Free Sketchup 3D Models
These are 3D models is the Sketchup format. Sketchup is a free 3D modeling program great for woodworking. You can download the program from the Sketchup website here - Sketchup
Free STL files for 3D Printing
These are 3D CAD models you can download and 3D print. Files are hosted on Thingiverse.
Everything on this page is free. I do not charge anything for these 3D models. However donations are appreciated. If you wish to donate, you can use the Paypal donate button below. All donations will go 100% back into Justin Depew Design to create more projects & content.
Raspberry Pi Code - for Automatic Dust Collector
import RPi.GPIO as GPIO
#Trigger Switch & Relay Set Up
GPIO.setup(18, GPIO.IN, GPIO.PUD_UP) #Read output from switch
GPIO.setup(16, GPIO.OUT) #Relay output pin
if i==0: #When input from switch is LOW (grounded)
print "switch is pressed"
GPIO.output(16, 0) #Turn on Relay
elif i==1: #When input from switch is HIGH
print "switch is not pressed"
GPIO.output(16, 1) #Turn off Relay