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It was great to experience Experimental Classroom and Lighting Vassar’s presentations and the evolution of their projects.
Moving forward, we’re finishing up our prototype. The rest of the parts required to build the final structures have been ordered and programming is going well. This coming week we will be constructing the final project and tying everything together into a succinct and functional project.
Vertical sheets of Plexiglas support the weight of the motors and copper.
The structure is made out of Plexiglas with metal support gliders for the actuators.
Grey tinted lexan polycarbonate
0.417 pounds of copper per motor
Visiting Autodesk’s BUILD space on Tuesday got us thinking about laser cutters. This week we’ve been pondering nonlinear, nonrectangular shapes for the project to take advantage of the laser cutter’s capabilities. Also, talking with Ashay Sharma reinforced the idea of the project having a functional impact to the community beyond providing artistic beauty. Whether that function is providing real time wind currents or something else is yet to be decided.
One row:
The Major Components:
Stepper motor — using NEMA 17 Stepper motor (40oz-in –>2.5 pounds) as of now
NEMA 17 Stepper Motor 40 oz-in
Motor driver — Was going to use the TLC5940NT’s I have from before, and just add H-bridges, but in order to save pins on the arduino boards I’m switching to Easy Drivers.
Arduino — One Arduino Uno to control each row so each motor can be controlled independently. To get around the limited ground pins I’m just going to cut up dupont jumpers and solder them back together in a Y.