OpenAstroTracker UnderSky Electronics Enclosure

🚀 UnderSky – A Low-Profile Enclosure for OpenAstroTracker 🌌

Introducing UnderSky, a compact electronics enclosure designed to mount underneath the OpenAstroTracker, keeping your setup clean and organized.

Key Features:

✅ Single USB-C Power Source – Power the OpenAstroTracker and a Raspberry PI from one USB-C connection, reducing cable clutter.

✅ Compact & Convenient – Everything is securely stored underneath the tracker for a cleaner and more portable setup.
✅ Supports Key Hardware:

• MKS Board
• Raspberry Pi 4 or 5
• USB-C Buck Converter
• GT-U7 GPS Module

Required Components

🔌 Cables & Connectors

• Right Angle USB-B Cable (For MKS Gen to RPI)
  ➡️ Aliexpress Link
• Round USB-C Socket (Interface socket to allow for easy power disconnect)
  ➡️ Aliexpress Link
• USB-C Buck Converter (Breaks out power from the USB-C power module back to USB-C for Raspberry Pi)
  ➡️ Aliexpress Link
• T-Tap Wire Connector (Easy splicing the output of the USB-C Power Module (Optional))
• ➡️Aliexpress  Link
• USB-C Power Module (Set to 20V)
  This power module is used inside the case to break out power from the USB-C socket. You then split the connection to the MKS board and the USB-C buck converter (which plugs into the USB-C port on the Raspberry Pi).
  ➡️ Amazon Link
• Short USB-C Cable
  Just needs to be short enough to not take up too much room in the enclosure. Used for internal interface between USB-C Socket and USB-C Power Module.

⚙️ Electronics

•  MKS-Gen V2.1 (Any MKS board should work)
•  Raspberry Pi 4 or Raspberry Pi 5

🔩 Hardware

• (20) M3 Heated Inserts (3x4x3 or 3x4x5, the shorter the better)
• (20) M3 x 8mm Screws
• (6) M4 x 8mm Screws
• (6) M4 T-nuts