diy motorized telescope focuser

I'm planning on using this motor: http://www.amazon.com/gp/product/B002R0DQCU powered by 2 AA batteries. 3D Printer Wanhao Duplicator i. save download thingiverse. Astrophotography for Amateurs presents equipment and techniques, features practical hints and tips from the experts, including coverage of traditional "wet" photography, CCD imaging, and computerized image enhancement. Firstly, unless you have a slot for the nunchuck peculiar pin, cut the nunchuck wire. This is a simplified version of the Arduino Focuser, no Rotary encoder, no keypad, no LCD readout. Search: Diy Motorized Dobsonian Mount. DC motor installs easily and works with many Celestron, Skywatcher, meade and Orion telescopes. be warned that you must not tip the telescope down toward the table with the focuser knob removed — the knob is all that . I have built a homemade electric focuser for my Celestron 8SE using a radio control hobby servo and some spare parts. Although this book is highly comprehensive, it is suitable for beginners – there is a chapter on "Astronomy Basics" – and experts alike. In particular, you can power arduino by pin on pin 30 (refer to arduino website for further infos). Download Arduino ASCOM Focuser Pro DIY for free. Wanna add a motor to drive your telescope focuser ? Since this is a DIY project on the cheap, I am unimpressed with the prices for a motorized unit. Pololu A4899 or DRV 8825. The motor is a 3.15v Sanyo stepper motor salvaged from a printer or scanner. ... One question. Meade 1244 Electric Telescope Focuser Gear, Mounting Plate & Hardware Parts NEW! Metal 1.25inch R&P Astronomy Telescope Focuser Rack Pinion fit Refraction Type. The Problem: Many people, like me, have built Crayford type focusers similar in design to the two drawings below. I have spent much time . Finally, you have to regulate the screw on the dcdc step down in order to let it output the right voltage (see the picture). In addition to that, I reattach the electric scheme so that it will be useful to you to double check the connections before solder. Magnetic field is now rightward and rotor north pole is right side. Choose speeds from coarse to very fine with the adjustable speed control knob. Concerning the Nunchuck, if I were you I would use its joystick to control the mount, and its two buttons for the focus,. That might work!Do you have any idea where I could get a plastic disk and pins? Conclusion: The Best Two Computerized Telescopes On This List Are… In my opinion, the best two computerized telescopes on this list are Meade Instruments 8″ ACF Computerized Telescope with AudioStar and SkyWatcher S11800 GoTo Collapsible Dobsonian 8-Inch.The first one provides you with completely coma-free images and it comes with more than four hours of fun, educational . There are motorized focusers that I could buy, but $184 is more than what I'm willing to spend for what is basically just a wire/wireless controlled motor. However, my knob was almost smooth, so I needed a gear to be installed on the knob and communicate with the one installed on the motor (or as in my case with the gear train I had). MOTORIZATION OF AN EQ3 MOUNT (2020-03-03) Here we had a small portable mount with a single stepping motor on the right ascension axis, without the possibility of GoTo or autoguiding. It also should generate less heat. Read our guide! Nice 'ible. Welcome to the forum! Connect the nunchuck white wire to the circuit common ground. The best motor to use is a stepper motor (which has the peculiarity that you can precisely control its revolutions and it speed). Then, if you want, upload your project once it will be finished! Aha! It is completely compliant with ASCOM and so far this is the focuser that I'm using with my telescopes. A guide to viewing stars, the moon, planets, meteors, comets, and aurora through binoculars. Many focusers can have motors attached directly to them. Must-Have For Astroimagers. Check print details. Provides easy to understand information and guidelines about the design and construction of binoscopes Focusing on both homemade and commercial products, this book provides the reader with simple and straightforward information about the ... Alternating the currents on the coils, you can generate a rotating magnetic field inside the coils (View Biot-Savart law). The motor is held in place within the collar by a nylon thumbscrew. Awesome. Arduino Focuser 2 - scopefocus.info. Browse our selection for the right telescope motorized, electronic or auto-focuser for your stargazing needs. This is just a stepper motor, an Arduino Uno and a motor shield. DC motor installs easily and works with many Orion telescopes. Everything reverts if we push the joystick downwards. My telescope shakes a lot every time I touch the focuser knob. We manufacture telescopes and accessories such as telescope wheels, carrying cases, guiding computers, focusers, motors and motor controls and much more. Top Rated Seller. You'll need both, to operate the Motorized Telescope Project. Share it with us! Our collection of telescope focusers is as vast as space itself. We designed this focuser for our RH200. The magnet (or