Just put your mug on the coaster, and the weight of it activates a hidden switch, which causes ... [MakeFunStuff] paired this easy-to-use sensor with an Arduino Nano and five LEDs that show ...

We’re used to thinking of limit switches as a mechanical device that ... [Anthony] chose to use an Allegro A3144 sensor. Apparently it is no longer in production but was easy to find for ...

Engineer in Wonderland CNC-related blogs are indexed here Something that is missing when they are bought is automatic end-stops, although the ‘Woodpecker’ control board that comes with the machines, ...