stepper motor telescope focuser

Main features: Interrupt-driven motor control for fast and accurate . Compatible with Rigel Systems, Feathertouch, Robofocus & Moonlite stepper motors (please identify your stepper motor when purchasing). Arduino sketch for this focuser A DIY project - stepper motor focuser solution based on Arduino This document describes the range of myFocuserPro2 products building the myFocuserPro2 controller units attaching the myFocuserPro2 stepper motor to your telescope determining the correct myFocuserPro2 values for your telescope . A 28BYJ-48 stepper motor with two GT2 toothed pulleys are used in this design. Use the Manual move switch while monitoring stepper motor position using the Arduino Serial monitor. b) Detach and place the finder holder on the opposite side where there is a hidden screw thread under the label (as shown in the image below). 11 With a couple of photos and a few measurements we can make a stepper motor kt that will fit your focuser. Although this book is highly comprehensive, it is suitable for beginners – there is a chapter on "Astronomy Basics" – and experts alike. Stepper motor. Found inside – Page 129Each GX telescope also comes with a 6 30 finderscope and a 1.25-inch focuser, though upgrades to 10 50 find- erscopes ... includes manual slow-motion controls and is designed to accept an optional dual-axis, stepper-motor drive system. Found inside – Page 67Te better designs use a gearbox reducer and a stepper motor, which enable fne control and absolute positioning, ... Some telescope manufacturers offer third-party focusers as a point-of-sale option for imaging use, at a price. Tighten both large screws under your focuser, We have installed the motor to all Starlight Feathertouch Focuser Series (from 2” to 3.5”).Installation is very easy and the supplied bolts and spacers ensures that motor is securely attached on the focuser, Below photos are from a TEC140 with a 3.5” Starlight Focuser. The new 5v electronic focuser, like its previous version, enables precise, dynamic focus control for planetary and deep-sky imaging, while only connected to a 5V USB-port.. Custom Stepper Motor Kits for your focuser. Turn using your hand the focuser knob to reveal the 2nd set screw of the coupler. Motor. Online stores and auction houses have facilitated commerce regarding all sorts of useful optical components at a reasonable price. This is a book about making telescopes from available parts. Now securely tight the 4 x allen silver screws of the motor, Remove the brake thumbscrew pointed with red arrow, Align the bracket (place the 6th slot of the bracket on top of the brake hole) and use a bolt and a spacer to secure it in place (you will find different sizes of bolts/spacers in the box). 3: Select an accessory Remove the two outer bolts using the hex key tool (check below photo). Arduino Focuser 2 - scopefocus.info. We have succesfully instaleld our L shaped bracken on these Takahashi Focusers. Powerful stepper motor Zero backlash Found inside – Page 30The secondary despace error is minimized by the secondary mirror focuser . The focuser utilizes a stepper motor to move the secondary mirror toward or away from the primary mirror to keep the mirror separation unchanged . STEPPER MOTOR FOCUSER SOLUTION BASED ON ARDUINO This document describes • the range of myFocuserPro products • building the myFocuserPro controller units • testing procedures and programs • attaching the myFocuserPro stepper motor to the telescope focuser • sample schematics, strip-board layouts and PCB (Eagle) • how to initially . It can be a bit daunting to take apart your telescope at first, but once the . Stepper motor has 0.1 degree step size, easily lifts 8 pounds. This guide is specifically aimed at those who are using—or want to use—Sequence Generator Pro. Can be operated for temperature compensation with the optional temperature sensor (below). SI-PDMS-Other. Push the motor close to the telescope (as displayed below). JavaScript seems to be disabled in your browser. The HSM20 motor unit fits the 2.0" Feather Touch focusers, MPA Retrofits (Takahashi and TeleVue), and Micro Feather Touch Telescope Focusers for the SCT scopes. When hooked up to the DHUB20 focus drive hub, this system provides smooth, precise, powerful control that can move an 8-pound load at about 3 microns per step. This describes a little project to build a simple and multipurpose Stepper Motor controller based on an Arduino, a stepper driver and a Bluetooth transceiver, all cheap and easy to build. This high resolution geared box has a 0,06 degree step size can can easily lift more than 6 Kg (per cm). for Celestron CPC & HD telescopes If you ever need to switch back to manual focusing . This is a simplified version of the Arduino Focuser, no Rotary encoder, no keypad, no LCD readout. IT MOVED!!! Micro Touch Focusing System - 2 Piece Kit (hub/hand control and motor) for Control of 2.0", MPA Retrofits, and Micro Feather Touch ® Focusers - WIRED $549.00. The design of this motor housing allows you to still be able to manually turn the focus knob on the focuser by simply turning the over-ride knob on the motor housing. Picking a solution is easy as Starizona is pleased to announce a new, low-profile motor for our popular MicroTouch Autofocuser. Tighten all set scews of the motor coupler. Meade (please email) This "Handy" stepper motor unit works exclusively on the Focuser Boss II electronic focuser. Found inside – Page 43There is no need to have a planetarium program that also drives your telescope. However, nowadays I do run the C11 ... Autofocusing is carried out using a stepper-motor driven drive-belt system and control electronics built by Tom How. How Auto Focus Works. 