AstroLink 4 micro

AstroLink 4 mini II micro
AstroLink 4 mini II micro

AstroLink 4 micro is a compact, multifunctional controller designed to streamline your astrophotography setup. It integrates key components to reduce cable clutter and increase automation reliability.

🌌 Core Features:

  • πŸ”­ Focusing motor controller compatible with Robofocus, Moonlite, and generic stepper motors
  • ⚑ 12V DC power switches for peripherals like mounts, cameras, and filter wheels
  • πŸ”₯ Regulated dew heater outputs to prevent lens fogging
  • πŸ”‹ Adjustable 3–10V regulated voltage output for auxiliary equipment
  • 🧠 Requires an external computer for operation β€” compatible with laptops, mini PCs, and Raspberry Pi
  • 🎨 Available in three colors: black, graphite and cherry red

πŸ”— Hardware Integration:

  • πŸ”Œ Easily stackable with a 7-port USB 3.0 hub β€” ideal for managing astrophotography peripherals
  • πŸ“Ά Seamless connectivity with multiple external devices through aligned ports

🌑️ Sensor Support & Monitoring:

  • πŸ“Š Monitors temperature, humidity, sky temperature/cloud coverage, and sky brightness
  • πŸ’‘ Automate your imaging workflow based on live sensor data
  • ⚑ Input voltage, current draw, and energy consumption monitoring
  • 🚨 Protection features alert you in case of low voltage, high current, or battery drain conditions

🧰 Advanced Functionalities:

  • 🎯 Temperature compensation for focusing point with calculator support
  • πŸ“ˆ Charting functionality with export options for diagnostics or analysis
  • πŸ’Ύ Permanent focuser position memory β€” no need to park after imaging sessions

🧩 Software & Compatibility:

🧩 Compatible with both INDI and ASCOM drivers
πŸ”§ ASCOM Drivers Included:

  • ASCOM Focuser
  • ASCOM Observing Conditions
  • ASCOM Switch
  • ASCOM Safety Monitor

If you are looking for a simple focusing solution, please check the FocuserOne device.

If you are looking for an astrophotography controller integrated with a computer, please check the AstroLink 4 Bee or AstroLink 4 Pi.


πŸ“₯ Latest software and downloads (ASCOM 7 platform only)

DevicePanel applicationASCOM driverFirmwareDocs / other
ASCOM 7 and new software stack is recommended
New software requires ASCOM 7 platform installed.
Additionally, AstroLink ASCOM driver, panel and firmware in version 5.x.x are required.
AstroLink 4 Bee5.0.14


Unified control panel manual [PDF]
YT presentation
5.0.81.0.4 (5.0.1)PDF / YT
AstroLink 4 MAX1.0.4 (5.0.1)PDF
AstroLink 4 micro1.0.4 (5.0.1)PDF
AstroLink 4 mini II1.0.4 (5.0.3)PDF
Software/firmware changelog

πŸ“₯ Latest software and downloads (ASCOM 6 or 7)

DevicePanel applicationASCOM driverINDI driverFirmwareDocs / other
Previous software stack work with ASCOM 6 and 7 platform.
However, no new features will be implemented in this stack.
AstroLink 4 Bee4.6.133.2.10N/A1.0.4 (4.8.5)PDF / YT
AstroLink 4 micro4.6.13INDI1.0.4 (4.8.5)PDF
AstroLink 4 mini II4.9.2INDI1.0.4 (4.5.8)PDF
AstroLink 4 PiN/AN/AINDIN/APDF / YT
Software/firmware changelog
Other software
FTDI driversFTDI Virtual COM Port Drivers
CP210x driversSilicon Labs Virtual COM Port drivers
USBTreeView toolhttps://www.uwe-sieber.de/usbtreeview_e.html

🏞️ AstroLink gallery