Building a Hall Effect Gear Tooth
Sensor
Figure Five: The complete Hall Effect gear tooth sensor
assembly
Figure Seven: The bottom view of the Hall Effect gear tooth sensor
showing the 2-56 assembly nut glued to the bottom of the circuit board.
The 2-56 nut was glued using five minute epoxy.
or
a
Ferrous Object Position
Sensor
Figure Six: This figure shows another way the magnetic circuit can be constructed using three
small magnets from K&J Magnetics, www.kjmagnetics.com, and a small steel pole piece.