Resources:
WIKI: www.waveshare.com/wiki/CM4-IO-BASE-C
Mini Base Board for Raspberry Pi Compute Module 4 with LCD Interface Support for Embedded System Integration
The Mini Base Board (C) for Raspberry Pi Compute Module 4 is a compact carrier board designed to simplify the development and deployment of embedded applications using the Raspberry Pi Compute Module 4 (CM4). Serving as a versatile I/O baseboard, it provides the essential interfaces required for rapid prototyping and seamless integration into custom hardware designs. Its compact footprint makes it an excellent choice for industrial automation, IoT gateways, digital signage, robotics, and embedded control systems.
Designed with direct LCD interface support, the board enables straightforward connection to compatible display modules, making it well-suited for applications requiring integrated human-machine interfaces (HMI). Whether used for proof-of-concept development or production-ready embedded systems, the Mini Base Board (C) helps reduce hardware development time while providing a reliable platform for Compute Module 4-based projects.
Key Features
- Designed for Raspberry Pi Compute Module 4: Compatible with all Raspberry Pi CM4 variants.
- Compact Carrier Board: Space-saving design for embedded and industrial applications.
- Direct LCD Interface Support: Enables easy connection to compatible display modules.
- Rapid System Development: Simplifies prototyping and embedded product design.
- Embedded Integration Ready: Suitable for custom hardware and OEM applications.
- Reliable I/O Expansion: Provides essential interfaces for Compute Module 4 operation.
- Easy Installation: Compute Module 4 plugs directly into the baseboard.
- Optimised for Industrial Applications: Suitable for continuous embedded operation.
- Compact Form Factor: Ideal for projects with limited installation space.
Applications
- Embedded control systems
- Industrial automation
- Human-machine interface (HMI) systems
- IoT gateways
- Smart home controllers
- Robotics
- Digital signage
- Edge computing devices
- Kiosks and information terminals
- Custom Raspberry Pi Compute Module 4 products
What's On Board
- CM4 socket
suitable for all variants of Compute Module 4
- Power input/Programming
5V/2.5A power supply, or used for eMMC burning
- LCD Port
40PIN LCD display port, for direct connection to 70H-1024600 series display
- FAN
for connecting cooling fan, allows speed adjustment via IO ports
- CAM
2x MIPI CSI camera ports
- HDMI0 connector
HDMI0 port, supports 4K 30fps output
- USB 2.0 ports
2x USB 2.0 ports, for connecting sorts of USB devices
- Gigabit Ethernet connector
Gigabit Ethernet RJ45 connector, with 10 / 100 / 1000M network support
- M.2 indicator
indicating the operating status of M.2 interface
- Raspberry Pi indicators
Green LED: PWR, indicating the status of Raspberry Pi power supply
Red LED: ACT, indicating the operating status of Raspberry Pi
- Boot switch
ON: CM4 would be booted from USB-C interface
OFF:CM4 would be booted from eMMC or TF card
- 40PIN GPIO header
for connecting sorts of HAT
- TF card slot
for connecting a TF card with pre-burnt image (Lite variant ONLY)
- FE1.1S
USB HUB chip, support expanding USB port
- M.2 slot
supports sorts of NVME Solid State Drives, or communication modules with PCIE M.2 KEY-M interface
- RTC chip
allows RTC-related functions like wakeup, shutdown, reboot, and more
- RTC interrupt selection
GN-EN: CM4 shutdown(by default) on RTC interruption
PI-RUN: CM4 reboot on RTC interruption
D4: D4 pin is triggered on RTC interruption
- RTC battery holder
supports CR1220 button cell
Product show
Dimensions
Package Content:
- CM4-IO-BASE-C x1
- Solid State Drives mounting screw x1
