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OnStep is a computerized goto system, usually for stepper motor equipped mounts though any step/dir interface motor driver (including servo) should work. It was designed, from the beginning, as a more or less general purpose system and…
Case for a Fysetc E4 Onstep telescope controller. I only need 2 motors, but include the model so you can add up to 4 I printed using a 0.5mm nozzle, 0.3mm layer height using PLA+. I recommend no infill on walls and 3-4 layers top & bottom.
Adapting EQ5 (SkyWatcher) telescope mount or similar types to OnStep goto controller , by Howard Dutton project. Accessories recommended OnStep Mini 2.0 Cotroller and Box on base MiniPCB2 and Teensy3.2 or OnStep STM32 Controller and Box…
This is my method for attaching my nema 17 motors to a dobsonian telescope. The Az is universal, the alt bearings are specific to a Bintel / Zhumell dob. The second alt bearing is for a 8" Saxon / Skywatcher dob. The Fusion files are…
Remix of original project to get it to fit my Nema17 motors. Extended the length of the mounts and added support to the ethernet breakout board I used for connection so it sits snug without moving about. Used together with GT2 pulleys 12T…
I designed this case for the FYSETC E4 in Fusion 360 so that it can also house the BME280, with its temperature/humidity sensor facing outwards for more accurate ambient readings. I also added a physical mount for the DS3231 RTC, so it…
⚠ For v4 kit only ⚠ This is one of my first creations, i wanted to attach my onstep controller to the tripod's legs. Print on the orientation shown in the picture. I printed mine using PETG line height: 0.2mm no supports (but you can try…
NOTICE: The new version now released! EQ mount for small telescope or DSLR with OnStep goto controller. How to this working? See my video: https://youtu.be/2uIM-Aml7Mk FreeCAD sources on Github EQ mount used 2x My Planetary geerbox 1024:1…
NOTICE NEW Harmonic drive version is now on HrEM Sumary It is new version 3D printed OnStep EQ telescope compact mount for OnStep goto controller , now use 17HS19-1684S-PG100 Nema 17 Stepper Motor with 99.05:1 Planetary Gearbox or…
What it is A compact two‑point vise for Vixen dovetail rails. Top face has 2× M4 holes at 20 mm spacing for small boxes and controllers. It clamps. Tested on Omegon ProRC 6" Carbon with doubled stock Vixen rail (up&bottom). Should fit…
NOTICE: The new version now released! EQ mount II for small telescope or DSLR, desing for OnStep goto controller. How to make? See my video: https://youtu.be/Dmi01grPYCI FreeCAD sources on Github EQ mount used 2x My Planetary geerbox…
This is a conversion of Orion Atlas to Onstep. It should also fit EQ6 class mounts. It is using FYSETC E4 running OnStepX
English description below Für das phantastische OnStep-Projekt von Howard Dutton ( https://onstep.groups.io/g/main ) hier ein Gehäuse für eine Steuerung auf Basis des 3D-Drucker-Mainboards Fysetc E4. Vorab: Das ist kein Projekt für…
This is designed for the almost-full suite of accessories that you can get with OnStep. I don't need a focus motor/ derotator, etc, but there is space for it. I also include mounting brackets. These are pretty sturdy, but need support.…
Designed this OnStep MAXPCB4w case with aviation plugs (GX12) support. This design is inspired by various cases available on OnStep wiki. The case has a sound funnel for onboard buzzer and an honeycomb grill for ventilation. The case…
Revised version of the “OnStep Motor Mounts for EQ5” with support for RX16 connectors . The motor housing provides a clean, mechanically solid connector interface and reduces strain on the wiring. Designed for NEMA17 and a GT2 belt drive…
We have all been there where you are making the perfect project box for your electronics kit like and OnStep computer and you drill holes for the connectors in the wrong place. Or decide to move them. You can order new parts from GDA or…
Adapting SEBEN EQ3 telescope mount or similar types to OnStep goto controller , by Howard Dutton project. How to this working? See my video: https://youtu.be/mOXqw7EN8YE My OnStep Controller Box on base STM32 Blue Pill Alternative OnStep…
OnStep Shiled for ESPDUINO-32 [WeMos (D1 or D2) R32] telescope goto controller on basen Howard Dutton project My wiring diagram and PCB on EasyEDA Pinmaps for my PCB is included (replace in OnStep\src\pinmaps\Pins.MaxESP3.h) This Shiled…
3/30/2025: Changed the design of the Az gear. Now it uses a clamp instead of sandwiching it between two knobs. The wedge idea was a bust too. This project does contain 2 parts that I remixed for my situation. Link at the end of the…
Fysetc E4 case with full OnstepX functionality < Wiring > https://onstep.groups.io/g/main/wiki/32747 648 connector Motor : black(A+), red(B+), green(A-), blue(B-) End stop : yello(min), brown(GND), orange(V) < BOM > Brass insert(M3, OD…
I was building this case model as my project was going and i didn't want to reprint everything every time. So i separated it into baseplate that holds the board, walls and top case. This way you can reprint walls adding new I/O as much as…
