for reference only, CM4, display, and cameras are NOT included.
CM4-IO-BASE-B + USB HDMI Adapter, For Raspberry Pi Compute Module 4
CM4-IO-BASE-B + USB HDMI Adapter
More USB And HDMI Connectors Via FFC
Demonstration
Mini Base Board For Compute Module 4
Suitable For Evaluating The Raspberry Pi CM4 Or Being Integrated Into End Products
Powerful functions in a credit card sized body
What's The Differences
CM4 IO BOARD MINI BASE DUAL GIGABIT ETH POE BASE (B) POE BASE RASPBERRY PI OFFICIAL LITE VER. FULL VER. POE N/A integrates 802.3af-compliant PoE circuit (5V/2.5A) PoE header only USB USB 2.0 × 2USB 2.0 × 2 (via FFC connector) USB 3.2 Gen1 × 3 USB 2.0 × 4 USB 3.2 Gen1 × 4 USB 2.0 × 4(2x via pin header) GPIO Raspberry Pi 40PIN GPIO × 1 HEADER M.2 slot × 1 N/A RS485 × 1RS232 × 1PCIe Gen 2 × 1 N/A PCIe Gen 2 × 1 HDMI HDMI × 2(1x via FFC connector)supports 4K 30fps output HDMI × 2supports 4K 30fps output DSI DISPLAY MIPI DSI × 1(15pin 1.0mm FPC) MIPI DSI × 2(15pin 1.0mm FPC) MIPI DSI × 2(22pin 0.5mm FPC) CSI CAMERA MIPI CSI-2 × 2(15pin 1.0mm FPC) MIPI CSI-2 × 2(22pin 0.5mm FPC) POWER INPUT 5V 7V~36V 5V 7V~36V 12V FAN 5V 5V / 12V 12V no fan control allows speed adjustment and measurement RTC N/A Real-time clock with battery socket and ability to wake Compute Module 4 RJ45 ETHERNET Gigabit Ethernet Dual Gigabit Ethernet Gigabit Ethernet CM4 SOCKET suitable for all variants of Compute Module 4 SD CARD SLOT MicroSD card socket for Compute Module 4 Lite (without eMMC) variants DIMENSIONS (MM) 85.0 × 56.0 109.0 × 91.5 124.50 × 108.80 160 × 90
Connecting With Compute Module 4
Standard CM4 Socket And Color-Coded Raspberry Pi 40PIN GPIO HeaderSuitable For Compute Module 4 Lite/EMMC Series Module
Compact, Yet Complete
Onboard Multiple Connectors Including:CSI/DSI/RTC/FAN/HDMI/USB/RJ45 Gigabit Ethernet/Micro SD Card Slot/M.2 Slot
What's On Board
CM4 socketsuitable for all variants of Compute Module 4 Power input/Programming5V/2.5A power supply, or used for eMMC burning DISPMIPI DSI display port FANfor connecting cooling fan, allows speed adjustment and measurement CAM2x MIPI CSI camera ports HDMI0 connectorHDMI0 port, supports 4K 30fps output USB 2.0 ports2x USB 2.0 ports, for connecting sorts of USB devices Gigabit Ethernet connectorGigabit Ethernet RJ45 connector, with 10 / 100 / 1000M network support M.2 indicatorindicating the operating status of M.2 interface ACT indicatorindicating the operating status of Raspberry Pi PWR indicatorindicating the status of Raspberry Pi power supply BOOT selectionON: CM4 would be booted from USB-C interfaceOFF: CM4 would be booted from eMMC or Micro SD card
40PIN GPIO header Micro SD card slotfor connecting a Micro SD card with pre-burnt image (Lite variant ONLY) HDMI1 FFC connectorHDMI1 port, supports 4K 30fps output USB 2.0 FFC connectorcan be connected through an adapter FE1.1SUSB HUB chip, expanding one USB port to 4x ports M.2 slotsupports sorts of NVME SSD, or communication modules with PCIE M.2 KEY-M interface RTC chipallows RTC-related functions like wakeup, shutdown, reboot, and more RTC interrupt selectionPI-RUN: CM4 reboot on RTC interruptionGN-EN: CM4 shutdown on RTC interruptionD4: D4 pin is triggered on RTC interruption EMC2301fan controller, for speed adjustment / measurement RTC battery holdersupports CR1220 button cell
Outline Dimensions
Application Example
for reference only, CM4, display, and cameras are NOT included.
Resources & Services
WIKI: https://www.waveshare.com/wiki/CM4-IO-BASE-B
* Resources for different product may vary, please check the wiki page to confirm the actually provided resources.
PACKAGE CONTENT
Weight: 0.088 kg
CM4-IO-BASE-B x1
USB HDMI Adapter x1
FFC cable 6PIN 1.0 pitch 60mm x1
FFC cable 20PIN 0.5 pitch 60mm x1
USB-A to USB-C cable 1m x1
SSD mounting screw x1
Logistics information
Our products are located in Hong Kong, China, and the logistics speed depends on your specific location. According to our experience, it usually takes about 15-20 days of transportation time
CONTACT US
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How to choose the correct size:
Step 1 Please measure your foot length carefully.

Step 2 Please choose the correct size according to your foot length and chinese size.
For example, If your foot length is 255 mm , you should choose the size 8.
