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.
Barn door tracker arduino.
To do that better results are obtained when you track the rotation of the earth and the simplest of these methods is by using a.
Hi the winter nights are on me and my mind has turned to getting good images of the milky way and other faint objects.
Assembly setting up your door tracker.
19 thoughts on building a barn door mount part 1.
Cut your two blocks of wood pieces into 13 x 4 pieces.
So i measured a nice and constant 7 255e 5 radians second over 10 minutes.
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.
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.
Note also the red dot sight for alignment.
Acquired data with least squares linear fit.
Calibrating the barn door tracker with a digital level.
Arduino stepper motor control john barton wood april 4 2014 at 8 10 pm.
You can however make a 6 wide board and use a 4 hinge but you may give up some stability.
I know the arduino will be able to handle the stepper motor with a stepper motor driver but is the arduino uno powerful enough and have enough inputs for adding a lcd screen to it and some buttons for changing input values.
I want to use my arduino uno to control a stepper motor for a barn door tracker.
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.
The arduino board and its associated shield are mounted on the base of the barn door tracker.
Star tracker using 28byj 48 stepper motor arduino and lcd display to vary speed.