Build a one-string magnetic pickup This makes an interesting, single string pickup. This might be useful for instruments with odd numbers of strings, or to make a pickup for each string. The output of this pickup is not very high, probably due to the small coil and the location of the magnet.
Humbucker Color Codes and Switches Here are the color codes for some major brands of humbucking pickups and some ways to use switches with these pickups in order to get the most out of them.