Sparkfun Raspberry Pi Compute Module 4 I/O Board

The Raspberry Pi Compute Module 4 I/O board is an essential tool for anyone looking to explore the capabilities of the Compute Module 4. With an array of inputs and outputs, this board is ideal for both prototyping and evaluation. It includes 5V and 12V power connectors, two USB 2.0 ports, and headers for additional connectors. It also supports display connectivity with two full-sized HDMI ports and two MIPI DSI display FPC connectors, as well as camera inputs with two MIPI CSI-2 camera FPC connectors. The standard 40-pin Raspberry Pi HAT I/O connector is present, along with an onboard real-time clock equipped with a backup battery for wake-up functionality. Networking is facilitated by an RJ45 Ethernet jack, offering gigabit Ethernet access, while a PCIe GEN 2 socket expands connectivity options. Various jumper headers allow for hardware customization, and a dedicated header supports fan integration.

This board is perfect for developers working on projects that require robust input and output options. Whether you're building a custom display setup or integrating multiple camera systems, the board's dual HDMI and MIPI connectors ensure seamless connectivity. The real-time clock feature is particularly useful for applications needing precise timing and scheduling, such as automation systems or data logging projects.

One of the standout features is its comprehensive connectivity, including the PCIe GEN 2 socket, which opens up possibilities for high-speed data transfer and additional peripherals. The gigabit Ethernet capability ensures fast and reliable network connections, making it suitable for network-intensive applications. Additionally, the board's design allows for easy integration with existing Raspberry Pi HATs, expanding its functionality even further.

For those looking to customize their setup, the board's jumper headers provide the flexibility to enable or disable features as needed. This flexibility, combined with the ability to support fans for cooling, makes it a versatile choice for a wide range of projects, from simple prototypes to complex systems requiring advanced thermal management.