The Pi-Tron CM4 is based on the new fourth-generation Compute Module and features the Broadcom BCM2711 4x Arm Cortex-A72, 64-bit SoC @1.5 GHz, a significantly faster processor than the previous generation. It has more memory with 1 GB, 2 GB, 4 GB or 8 GB LPDDR4-3200 SDRAM, depending on the variant. There are also options for an eMMC memory with 8 GB, 16 GB or 32 GB available.

The board offers a pre-certified wireless LAN/Bluetooth connection. An M.2 B key slot with PCIe connection enables the use of standard modules. For example, individual AI solutions for machine vision and machine/deep learning can be implemented with the very powerful Hailo-8 AI modules or the Google Coral AI Edge TPU.

The range of functions of the interfaces has been significantly expanded. Data exchange with other system components is ensured via the Modbus-compliant RS485 interface. The CAN bus interface is now FD (Flexible Data Rate) enabled, offering more efficiency and a higher data transfer rate. The Raspberry Pi standard 40-PIN GPIO header provides flexibility for industrial interfaces. The Pi-Tron CM4 offers an HDMI slot to use standard display devices as well as an LVDS display connector via an adapter board.

A big advantage of the Raspberry Pi single-board computer is its large community. In addition to many software examples, it provides a large pool of compiled program packages for easy installation. The Pi-Tron CM4 only uses components that are supported by the community software.

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