Dual Axis Solar Tracker
by OpenSourceClassroom, published
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Here is a simiar project with no printed parts:
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You did a great Job on this project and have provided me a great idea that I wanted to share. Why not inverse the horizontal gear from the outside of the base to the inside? Place the stepper motor under the column created. This would minimize your base foot print and may even allow you to mount the whole slew gear onto a poll. I like it because it expanded my mind to what is possible. You helped me greatly by providing the "spark". Thanks!
Hi there, I was wondering if you could post the Inventor file for the vertical servo gear. I am going to add a small hole in the center of the gear so I know exactly where the center is when adding it to the servo
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Print all parts.
Attach horizontal servo motor to tracker base before attaching the horizontal gear or you will have trouble with tool access to get the motor mounted. The vertical servo gear should be ok to assemble first due to the smaller size. To mount the gears to the servo motors, I cut tiny brass nails just a bit smaller than the thickness of the gears and made little groves on the nail to give a rough surface for the plastic to bond to. I then used a soldering iron to heat the nail and fuse it through the white servo gear attachment and then into the plastic gear. Makes for a nice, clean installation. Just make sure that your gear is exactly centered when you mount it to the servo.
Attach motors, gears, and panel mount.
Hook up wires according to schematic.
Load program into Arduino and test it out.
Depending on the light that you use to move your tracker around, you might need to change the resistor size on breadboard (they should all be equal value, higher value resistors for less light).
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