the rotor) is affected by this rotating magnetic field, and starts to rotate itself in order to get aligned with the field lines. I can now state that the Futaba S3004 servo will work fine for a focuser. Thanks for the suggestion, I'll think about it! Because most of the hardware is shared between the two applications, I only had to spend an additional 14$ (and a lot of programming time) to have a fully functional motorized telescope focuser, with the following features: After a failed repair attempt it . After some trials, I found that the best expression for "brightness" is: brightness=6^abs(nunchuk.analogX - 124). We provide manual and fully automated options. Pull it off the hub and it slides right on with perfect press fit. A focuser holds the eyepiece and allows it to be moved along the optical axis to achieve a sharp image. DIY Auto Focuser Moonlite Clone I already had the PnP focuser set up and wanted something for my AT72ed, so I started working on a Arduino Uno based auto focuser using the ULN2003 Motor Driver and the 28BYJ-48 stepper motor. A place where people can come to learn and share their experiences of doing, building and fixing things on their own. Hats off ! by pipshag. Still, I need to guess how to print gears to link the focus knob to a salvaged stepper of an old printer and the gear train to the telescope.…. It is attached to the Moonlight focuser with one brass screw and there is a rubber washer between the bracket and the focuser. FLO delivered the motor this week and I've put it all together and look forward to trying it out. Doing that, while moving the joystick vertically, depending on which range we "fall" in, we will get a different rotating speed for the motor. What we have to do is to use the data from the nunchuck to control the motor. What you have to do is to remember the number you get when the joystick is at rest and when it is at the two extremes (mine were: 124 for the rest, 255 for the extreme upward, 0 for the extreme downward). Motorized electronic telescope focuser makes achieving sharp focus easy. The EQFocuser started as a DIY project powered by Arduino and ASCOM. "Having been born a freeman, and for more than thirty years enjoyed the blessings of liberty in a free State—and having at the end of that time been kidnapped and sold into Slavery, where I remained, until happily rescued in the month of ... Buying Request Hub makes it simple, with just a few steps: post a Buying Request and when it's approved, suppliers on our site can quote. Based on Arduino UNO, a motor . Celestron NexStar 4 SE 4"/102mm telescope, optical tube assembly, E-Lux 25. Then, I opted for the white 6 pin connector (though as I said in the intro I (and you of course) only needed 4) to connect the motor to the board. This kind of thing is what ATM'ing is about. Motorized focusers allow hands-free focusing which eliminates any vibrations transmitted to the scope. Hi, i would like to share with you my diy project : "focuser with astroberry". I also decided not to directly solder arduino and the l293d chip. EQMOD ASCOMPAD. When I purchased 'real' CCD camera (Atik 314L+) Astrohub idea needed to be adjusted. You can find here details about my project. A DIY tracking device for the EQ1 Equatorial Telescope mount. ... Hope you don't mind I show my old project. That is roughly what we are gonna do. Beefocused talks to the INDI computer using WiFi. It involves desoldering the circuit board from the motor though. Found inside – Page 126... Focusing tolerance (μm) 32 50 72 113 128 162 200 288 450 Figure 4.6 A disengageable, DIY arm lever. Locking the shaft is done by screwing the wing nut. Unlike with a motorized focuser, vibrations while handling are not suppressed. T2 FOCUSER NUT 42X15MM ASTROMASTER EQ 130 SCOPE ET. Before doing anything, disconnect the arduino pin 30 and 4 from the previous circuit, since now we are going to connect arduino to our pc by usb, and it will receive the power needed from the usb connection. I managed to cut a 1mm metal plate I had in my garage in order to obtain an L shaped plate. Our 100% satisfaction guarantee says it all. Autofocusing with a DIY Electronic Focuser. As for a little background on the cassegrain telescope that my servo focuser was mount on, read on… The telescope is a 8″ f/16 classical cassegrain. This project provides me with two focuser options, motor 1 and motor 2, a temperature and humidity display, uses ascom which is compatible to most of my telescope devices. The book is a useful resource for agencies supporting the field of astronomy and astrophysics, the Congressional committees with jurisdiction over those agencies, the scientific community, and the public. We are pleased to be able to offer the Starlight Instruments Focuser Boss II Electronic Focusing Control Kit for digital focusing of our telescopes. Now create a new project. myFocuserPro is an ASCOM and Moonlite compatible stepper motor telescope focus controller (DIY) based on Arduino Nano/Uno. In addition to that, you will find a labelled picture of the circuit setup on a breadboard. This project uses the Pleiades series boards to control the stepper motors of the telescope and a motorized focuser with greater precision. 