lock washer, worn on the axle. Save the puck - you will need to return it later.
Then we wind 50 turns of a wire 0.8 mm thick on the cooler, fix its ends. These conclusions will be powered.
Next, we wind 50 turns of wire 0.2 mm thick on the impeller and coat it with superglue.
Now you can take on a very important procedure - placing the LEDs on the blades.It is better to take SMD-LEDs, but the usual super-bright ones will do. We distribute 7 LEDs along the blades, keeping the impeller balance, and connect them in series. The ends are soldered to the winding on the blades.
After that, make the breaker to power this system. Scheme attached. Details are easy to find in stores.
We connect the leads to the power supply and enjoy the stroboscopic effect, which can be changed with a variable resistor.

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