Neodymium magnets are extremely useful in the household. They are made from the rare earth metal neodymium, with the addition of iron and boron. Such magnets are appreciated for their high power, attraction and stability of the magnetic field, as well as resistance to demagnetization. Many are looking for where they can be purchased. In fact, neodymium magnets can be easily tinkered with your own hands, if you wish and a suitable screwdriver.
1. Old headphones
The first and easiest place to find a small neodymium magnet is in old headphones. We arm ourselves with a suitable tool, disassemble the outdated accessory, and get a very useful magnet for use. The entire extraction procedure will take a couple of minutes. Depending on the type of headphones and their manufacturer, magnets may differ in strength and shape.
2. PC hard drive
The second place where you can find a very powerful neodymium magnet. Disassembling the disk will take no more than a few minutes. It is worth remembering that in this case, the neodymium magnet will have to be knocked down with a screwdriver (or other suitable tool), since it will most likely be glued onto it. The most important thing is to do it carefully, because magnets are very fragile.
3. Old CD / DVD drive
Another popular way to get hold of a neodymium magnet is to disassemble an old CD drive. In this case, the magnet is in the optical head. You will have to get it. This method is remarkable in that it will be possible to get not one, but two small neodymium magnets at once. The magnets from the drive are (most often) rectangular in shape.
4. Stepper motor
If you do not have average knowledge of electronics, controller board, interface board and an urgent need to install and run a stepper motor somewhere, then you are a happy person! Because it has every moral right to run a stepper motor under a screwdriver without remorse.
Jokes aside, it's worth adding that removing the magnets from the motor is the hardest part. The risk of product damage is high. At the same time, there will be two magnets in the motor. Most often, such units are used in all kinds of office equipment: printers, scanners, copy machines.
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Continuing the topic, we understand why some housewives hide a magnet in a foam sponge and does it really help.