Posted in 3d Printer hacks, Arduino Hacks Tagged arduino, plotter, servo ← Haptic Feedback “Rifle” Lets You Take Aim In VR Ham Antenna Fits Almost Anywhere → ...

Being only ten at the time I was unable to build the thing and, now that I’m 40, I still can’t fathom how to build this DIY CNC plotter out of a DVD player and some Arduino gear.

Arduino pen plotter and laser engraver 10:47 am October 31, 2019 By Julian Horsey ...

My CNC is built from 2 DC servo motors for X, Y axis and 1 stepper motor for Z axis.” Watch this video on YouTube. “Motor voltage: 24 VDC, 38 VDC (E-type).

The Arduino Servo Cat-a-pult looks to automate this rather annoying daily task. A pressure sensor mat — placed in front of your cat’s food dish — activates the device.

Last Updated: 7/27/18 Teaching Standard: In this fun project an ultrasonic distance sensor is used to detect a “target” (i.e., a person, a cat, a burglar, etc.). The Arduino illuminates (blasts) the ...