This is my OnStep SHC case for Ken Hunters PCB. I do recommend using PETG for it's flexibility so the battery tray tabs can bend and not crack. PLA will probably work, but PETG will work better. This has a area for the LED to shine…
OnStep ESP32 mini telescope goto controller on base Howard Dutton project Key properties: The PCB has the same dimensions as the MiniPCB2 Big USB B port Bluetooth Wi-Fi Internal real time clock and PPS with battery backup Port for polar…
English description below OnStep-Umbau für die Vixen Super-Polaris Montierung Für das großartige OnStep-Projekt von Howard Dutton https://onstep.groups.io/g/main Hier handelt es sich um eine Adaption für eine Vixen Super-Polaris…
This is a simple case to replace the stock iExos-100 PMC-Eight board with a Fysetc E4. The board screws into the base using M3 screws and M3x5x4 threaded inserts. You can then re-use the existing M2.5 screws from the iExos-100 housing to…
I designed my minipcb2 board case for OnStep. The board project is here Minipcb2 . The case has 2 holes on the back side for various fasteners with a distance of 30 mm ( mounts ). Print settings Material: PETG Layer Height: 0.2 Infill:…
What Mount for the Terrans Industry OnStep V5 controller on a metal tripod leg of the Bresser EXOS‑2. Designed for Ø38 mm legs. It may fit other mounts with similar diameters. Why Minimal design that uses the two rear mounting holes on…
English description below OnStep-Umbau für die Vixen Great Polaris DX Montierung Für das großartige OnStep-Projekt von Howard Dutton https://onstep.groups.io/g/main Hier handelt es sich um eine Adaption für eine Vixen Great Polaris DX…
This model is a housing for the OnStep MiniPCB2 Controller board using the Teensy 3.2 or Teensy 4.0 arduino board. More details regarding the electronics can be found on the OnStep wiki at https://onstep.groups.io/g/main/wiki/8768 OnStep…
Telescope OnStep goto controller Box for MiniPCB2 More info about OnStep goto controller on Howard Dutton project Box FreeCAD source on GitHup For using HC-05/HC-06 Bluetooth recommended use my PCB For Foucuser port use this PCB and for…
OnStep Handheld ST4 controller for astronomy telescope with Goto system by Howard Dutton project . FreeCAD sources on GitHub Other componets: 1x Universal DIY Double Side Prototype PCB Board Tinned FR4 Breadboard 5x7cm 4x Tactile Switch…
*WIP* working prototype Its working well but I want to polish it more. Suggestions welcome I wanted to get a Strainwave mount to use my C8 and replace the AzGti that was overloaded. After finding the Astrophilo project I decided to build…
Telescope OnStep goto controller Box for Arduino MEGA 2560 with Prototype PCB for Arduino MEGA 2560 R3 Shield Board or CNC 3.0 shield . More info about OnStep goto controller on Howard Dutton project For my version on prototype board -…
A compact DIY harmonic German equatorial mount designed for lightweight astrophotography setups. The mount is based on the Fysetc E4 v1.0 controller board running OnStepX firmware. Update May 24th, 2026: Added a Fysetch holder - a dumb…
This side cover for the Skywatcher EQ6-R has mounting points for a FYSETC E4 used as an Onstep controller. On the top side, there is a mounting point for an XL4015-based DC-DC converter to provide 8.3 V for Canon dummy batteries. This…
OnStep replacement board for EQ 6 Pro on base Howard Dutton project Key properties: Easy replacement of the original Synscan board (four screws and reconnect three wires) Big USB B port Bluetooth Wi-Fi Internal real time clock and PPS…
This is a a huge SHC (Smart Hand Controller) case that you can build with just a 3D printer and soldering iron, no custom boards needed. Two versions: Internal LiPo + usb-c charger or external NP-F. I've included a hump to house Dupont…
This is a case for the OnStep Smart Hand Controller 2, printed in 2 parts. It can be printed without support. Assembly requires four M3x20 or M3x24 hex head screws, which screw directly into the print as these should not need to be…
This is a remix of the Rugged Box Parametric to fit the MaxPCB4 and MacESP4 OnStep PCBs. It need some 35mm M3 bolts and some lock nuts for the hinges and Latches. There are 4 holes for GX12 connectors. Uses a 10x15 mini rocker switch…
English description below Für das phantastische OnStep-Projekt von Howard Dutton ( https://onstep.groups.io/g/main ) hier ein Gehäuse für den Smart-Hand-Controller 2 (SHC-2). Alle Informationen zum Bau des SHC-2 und dazu, wo eine…
Telescope OnStep goto controller Box for STM32 Blue Pill More info about OnStep goto controller on Howard Dutton project Box FreeCAD source on GitHup BOM additions 8x 2x6mm self-tapping screws 1x Small power ship type switch size 15mm x…
I designed mounts for my minipcb2 board case . The board project is here Minipcb2 . mount for tc40 tripod mount for horizontal tube mount for vertical tube Print settings Material: PETG Layer Height: 0.2 Infill: 40% Assembly 1pc rc…
The case that is linked in the OnStep project is dead so i just made my own.