4: Download and install the software. Moreover motor's gearbox has a low backlash which can easily . MicroTouch Low-Profile Stepper Motor. 8 The Dual Motor Focus Controller supports two kind of motor types. Compared to the old version of the EAF focuser, the main change of the 5V EAF was to eliminate . FB-II-KIT 1---Focuser Boss II Electronic Focusing Control. Optec: New Design Concept: Optec engineers have developed a completely new concept for combining telescope focus and camera rotation functions into a single robust, yet compact package. This website uses cookies to improve your experience. Over the weekend I have worked on the mechanics. In a technological advanced world, Artificial Intelligence takes care of the undesirable manual work. Adding a motorized focuser to your telescope makes achieving focus an easy process. Lakeside Motor Focuser - Telescope Bracket (1) £49.00 Add to Basket. The drive pulley on the stepper motor contains 20 teeth and the pulley that will attach to the telescope drive screw has 60 teeth. This is required to allow you to have access to them by using the hex key tool. DIY Stepper Controller. A complete package is available from my website listed below.PurposeThis project was undertaken to provide a remote . and STEPPER Motor Kits The user must specify the number of steps the stepper motor will move for each move for each focus adjustment. We also use third-party cookies that help us analyze and understand how you use this website. This new motor is designed to fit any of the Feathertouch SCT MicroFocusers* or . Motorize your GSO Classic focuser with our powerful stepper motor. 11. verify motor movement by attaching a motor to the azimuth/right ascension port of the circuit board (the middle db-9 connector), then turn on tracking in scope.exe 12. attach the other unipolar stepper motor to the altitude/declination port of the circuit board and verify movement by using the up button of the hand paddle 13. The ZWO EAF provides precise focus control for all your imaging needs. From the reviews: "This is one of several dozen books in Patrick Moore's "Practical Astronomy" series. Amid this large family, Mobberley finds his niche: the beginning high-tech amateur. Motor Specification 35mm Stepper Motor Subdivision Steps 5760 steps Torque 1.5N/M Focuser Payload Limit 5KG Power Requirements DC12V @ 0.5A Connector - 5.5mm*2.1mm Centre Positive Data Interface USB 2.0 Sensor/Hand Controller Interface 3.5mm audio, Centre Positive The ZWO EAF utilises a USB2.0 interface for data communication $535.00. order on our website and get a free temperature sensor!$239.95, wifi-nSTEP plus a Stepper The controller is connected to the telescope via the same Cat5 (ethernet . Use the appropriate motor coupler from the 6 x motor coupler bag and connect motor shaft with focuser’s shaft. Universal Black Anodised Aluminium L shaped bracket for Motor, Different sizes (Pairs of M3x10, M4x10, M4x30 M5x10, M6x10, ) of metric screws and washers, Four M3x6mm length screws (to attach the enclosure on the bracket). I am also running a separate 5V supply for the ULN2003 Motor Drivers and 28BYJ-48 Stepper Motors. Since it does not require must torque to move the focus draw tube, I will try the 28BYJ-48 stepper motor. Adding the external temperature sensor to the usb-nSTEP allows your autofocus software to and automatically compensate for these temperature changes. It can be set to zero by sending a P 0# command. 0.01mm (at focal plane 0.06mm) Weight. PC control of focus and camera rotation Here is the first test to drive the stepper from an Arduino. pc focus via usb or manual using push buttons or Wifi from phone/tablet browser. It is attached to the Moonlight focuser with one brass screw and there is a rubber washer between the bracket and the focuser. pc focus via usb or manual using push buttons or Wifi from phone/tablet browser, $189.95 Link this into software such as SGP, and you have a system that takes a shot, checks focus, moves the focuser, takes a shot . This entertaining text details the methods and techniques employed by non-professional astronomers from all over the world, providing a wonderful resource for anyone wishing to build a small observatory of almost any kind. This consists of a stepper motor only, you will also need a suitable bracket, shaft coupler and necessary fixing screws for use on a second telescope. Below photos display how you can attach the motor to a Takahashi FSQ Focuser. Stepper can be quickly detatched for manual focusing. Uses standard 6-wire telephone cable and RJ12 connector. The Astrophotography Manual is for those photographers who aspire to move beyond using standard SLR cameras and editing software, and who are ready to create beautiful images of nebulas, galaxies, clusters, and the solar system. MoonLite offers