Coil Construction


Follow these links to learn about coil winding and to see examples.


I don't think we will be doing anything really dangerous, but be sure to read this safety information on electric shock safety and follow the rules.

We will be using solder. Solder contains lead, which you don't want in your body. Don't eat or drink while working with solder. Wash your hands after working with solder. Do not touch your face while working with solder.

Buzzer Component Tips


Different types of batteries will effect how well a motor or a buzzer works. Detailed battery specifications can be used to really understand how the battery effects your results. You should read the datasheet for Energizer alkaline batteries.

Reference Information

Ten Precious Joules compares energy in different forms.

Boy Mechanic from 1912 has some interesting projects. Some are dangerous, though.

Other Technical Information


By toma