🚀 Software Compatibility Update for AstroLink Devices
AstroLink 4 MAX, 4 micro, 4 Bee, and 4 mini II are now fully compatible with the updated software built on the ASCOM Platform 7.
⚡ New Software (Version 5.x.x and later):
Designed exclusively for ASCOM Platform 7 — includes ongoing development, feature enhancements, and the latest functionality.
🧩 Legacy Software (Version 3.x.x):
Compatible with both ASCOM 6 and 7, but will no longer receive feature updates.
📥 Visit each product page to download the latest versions and ensure your setup is up to date.
🔭 AstroLink 4 MAX – with expansion slot and integrated USB hub
AstroLink 4 MAX features an integrated active USB hub with three external USB ports, providing stable connectivity for your astrophotography equipment.
It also includes a dedicated AUX port for expansion — allowing connection of optional external modules (sold separately) such as:
- ➕ Additional focuser motor controllers
- 🌀 Servo motor controllers (available soon)
- 🌦️ Advanced environmental sensors (available soon)
- 🔌 High-power electronic switches (available soon)
And of course, it comes equipped with all the standard AstroLink components:
- 🎯 Focusing motor controller (compatible with unipolar and bipolar stepper motors)
- ⚡ Four 12V DC outputs
- 🔋 One regulated 3–10V DC output
- 🔆 Two regulated dew heater outputs (PWM-controlled)
- 🌡️ Sensor support for temperature and humidity (with compensation & automation)
- ☁️ Sky temperature / cloud coverage sensor support
- 🌌 Sky brightness sensor support
AstroLink 4 MAX is your all-in-one hub for precision, protection, and performance in astrophotography automation.
💻 AstroLink 4 Bee – Astrophotography Controller with Windows mini PC
AstroLink 4 Bee is the first AstroLink device to feature an integrated Windows-based mini PC, delivering a compact and powerful all-in-one solution for your astrophotography setup.
- 📏 Compact design: Just 17 × 10 × 2.5 cm
- ⚖️ Lightweight: Only 350g
- 🔌 Power input: 12V via XT60 — ready to go with a single connection
- 🖥️ Integrated mini PC: T4 Pro or T5 with Windows Pro OS
- 🌐 Remote access: Seamless control via Remote Desktop from any computer, laptop, or tablet
AstroLink 4 Bee includes all the standard AstroLink features:
- 🎯 Focusing motor controller (Robofocus, Moonlite, unipolar/bipolar stepper motors)
- ⚡ Four 12V DC switched outputs
- 🔋 One 3–10V regulated DC output
- 🔆 Two regulated PWM outputs for dew heaters or fans
- 🌡️ Support for multiple sensors:
- Temperature & humidity (for compensation & automation)
- Sky temperature / cloud coverage
- Sky brightness
🛰️ Just power it up, connect remotely, and start capturing the cosmos — no additional PC required.
🔧 AstroLink 4 micro – Compact & Versatile Astrophotography Controller
AstroLink 4 micro is a compact (15 × 5 cm), multifunctional controller designed to streamline your astrophotography setup without sacrificing performance.
Key features include:
- 🎯 Integrated focuser motor controller (compatible with Robofocus, Moonlite, and generic unipolar/bipolar stepper motors)
- ⚡ Three switchable 12V DC power outputs
- 🔆 Two regulated PWM outputs for dew heaters or fans
- 📏 Manual focuser control for hands-on adjustments
- 🌡️ Sensor support for:
- Temperature & humidity (compensation and dew heater automation)
- Sky temperature/cloud coverage
- Sky brightness monitoring
💻 Compatible with both ASCOM and INDI drivers
🛠️ Seamless integration with dedicated AstroLink control software
💡 For a fully stacked solution, pair it with the Y-3184 7-port USB 3.0 active hub — perfectly aligned in size and ports for a neat, space-saving configuration.
🔭 AstroLink 4 mini II – Controller for Advanced Astrophotography Setups with Dual Focuser and QuickCharge
AstroLink 4 mini II is a powerful and compact controller offering extensive functionality for demanding astrophotography setups.
Key features include:
- 🎯 Dual focuser motor control — operate both a primary telescope focuser and a secondary unit (e.g. guider or SCT mirror knob)
- ⚡ Four switchable 12V DC power outputs
- 🔆 Two regulated PWM outputs for dew heaters or fans
- 🌡️ Full sensor support for: Temperature & humidity (for temperature compensation and dew heater automation), sky temperature and cloud coverage plus sky brightness
- 📏 Manual focuser control built-in
- 🔋 One additional regulated 3–10V DC output for flexible peripheral power
- ⚡QuickCharge USB port (starting from 2025)
💻 Software compatibility:
- ✅ ASCOM drivers: Focuser, Switch, Observing Conditions, and Safety Monitor
- ✅ INDI driver support
- 🖥️ Includes dedicated control panel software for easy integration and operation
AstroLink 4 mini II is an ideal solution for astroimagers looking to streamline control of complex setups with precision and reliability.
