Barn Door Tracker Arduino

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.

Then i let it run with my tracker for a while and did some least squares fitting to see how it was working. Note also the red dot sight for alignment. 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. Arduino controlled barn door star tracker read 12523 times previous topic next topic.

So i measured a nice and constant 7 255e 5 radians second over 10 minutes. Calibrating the barn door tracker with a digital level. The arduino board and its associated shield are mounted on the base of the barn door tracker. 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.

Eurotrax on mar 30 2015 01 03 am. 19 thoughts on building a barn door mount part 1. Arduino stepper motor control john barton wood april 4 2014 at 8 10 pm. Assembly setting up your door tracker.

You can however make a 6 wide board and use a 4 hinge but you may give up some stability. Acquired data with least squares linear fit. 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.