RPI CM4 I/O Board

The RPI CM4 I/O Board is designed to meet 80% of your needs when building AI hardware/devices. It's an advanced I/O board for the Raspberry Pi Compute Module 4 (CM4), offering audio, camera, battery, and PCIe expansion capabilities. This versatile board opens up possibilities for a wide range of applications, including embedded systems, AI-powered devices, and IoT projects.

**Note: The back side of the PCB is completely flat with no connection pins, making it ideal for attaching E-INK screens.**

Features

* Compatible with Raspberry Pi Compute Module 4
* Integrated audio support, MEMS Mic on board 
* Camera MIPI pin out for vision-based projects
* Battery management for portable applications, with battery temp monitor capability 
* PCIe expansion for additional functionality, if you want to connect to SSD 
* Flat back surface, perfect for E-INK screen attachment

Compatible Modules 

E-INK Screen

GoodDisplay E-INK Screen

* High-contrast display for low-power applications
* Easy integration with the flat PCB back

Active Cooling Module

Amazon Cooling Solution
* Ensures optimal performance in demanding scenarios
* Helps maintain stable operating temperatures

Speaker Module

CUI Devices CMS-18138A-SP
* High-quality audio output for multimedia projects
* Compact design for easy integration

Compute Module 4

Newark - 32GB eMMC
Raspberry Pi - Various Configurations
* Powerful processing capabilities for AI and complex computations
* Multiple storage and RAM options available

Camera

Amazon Option
AliExpress Option
* Enable computer vision and image processing capabilities
* Various options to suit different project requirements

Use Cases

The RPI CM4 I/O Board is ideal for a variety of applications, including:

* AI-powered edge devices
* Computer vision systems
* IoT gateways
* Portable computing devices
* Digital signage with E-INK displays
* Embedded control systems

Resources

* Ensure proper ventilation, watch out for overheating if you running heavy software on it.
* Checkout our doc for the E-ink project
* Some demo videos