Raspberry Pi Compute Module 5 carrier board designed for marine and industrial embedded applications.
| Top | Bottom |
|---|---|
 |
 |
- Power management — Supercapacitor-backed power supply with graceful shutdown on power loss
- RP2040 control MCU — Manages power sequencing, watchdog, and system monitoring
- CAN bus — Isolated NMEA 2000 / CAN 2.0B interface
- RS-485 — Isolated serial interface
- USB — USB 2.0 and USB 3.0 with onboard hub
- Ethernet — Gigabit Ethernet
- HDMI — Full-size HDMI output via FPC connection
- PCIe / NVMe — M.2 slot for NVMe storage
- DSI display — MIPI DSI connector for touchscreen displays
- Analog monitoring — Input voltage, supercap voltage, and input current sensing
- RTC — Coin cell backed real-time clock
- EDA: KiCad 9.0
- Board revision: v0.7.0
- Module support: Raspberry Pi CM5
- License: CERN-OHL-S v2
| Repository | Description |
|---|---|
| HALPI2-firmware | RP2040 embedded firmware (Rust/Embassy) |
| HALPI2-rust-daemon | Linux power management daemon |
| halpi2 | User documentation (mdBook) |
| HALPI2-HDMI-FPC | Impedance-controlled HDMI flexible PCB |
This hardware design is licensed under the CERN Open Hardware Licence Version 2 — Strongly Reciprocal (CERN-OHL-S v2).