Barn Door Tracker Arduino

You can however make a 6 wide board and use a 4 hinge but you may give up some stability. Arduino stepper motor control john barton wood april 4 2014 at 8 10 pm. Hi i am a retired electro optical and controls systems design engineer having also served an apprenticeship as an optical instrument maker in the early 60 s.

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David hash s arduino barn door tracker university student david hash now an aerospace engineer updated peterson s build with an arduino pro microcontroller 1 8 stepper and pololu microstepping driver board to give 3 200 microsteps per rotation figure b.

Barn door tracker arduino.

The arduino board and additional circuitry can be powered with a 7 2 volt nicd battery for portability or a standard plug in power supply. Then i let it run with my tracker for a while and did some least squares fitting to see how it was working. Calibrating the barn door tracker with a digital level. So i measured a nice and constant 7 255e 5 radians second over 10 minutes.

Assembly setting up your door tracker. Note also the red dot sight for alignment. Arduino controlled barn door star tracker 30 mar 31 2015 05 33 pm. 19 thoughts on building a barn door mount part 1.

Eurotrax on mar 30 2015 01 03 am. Arduino controlled barn door star tracker read 12523 times previous topic next topic. No arduino no stepper motors no gears just a simple motor turning a threaded rod this barn door tracker rotates your camera at the exact same rate as the rotation of our planet a requirement for taking long exposure photos. That means we want to spin our barn door tracker at a rate of 360 degrees every 24 hours which comes out to be 0 25 degrees per minute.

Cut your two blocks of wood pieces into 13 x 4 pieces. The arduino board and its associated shield are mounted on the base of the barn door tracker. Acquired data with least squares linear fit.

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