After getting tired of hooking up a laptop to my Jack in the Box prop to tweak settings, I decided to see what I could do with a small backlit 16x2 display and a pushbutton menu design. Anything that needs to be adjustable could be done through this interface, simplifying things.
And I am going 1/4" on all air components to increase the flow rate so the prop can open and close really fast.
Here's the initial pneumatic linkage design:
The Arduino code can be found here and I've uploaded a video showing how the menu navigation works.
Here are some photos of the completed linkage:
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And here's the mask frame where the speaker is, and after the mask is placed over the frame:
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A quick test of the pneumatics using 1/4" tubing in this video seemed too slow for a shock prop. I'm going to upgrade all the tubing and fittings to 1/2" and see how that performs.
Continue to Trashcan Monster, Part 2
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