WonderCube - The 1 cubic inch wonder device that packs all your smartphone accesories into one compact gadget that fits on your keychain.
Two cdroms and one floppy drive make up this cnc machine made from old computer parts. Mach3 controlled each of the three bipolar stepper motors. An Arduino mini controlling an LED srtip.
waterjet cutting - Google Search
Wire Limit Switches to JK02-M
Laser cutting with 1 watt laser
Driving several types of relay board using any Arduino.
Arduino Relay Tutorial | Driving several types of relay board using any Arduino - CLICK HERE for Tutorial https://www.arduino-board.com/tutorials/relays