Getting Started
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The ARK Just A Pi is a compact carrier board for the Raspberry Pi Compute Module 5. This guide covers preparing the board and connecting to it for the first time.
If you are installing your own Compute Module, follow the Flashing Guide to image the CM5 (micro SD for the CM5 Lite, or eMMC over USB-C) and prepare it for first boot.
If you set up the OS using the Raspberry Pi Imager customization options described in the flashing guide, the board comes up with:
Username: pi
Password: pi
Hostname: just-a-pi
The UART0 Debug connector (6-pin JST-GH) exposes the Compute Module's serial console at 3.3V. Connect a 3.3V USB-to-serial adapter to reach the console before the network is configured. See the Pinout for the connector pin assignments.
Once Wi-Fi or Ethernet is configured (see Wi-Fi Setup and SSH), connect over SSH:
ssh pi@just-a-pi.localIf mDNS is not available on your network, use the Pi's IP address instead.
Flashing Guide – Image the Compute Module and prepare it for first boot
Pinout – Connector and pin assignments
Block Diagram – Board architecture overview
3D Model – STEP files
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