Automatic Hand Sanitizer Dispenser

Step 1: Test program logic

code for program logic written in C

Ended up switching to a more powerful motor with a smaller cam attached to it powered by a 9V battery .

Step 2: Create models

onShape model of right side from above onShape model of left side from below

cam and piston design credit to Jeffrey Belbeck, P. Eng. Models created in Onshape.

Step 3: Create the frame and parts using model dimensions

wood frame/structure

All heavy machinery operated by the one and only Jeffy Belbeck.

Step 4: Put it all together & make it look pretty!


cam, select piston parts, drip tray and slide all printed on Jeffy's Creality Ender-3.