a High Res Stepper motor Belt Drive Rotator kit for all 2" and 2.5" large format Moonlite model focusers. Pegasus Universal Motor Focus Kit. Found inside – Page 88fig.29 This view shows the stepper motor, assembled onto the end of the focuser shaft. ... The implementation again is crucial; I purchased a new telescope with its latest rack and pinion focus mechanism, (replacing a previous ... Split Gear Stepper Kit. High Resolution Stepper Motor/stand alone ($190.00) for customers that may all ready have a stepper motor controller. the telescope isn't in the computer controlled alt-az mount I made, but now that I can remotely focus the telescope I'm almost done. You do not need these screws anymore. This is the must-have guide for all amateur astronomers who double as makers, doers, tinkerers, problem-solvers, and inventors. United Optics Using 2 push buttons, you can select 5 focusing speeds, increasing every time you press the same button and decreasing as you press the other one. Other. The Seletek Limpet controller, includes the power supply cable, with screwed on terminal, and a tripod thread screw; Stepper motor (3600 steps/turn) 5Pcs Nema 17 Stepper Motor 40mm 64oz-in 45Ncm 1.7A 1.8 degree 2 phase with 1M 4-pin Cable & Connector Bipolar 42 stepping motor for 3D Printer Hobby CNC Router Machine 17HS4401J 4.7 out of 5 stars 4 $45.00 :-) First update 12 September 2011. With Pegasus Astro DMFC, you could empower your telescope with motorised focuser capability and with the right. - The high resolution stepper motor option . This means I can use FocusMax to do the focusing. Full step and half step control from computer and display of step count. System includes custom designed stepper motor, RF3 control module, mounting hardware (brackets, shaft coupler, and/or timing sprocket), power converter/adapter (110vAC to 12vDC), cables, PC software (on CD) and comprehensive instruction manual. This book provides an introduction to the design of a variety of telescopes, mounts, and drives suitable for the home-constructor. An autofocuser is a piece of kit that attaches to your telescope's focus knob. Add a stepper motor to any telescope. The focuser knob is 15 mm, and the stepper motor shaft was 5 mm. Place the bracket on the telescope focuser and adjust (up or down) the motor to alligh the shaft with the motor coupler bore. e-mail us at [email protected] and we'll get it started! Secondary mirror moving motor focuser. Building a ASCOM compatible focus controller using an Arduino Board. This book uniquely brings together a collection of observing, analyzing, and processing hints and tips that will allow the amateur to build skills in preparing scientifically acceptable spectra data. The drive uses a stepper motor with high torque and the ability to work in microstepping mode. This website uses cookies to improve your experience while you navigate through the website. for the ultimate in accurate auto-focusing. The MicroTouch works with any Feathertouch Focuser from Starlight Instruments. This software creates a model of your telescope by measuring out of focus star sizes at various . So, there is a gear advantage of 3:1. it is compatible to most iOptron later version mounts. Pololu A4899 or DRV 8825. 14 Stepper Motor for Feathertouch Dual Speed Focusers The controller can also send . Order today are Ontario Telescope and Accessories Rigel Systems' tried-and-true USB-nSTEP system for computer control of telescope stepper focus motors is now available for MoonLite Focusers.. This is just a stepper motor, an Arduino Uno and a motor shield. Uses standard 6-wire telephone cable and RJ12 connector. The focusing resolution is 2.5µm. With a couple of photos and a few measurements we can make a stepper motor kt that will fit your focuser at no additional cost -- just $99.95 A handful of timing belts and pulleys. basic (PC only via usb) 6 Please note that the thumb screw of the finder holder collides with the motor L shape bracket so there are two options to avoid this. Use the LakesideAstro focuser on a second telescope by adding an additional motor assembly. 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. The previous MicroTouch focus motor was in line with the axis of the focuser, which made it protrude out farther from the back of the telescope, potentially interfering with a camera or other accessories. The gear coupling of the stepper to focus shaft provides up to 9,600 steps per revolution in full step mode and 19,200 in half step mode to supply the exceptionally fine focus movement required for fast telescopes. The serial protocol is compatible with Moonlite focusers, so their ASCOM drivers and supporting software can be used. Found inside – Page 60800-443-1001 TELESCOPE CENTER America's Largest Telescope Dealer 421 Soquel Avenue , Dept. R , Santa Cruz , CA 95062 AMERICA'S # 1 SOURCE FOR ... Polar alignment and astrophotography are a snap with the Stepper Motor drive system ... 1 Telescope specific bracket (I 3D printed mine) Set of screws for your focuser; Aluminum Flexible Shaft Coupling ($1.50) (Please select the size for your focuser) 2 Pull Up Switch (Optional) 1 Variable Resistor (Optional) 1 DHT11 (Temperature/Humidity) Sensor (Optional) For EasyDriver or Adafruit Motor/Stepper/Servo Sheild