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 source is indicated for the power of the digital multimeter of the CIR12007, but it can be...
This 1967 Electronics World circuit is suitable for frequencies up to 1 MHz. The setting applies...
This circuit was found in a Popular Electronics from the 90's. The operating curve is given next...