Simply place the tool or object you want to magnetize inside the coil and briefly press S1. The generated single polarity field should magnetize the object if the material it is made to allow.
This traditional version of timer was found in an old English publication. The relay must be of a...
This configuration can be made based on other operational amplifiers. For other frequencies, the...
Here we show how to add a reset key to the monostable using two NAND gates (CB127E). When the key...