Hall Effect Limit Switch

Miniature low voltage thumb controlled 4 way hall effect switch.

Hall effect limit switch. Homing sensor arduino sketch. The hall effect is the production of a voltage difference the hall voltage across an electrical conductor transverse to an electric current in the conductor and to an applied magnetic field perpendicular to the current. Hall effect proximity sensor flange mount 55100 series 3 wire 59 g 3 8 to 24 vdc check stock lead times 299 more will be available on 12 10 20. Contactless bounce free hall effect technology provides precision control and long life operation.

The hardware setup for this experiment is identical to the limit switch demo except you only need one hall effect switch. For clarity the original effect is sometimes called the ordinary hall effect to distinguish it from other hall effects which have. I decided to pursue a limit switch based upon a hall effect sensor and the following is what i learned along the way. It will turn off if the north pole is applied to the face or the power is turned off.

The heart of every micro switch hall effect de vice is the integrated circuit chip that contains the hall element and the signal conditioning electronics. It was discovered by edwin hall in 1879. You can disconnect the hall effect switch from pin 2 of the arduino or you can just leave it alone and ignore it the sketch will only be looking at the switch on pin 3. Miniature hall effect switch stick.

A hall effect latch works like a switch but will stay on when the magnet is removed. Although the hall effect sensor is a magnetic field sensor it can be used as the principle component in many other types of sensing devices current temperature. The effect of generating a measurable voltage by using magnetic fields was discovered by dr. Self centering device with no mechanical switch components to worry about degradation over time.

A hall effect switch will turn on in the presence of south magnetic field on its face or north magnetic field on the opposite side.