Arduino ascom telescope focuser myfocuserpro2 with eqascom. Crayford focuser from optec mechanically, the tcfs is a robust crayford style motorized focuser with high repeatability, no play and nearly zero backlash of. Why is robofocus better than careful hand focusing. Building a ascom compatible focus controller using an arduino board. The firmware will be uploaded to the arduino board. Apr 23, 2020 download arduino ascom focuser pro diy for free. This was built using visual studio 2010 and you will need the ascom platform 6.
The production load test setup consists of an atlas focuser horizontally mounted to a fixed base and loaded with a proline camera at the end of a 10 long aluminum tube. Orion accufocus electronic telescope focuser orion telescopes. It is also possible to download the ascom drivers at this link. To control the feathertouch motorized focuser with a personal computer running ascom compliant telescope camera control programs, you will need to download the latest ascom platform available free at this link. You will be charged as soon as the distributor receives the order usually within 24 hours. Ultimately, i would like to make this ascom compliant. Please note, it will not work with two single port controllers. For the love of physics walter lewin may 16, 2011 duration. Agena synta vixen style dovetail mounting base shoe for finders m4 screw for gso crayf. If it is shaky or jumpy when the draw tube is racked in or out or flexes when heavier eyepieces or accessories are introduced, your focuser can make observing almost impossible.
This is an arduino based motor focuser with ascom driver on the pc side. The problem with the arduino is that when software connects to its serial port, the dtr line is pulled low, which resets the arduino this is a feature, necessary to implement programming the atmega chip. To download and print instructions for the 3d printed parts have a look at the thing. A manual operation by utilising the digital encoder on the side of the controller simulates the knob of your real focuser.
Ascom and arduino diy astronomer stargazers lounge. The leds simply indicate whether i pushed a button or it got stuck or, the important thing, whether im approaching a high or low limit and im about to shear my focuser shaft off. This meant you just had to program your ascoj board with his code and the official moonlite ascom driver would attach to your arduino and just work. This ioptron electric focuser efocuser is designed for ioptron photron tm ritcheychretien rc telescope dualspeed focuser. This is just a stepper motor, an arduino uno and a motor shield. Arduinobased motor focuser controller the author had written an arduino sketch that emulated the serial protocol used by the moonlite ascom driver. Software ascom telescope driveron step firmware the current stable onstep ascom driver, version 1. You can use the ascom moonlite focuser driver to control the motor. This meant you just had to program your arduino board with his code and the official moonlite ascom driver would attach to your arduino and just work.
All such applications talk to telescopes using the common ascom interface. The eq focuser features a very simple interface and manual controller. This is an ongoing project, so be sure to check the site for updates. It has a suggested control protocol thats easy to implement in an arduino. Sgl focuser control telescope focuser control software for the arduino board and a visual basic ascom driver for windows. With the eqmod ascom driver, the user will be able to control the modded eq mount using any ascom based astronomy software at 0. Diy ascom focuser for telescope sky optic by fdoffin.
The introduction to developing an ascom driver pdf in the ascom platform developer documentation has a worked example of a focuser driver. Cheap focuser ascom 28byj48 for skywatcher quattro200p by. Whether you need a basic rackandpinion telescope focuser for your homemade telescope project or a premium crayfordtype model with dualspeed focusing as a performance upgrade, you have come to the right place. It works with moonlites dual port dro display controller only. Jan 28, 2018 for the love of physics walter lewin may 16, 2011 duration. Now, i suspect that most of us have an ascom mount prior to getting the focuser or filter wheel. Focusaaf2 a simple winforms client application to drive the focuser. Economic and easy to implement focuser kit hires astro. The controller can be operated by pc using its usb2 connectivity. I have a moonlite focuser for my refractor, and a lot of arduino. Telescope focuser control software for the arduino board and a. Starlight instruments when only the best focusers will do. In accordance with directive 2011 eu, and regulation no. The focuser is the link between the telescope itself and the eyepiece or camera.
So, spin the knob, count how many ticks went by and multiply it by which buttons are being held and add them to a running tally interrupt driven so i dont miss ticks. Oct 26, 2016 ascom telescope focuser with arduino posted on february 20, 20 october 26, 2016 by jolo another step has been made to have automated astrophotography setup the focuser. Arduino ascom telescope focuser myfocuserpro2 with. Free download page for project arduinoascomfocusers dallastemperature. Jul 23, 2019 micro focuser all models drivers for all models of the micro focuser line of precision focusers. When i open bye on the outdoor laptop the cheap low resolution one, it shows the focuser i dont have but, there isnt enough space to show the telescope meaning that i have to click on. I ran the four wires from these two motor ports to the pins xscom a. The serial protocol is compatible with moonlite focusers, so their ascom drivers and supporting software can be used. I havent tried building it with any of the free express versions of vs. Using the pushbutton hand controller youll enjoy smooth, precise focusing, without vibration. I have a working device based on an arduino nano and associated sketch. Telescopemount drivers ascom standards for astronomy. Ascom robofocus focuser driver free download windows. I now have the focuser working in windows 7 with ascom 6.