This is a longer button for the slightly different version of the OnStep Smart Hand Controller discussed on this page: https://onstep.groups.io/g/main/message/16105 , for more details on this specific controller. This button will not work…
Smart Hand Controller - SHC+ for JTW PCB Like mentioned here: https://onstep.groups.io/g/main/wiki/7152 , there are large case files (Chad) for the SHC+. I like to have a 2.4-inch display at a slight 30-degree angle because I do not like…
I blindly mashed the 2" adapter for my Canon M50 onto the GT2 pulley for Astro_Tony's derotator. Haven't even had time to check the back focus so marked it's a work in progress. I also changed the stepper pulley to a 4mm hole based on a…
AstroTrac 360 is a nice & elegant little mount with excellent design, which is a piece of art in itsef. However, due to the lack of the ASCOM driver, it is difficult to be connected & controlled by NINA for astrophotophy. The is a cover…
English description below OnStep-Umbau für die Vixen New Polaris Montierung Für das großartige OnStep-Projekt von Howard Dutton https://onstep.groups.io/g/main Hier handelt es sich um eine Adaption für eine Vixen New-Polaris Montierung…
What it is A modular mounting set for an EQ5 pier extension (geometry/dimensions per the included drawing). It lets you mount power + control electronics directly onto the pier extension, keeping the setup compact and reducing cable mess.…
This is a wireless hand control box for ONSTEP telecscope GOTO system. Note that there are various momentary tactile push button switches, and one needs to modify those caps for his own choices. (e.g.,…
This is a wired hand control box for ONSTEP telecscope GOTO system. Note that there are various momentary tactile push button switches, and one needs to modify those caps for his own choices. (e.g.,…
What it is An enclosure for the electronics of an OnStep telescope mount, made of flat panels bolted to four corner posts. It holds the controller board, the WiFi, GPS and clock modules, four aviation connectors, a switch, two LEDs, a fan…
This bracket holds a StepperOnline 10:1 Planetary Gearbox Nema 17 Stepper Motor for Az Axis (17HS15-1584S-MG10) so that it can slide in one dimension (pulled by springs) to hold a drive wheel firmly against a Lazy Susan bearing. [It would…
*WIP* working prototype Its working well but I want to polish it more. Suggestions welcome I wanted to get a Strainwave mount to use my C8 and replace the AzGti that was overloaded. After finding the Astrophilo project I decided to build…
I just recently added a Terrans Industry Onstep V5 Goto controller to my Celestron CG-4 Equatorial Mount and didn't like that it was held in place by a velcro strap. I ended up modeling this clip on mount in Fusion 360, couple of test…
OnStep lite board for EQ 6 Pro on base Howard Dutton project Key properties: Easy replacement of the original Synscan board (four screws and reconnect three wires) Tennsy4.0 (or 3.2) CPU mainboard MiniPCB pin maps compatible Big USB B…
Adapting GS-280 (old GSO) EQ telescope mount to OnStep goto controller , by Howard Dutton project. Accessories recommended OnStep Controller and Box on base STM32 Blue Pill OnStep SHC Smart Hand Controller Alternative OnStep Mini 2.0…
Alternative box for OnStep SHC (Smart Hand Controller) use with OnStep Goto controller and tripod accesories. More info on OnStep SHC Teensy 3.2 version Original wiring and PCB by Howard Dutton on EasyEDA I am create two new additions PCB…
This simply slides onto the central pillar of my Vixen GP-DX mount and means I can plug into it without worry if its going to get dirty or wet from the ground. The powerbank sits so I can see the display and is fairly secure. Suitable for…
Minimal NEMA 17 Motor Mounts for EQ5 / Vixen GP (OnStep) These are compact, minimalist motor mounts designed for the EQ5 / Vixen GP equatorial mount using OnStep . They were designed around the JK42HM40-1684 NEMA 17 stepper motor (0.9°,…
This is building on top of the design from MikeyB from OnSteps forum. You can see the original here: https://onstep.groups.io/g/main/files/3D-printables/Board%20enclosures%20%28Cases%29/Max%20series%20cases/MaxPCB%20case%20by%20MikeyB…
![OnStep Shield for ESPDUINO-32 [WeMos (D1 or D2) R32]](https://media.printables.com/media/prints/164921/images/1532140_65159d71-3ca4-4c50-a771-1359b48c9b19/large_display_6p4_164921.jpg)
