Low-cost plate shaker
Description
We needed an inexpensive and compact plate shaker for our anaerobic chamber. The Crickit Lab Shaker, remixed by DotScott1, was the perfect inspiration! I modified the original Crickit project to use the same inexpensive electronics as DotScott1's remix, but with a few modifications to fit our needs. The case is changed from three parts to two, with the entire upper part of the case a single print, and with all of the electronics mounted to the top. The bottom case panel now includes places to press-fit neodymium magnets to help prevent the shaker from moving around, and can be screwed firmly into the top case with countersunk machine screws. There's now also a nifty printed 'volume' indicator for the PWM potentiometer. :) To save space in the incubator, these are all powered off of an Amazon USB charger with right-angle USB connectors. I tested to ensure that the charger would supply up to the 1.2 A stall torque for the DC gearmotor. Check the included Excel spreadsheet for order links and prices.
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