The four displays are controlled by a single controller board, which houses an NXP K22FN512 microcontroller along with four stepper drivers and interfaces for the Hall-effect sensors needed to ...

[Anthony] decided to try a different route with this project. He built this set of no-contact limit switches using a hall effect sensor. The small black package sticking out past the end of the ...

It uses Magnetic Jade switches, which are well known for being some of the best Hall Effect switches you can ... that it will ...