🌌 AstroLink 4 Pi — All-in-One Astrophotography Controller (Raspberry Pi 4/5 based)
AstroLink 4 Pi is a powerful, compact astrophotography controller built around a Raspberry Pi 4 or 5. Simply connect a 12V DC power source, plug in your gear, and start capturing the night sky.
Designed to streamline your setup by combining multiple essential modules into one device:
- 🎯 Focusing motor control
Compatible with both AstroLink and third-party stepper motors (e.g., Robofocus, Moonlite, unipolar/bipolar). - ⚡ 12V DC power distribution
Clean and stable power for your mount, cameras, and other equipment. - 🔆 Regulated PWM outputs
Ideal for dew heater straps, telescope fans, or other accessories. - 🔋 Adjustable 3–10V regulated output
Perfect for powering DSLR cameras, USB hubs, or other peripherals. - 🌡️ Sensor integration
Connect sensors to monitor:- Temperature & humidity (with temperature compensation)
- Sky temperature & cloud coverage
- Sky brightness
🖥️ Software compatibility
AstroLink 4 Pi runs with INDI-capable platforms such as: StellarMate OS, Astroberry, AstroPi3, AstroArch
Whether you’re in the field or at home, AstroLink 4 Pi provides a professional-grade, all-in-one solution for managing your astrophotography setup.
🌦️ Sensor Integration for Astrophotography
Sensors play a vital role in enhancing the performance and reliability of your astroimaging setup. AstroLink devices support a range of sensor types to enable intelligent automation and environmental awareness.
🧊 Temperature & Humidity Sensors
- Monitor ambient conditions
- Enable automatic dew heater regulation
- Allow temperature-based focuser compensation
☁️ Sky Temperature & Cloud Coverage Sensors
- Evaluate sky transparency
- Detect cloud presence for safe operation and imaging session planning
✨ Sky Brightness Sensors
- Measure sky background brightness
- Useful for imaging automation and sky quality analysis
🔧 Software Integration
All sensor data is accessible through:
- AstroLink Control Panel
- ASCOM Observing Conditions
- Cloud and sky brightness sensor can trigger ASCOM Safety Monitor flag
🔄 Multi-Sensor Devices
Available in 2-in-1 or 3-in-1 configurations, combining multiple sensor types in one compact unit.
🔭 Focusing Motors for Astrophotography
Focusing motors are a critical component of precise astroimaging. AstroLink devices and the FocuserOne controller are designed to support a wide range of motor options and configurations.
⚙️ High-Precision Unipolar Stepper Motors
We offer unipolar stepper motors with integrated gearboxes that provide:
- ✅ High resolution
- ✅ High torque
- ✅ Low power consumption
- ✅ Position retention without constant power
Ideal for accurate and stable focusing in all weather conditions.
🔁 Broad Compatibility
AstroLink controllers and FocuserOne are compatible with:
- Unipolar stepper motors (e.g. Moonlite, Robofocus)
- Microstepping support up to 1/32 for fine control with bipolar stepper motors
Users can easily integrate their existing motors or select from our recommended options to match their setup needs.
💧 Dew Heaters for Astrophotography
Dew heaters are essential for preventing lens fogging and ensuring clear imaging sessions. Our product range offers solutions for all types of equipment and observing conditions.
🔌 Versatile Sizes and Power Options
- Available in multiple sizes to fit a wide range of telescopes, camera lenses, and guide scopes
- Compact models with USB connectors — perfect for powering from a 5V power bank during field use
🎛️ Manual Power Regulators
- Optional manual regulators allow simple control of dew cap heaters
- Ideal for setups without automated control systems
Stay focused and fog-free with reliable, flexible dew heater solutions.
FocuserOne (on special request)
FocuserOne – focusing motor controller. Connect any stepper motor you already own, or select the one from our offer, and you are all set!
ASCOM and INDI drivers are available, with dedicated control software, an environment monitoring sensor, manual control buttons, focuser temperature compensation, and an OLED display.
FocuserOne device can also work as rotator control – a dedicated ASCOM driver is available.
AstroLink 4 USB (on special request)
AstroLink 4 USB – another multifunctional controller for astrophotography setups. Focusing motor controller, four 12V DC outputs switch, two dew cap heaters regulated outputs, multiple sensors available: temperature/humidity for temperature compensation and dew heaters automation, sky temperature/cloud coverage, sky brightness. Also, a manual controller for the focuser is available. Additional 5V DC voltage output is present.
There is an integrated USB hub inside that exposes three USB 3.0 outputs in the device for connecting peripherals.
ASCOM (focuser, switch, observing conditions, and safety monitor) and INDI drivers are available as well as dedicated control software.
Discontinued products software
| Device | Panel application | ASCOM driver | INDI driver | Firmware | Docs / tutorials |
|---|---|---|---|---|---|
| AstroLink 4 USB | 4.8.0 | 3.2.10 | INDI | 20240715 | |
| AstroLink 4 mini S | 4.2.3 | 3.2.10 | INDI | 4.2.0.1 | |
| FocuserOne | 2.4.1 | 3.2.10 | INDI | 20240715 | |
| FocuserLink | 1.0.0 | 3.2.10 | INDI | 20240715 | |
| Software/firmware changelog | |||||
