The Arduino Uno board detects the tattoo artist’s gestures via a distance sensor, and signals the machine with an on or off output. Watch this video on YouTube . Source: AH : WTech ...

[Jean-Noel] is fixing a broken Lurem woodworking machine. This machine uses a three-phase Dahlander motor, which has three operation modes: stop, half speed, and full speed. The motor uses a… ...

However, the Arduino compiler tends to convert smaller switch/case structures into if/then assembler. With Arduino C, small if/then state-machines generally come out smaller a switch/case version.