Variable Speed Shake Table

Supplies

• Speed Controller: https://www.amazon.com/gp/product/B007TH4EN6/ref=oh_aui_search_detailpage?ie=UTF8&psc=1
• Motor: https://www.amazon.com/gp/product/B00FHEYN7A/ref=oh_aui_search_detailpage?ie=UTF8&psc=1
• Switches: https://www.amazon.com/gp/product/B00A0BAYR8/ref=oh_aui_search_detailpage?ie=UTF8&psc=1
• Plugs: https://www.amazon.com/gp/product/B00FEOB4EI/ref=oh_aui_search_detailpage?ie=UTF8&psc=1
• PocketLab Data Recorder:  thepocketlab.com

You'll also need:

•  a couple sheets of plywood (Mine are 70cm X 50cm and 50cm X 50cm)
  
• ~50cm of 1/8" metal rod to make the pushing mechanism.
• a 4" PVC end cap
• a drill w/ various bits.
• 4X carriage springs
• Wood dowels that fit inside of carriage springs

#shakeandbreak 6th period pic.twitter.com/GKtl5kQ3MP

— Ryan Hollister (@phaneritic) February 28, 2018

Updated 3/23/2018.  
This is my attempt at building a shake table

I used an old FireStick box to house my controlling unit.

View of the controller guts. The wires on the right are from the power supply. Wires on left go to the motor.