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. I am usually discouraged to do DIY projects because I don't know where to get things. and select from [Tools->port] the usb serial port you have connected arduino to. We are ready to start. The Astrophotography Manual, Second Edition is for photographers ready to move beyond standard SLR cameras and editing software to create beautiful images of nebulas, galaxies, clusters, and the stars. The nunchuck red wire is for the 3.3V alimentation. Homemade DIY focuser for telescope with computer control. There are motorized focusers that I could buy, but $184 is more than what I'm willing to spend for what is basically just a wire/wireless controlled motor. To power the motor and the l293d you have to power pins 1,8,9,16 on l293d chip. Features: -Focuser operation uses 4 user definable presets to provide different resolutions of movement. Buy On Amazon. Ok, the mechanics is ready, let's now jump to the "sophisticated" section! plastic disc with a couple of holes, one center hole for the motor shaft, other holes for pins that fit in the holes on the knob. If backlash is a problem then maybe using worm gears would resolve the issue. This is the first volume of a monumental work that will provide a complete treatment of all theoretical aspects of reflecting telescope optics. Just add a led (red is the best for night observation) to the circuit so that we can have a sort of feedback of what is happening in the circuit. Brand New. Order the best telescope focuser for your stargazing needs at High Point Scientific. Steeldrive II motor focuser with Controller . Officina Stellare FF72 Fine Focuser, for RH200 and 400mm astrographs. At the end I'll save lot of Arduino pins and a voltage regulator. We can do it by using the number arduino stores in the nunchuk.analogX as we move the joystick vertically. Plus, I'm using a slow RPM motor, so that should help too. got for 300€. We will create some ranges of values for the nunchuk.analogX variable and assign each range a value for the delay time between the motor revolution steps. This book provides an introduction to the design of a variety of telescopes, mounts, and drives suitable for the home-constructor. Motorized electronic telescope focuser makes achieving sharp focus easy Use the pushbutton hand controller for smooth, precise focus adjustments without vibration Choose speeds from coarse to very fine with the adjustable speed control knob DC motor installs easily and works with many Orion telescopes Note: I have attached both the .ino version and the .txt version of the code I have used in this project. ... Brian- Alternatively you could for example think of solutions like: if I press one of the nunchuck button, the joystick becomes the controller for the focuser instead of the mount. Sweet! DIY Electric Focuser For Celestron 127 SLT Maksutov/Cassegrain . Above: A typical motorized focuser, Celestron's Motofocus. The motor uses a PP3 9V battery and offers a useful speed adjustment. If nunchuk.analogX is less than the rest value, the motor will have to move counterclockwise. I though of drive belts, but I had no one and it would have been struggling to find one of the right length and to find two gears to drive it. Done that, the issue was: how do I transfer the rotating motion from the gears I had on the motor plate to the focuser knob? Ok, everything should be fine enough now to be soldered! Im not sure if this really fits here, but I felt it was probably the most appropriate place to put it. DIY Telescope Auto Focuser. I'm goint to give it a try :). 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". I chose to 3D print that gear, so that I could get precisely what I needed. This design could be adapted to practically any . What I believe is the best solution is to directly connect the motor to the knob by mean of gears. by reversse. I was pretty lucky since the motor I recovered from the printer had a plate (I will call it the motor plate) with two gears already built in it, so I only had to block that plate on the telescope. Standa in the World. We are gonna use just 4 of them (the white, yellow, green and the red ones). DIY USB Motor Control for Focuser - DIY Astronomer - Stargazers Lounge Motor Focus - Do It Yourself - Major & Minor Planetary Imaging - Cloudy Nights Orion 13039 2-Inch Crayford-Style Telescope Focuser: Amazon.co.uk: Camera & Photo I need the mount to be stable but free so that I can move the telescope when the object moves out of the field of view. Arduino has a 3.3V output pin ( is pin 17) so connect the red wire to it. HVAC dampers can monitor air flow, temperature and humidity throughout homes and buildings. Download the Celestron PWI Telescope Control Software. After a failed repair attempt it . Instead, I soldered two slots where I inserted the two components. The result was amazing. Motor, hand controller, motor bracket, attachment hardware, and coil cable included. Several functions may not work. Note #1: In the file attached you will find the electric scheme, the arduino pin scheme, the step-down data sheet and the l293 scheme.