CM4-IO Pro – Industrial Carrier Board for Raspberry Pi Compute Module 4

Product Overview

The CM4-IO Pro is a professional carrier board designed for the Raspberry Pi Compute Module 4 (CM4). Built for industrial applications, it provides reliable connectivity, flexible I/O interfaces, and robust performance for IoT, automation, and edge computing projects.

Bonus software included!

CM4-IO Pro is compatible with all versions of the Raspberry Pi Compute Module 4.

Key Features

• Isolated RS485 / Modbus – Stable communication in noisy industrial environments

• Isolated CAN 2.0B – Automotive and industrial system compatibility

• Isolated 1-Wire interface – Ideal for temperature and sensor networks

• HDMI 2.0 output – High-definition video display support

• Gigabit Ethernet – Fast and reliable network connectivity

• Dual USB 2.0 port – Expansion for external peripherals

• Real Time Clock (RTC) – Timekeeping with battery backup

• Relay Output (1 Form C /250VAC/) – Direct control of external devices

• SD/MMC card connector – Additional storage and boot flexibility

• LCD support – Compatible with 3.5″ touchscreen display (Fast SPI)

• Integrated cooling fan – Reliable thermal management

Bonus Software Included

Every CM4-IO Pro comes with a Python-based GUI application, designed specifically for the Raspberry Pi Compute Module 4 and the 3.5″ touchscreen display.

This software enables easy control and monitoring of all onboard interfaces:

• RS485

• CAN

• 1-Wire

• Relay

• RTC /Calendar/

It is a powerful starting point for developers creating custom industrial and automation systems.

Compact Industrial Design

• Dimensions: 79mm x 97mm

• Optimized for embedded solutions and space-constrained environments

• Rugged and reliable for industrial use cases

What’s in the Box

• 1x CM4-IO Pro carrier board

• 1x 3.5″ touchscreen display (Fast SPI)

• 1x Wired cooling fan

• 1x 5V USB C power adapter

• USB flash drive with software

Applications

The CM4-IO Pro is ideal for:

• Smart factories and industrial automation

• IoT gateways and edge computing solutions

• Embedded control systems

• Sensor networks and monitoring applications

• Custom Raspberry Pi industrial projects

Tags

Raspberry Pi CM4 carrier board, Industrial I/O board, CM4 carrier board, IoT development board, Raspberry Pi industrial board, Touchscreen display, CAN RS485 Modbus board, Embedded solutions, Compute Module 4 accessories, GPIO extension, Raspberry Pi relay board, 3.5″ SPI touchscreen, Industrial automation board, IoT project starter kit, Raspberry Pi development board, CM4-IO Pro