Hardware Description

HALPI-CM4 Hardware Description

The HALPI computers are based on the following component listed below. The list items link to the respective product documentation.

• Raspberry Pi Compute Module 4 with 4 or 8 GB of RAM, WiFi and no eMMC
• Waveshare CM4-IO-BASE-A Base Board, see also Wiki
• KingSpec M.2 NVMe SSD drive
• SH-RPi v2 Power Management HAT
• Waveshare CM4 3007 Cooling Fan
• Waveshare 2-Channel Isolated CAN HAT for NMEA 2000 connectivity, see also Wiki
• NMEA 2000 Pigtail Connector
• External WiFi antenna (mounted inside the enclosure)

Additionally, several optional accessories can be added to the HALPI-M:

• Waveshare 2-Channel Isolated RS485 HAT for NMEA 0183 connectivity, see also Wiki
• Waveshare MAX-M8Q GNSS HAT for GPS reception, see also Wiki

The HALPI-S does not have space for additional HATs.