Electric Guitar Pickup

Figure 1 Electric guitar pickup is a device that detects mechanical vibration of strings in a guitar and converts them into electrical signals. The unit shown above is sensitive enough to work without any electrical amplification.

Description:

1. Coils are made of copper wires with 0.004 inches in diameter and with totally 3k ohms resistance.

2. Spools are 3D-printed. See files below to get the exact dimensions.

Guitar Pickup Spool (prt)

Guitar Pickup Spool (stl)

3. Assembly: Two coils are wound in reverse direction to each other with two button magnets placed opposite in polarity on each winding.
Electric Guitar Pickup Theory (from buildyourguitar.com/resources/lemme)