I ran the four wires from these two motor ports to the pins xscom a female db9 connector. Ill describe the basic connections and setup, details left up to you. Removed the dependency on the accelstepper library i didnt feel i needed this. I notice that focuser and filter wheel come before telescope. Gso 2 crayford focuser for refractors dual speed with 86. Arduino based motor focuser controller the author had written an arduino sketch that emulated the serial protocol used by the moonlite ascom driver.
The diagram below shows how ascom differs from traditional astronomy instrument control architectures. All of our products are made in house in the us and are designed and machined with state of the art machining and turning centers producing outstanding quality and finish. Arduino ascom focuser mark2 diy astronomer stargazers lounge. Micro focuser all models drivers for all models of the micro focuser line of precision focusers. This is a simplified version of the arduino focuser, no rotary encoder. A wide range of astronomy applications are needed for successful imaging. Adaptation pour focuser hybride sky optic sur newton orion 200mm utilisation dun moteur nema11 courroie gt2 188dents gt2 16dents gt2 36den.
With the orion accufocus electronic telescope focuser, those annoyances are a thing of the past. Ascom robofocus focuser driver platform 6 returns to a single installer for the whole platform, removing the need to install an update on top of the core platform and introduces a number of device interface changes to bring consistency to the information available. Crayford focuser from optec mechanically, the tcfs is a robust crayford style motorized focuser with high repeatability, no play and nearly zero backlash of only 33 microns 0. Arduino based telescope focuser this sketch implements telescope focuser controller logic for a stepper motor and a pololu drv8825 stepper driver board. A manufacturer of premium of traditional crayford style focusers and worm drive 2 axis rotating focusers. This is my first experience with an arduino project. Diy telescope remote and autofocus project for astrophotograhy with nebulosity. A popular diy ascom focuser with more than 92,000 downloads. We are your source for astronomy telescopes, eyepieces, astroimaging cameras, and more. How to install the celestron focus motor quick version duration. Continuous real time autofocus sharplock and focuslock.
Ascom is a manytomany and languageindependent architecture, supported by most astronomy devices which connect to windows and now linux and macos computers. Dec 15, 20 the introduction to developing an ascom driver pdf in the ascom platform developer documentation has a worked example of a focuser driver. Ascom robofocus focuser driver free download windows version. Links to the project are at the bottom of this page. They use similar commands and one ascom driver works with all. Motorize a telescope focuser with a few euros of expense and in a fast way it. Arduinobased telescope focuser this sketch implements telescope focuser controller logic for a stepper motor and a pololu drv8825 stepper driver board. The focuser can be controlled manually or by using ascom that astronomoical applications use for observation or taking astrophotography. More about telescope focusers orion telescopes stocks several telescope focusers designed with precision and durability in mind. Originally i made an adapter to attach the stepper motor to the moonlight focuser on my c11, but now that im imaging through the at6rc i have adapted it to the astrotech focuser.
If you press it, speed of the motor will be reduced to 1. This driver provides both telescope and focuser interfaces each of which may be used by separate programs. To use your focuser with focus software youll need to install ascom and download. This electric focuser will also fit other rc scopes such as gso, tpo from opt, astrotech. This architecture applies to both windowscom and crossplatform alpaca technologies.
I have lots of experience with computers, some electronics, and no coding. At first, the focuser moved inward by about 170 microns in 12 minutes, then outward by 200 microns or so in 10 minutes, before eventually traveling inward again. Arduino ascom focuser mark2 diy astronomer stargazers. Turn the knob as it is the knob of your telescopes focuser. This is an ongoing project and i will document my progress on this page. I decided to built my own ascom controller focuser based on arduino board. I added support for the tmp36 so i could have a temperature reading from the focuser. Ascom compliant focuser 2 tcfs for sharplock focuslock. Now you can focus the telescope by pushing a hand controller button. Focusing a telescope by hand can cause the image to shake or even move completely out of the field of view, especially at high magnifications. Ascom telescope, focuser, filter wheel views backyardeos. This project is to build an ascomcompliant telescope focuser. Ascom telescope focuser with arduino posted on february 20, 20 october 26, 2016 by jolo another step has been made to have automated astrophotography setup the focuser. The robofocus stepping motor and typical bracket weigh about 15 ounces.
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