Mini Base Board (B) for Raspberry Pi Compute Module
Mini Base Board (B) for Raspberry Pi Compute Module
Waveshare CM4-IO-BASE-B (Full Ver.) Inside, Fast And Easy To Build A Mini-Computer
Version Options:
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Mini Base B: the CM4-IO-BASE-B bare board only
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Mini-Computer Kit: In addition to the CM4-IO-BASE-B base board, it is equipped with an Aluminum Alloy case, power supply and fan, etc.
More Available Kits
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CM4-IO-BASE-B + USB HDMI Adapter:
Expanding additional 2x USB And 1x HDMI Connectors Via FFC, in addition to the CM4-IO-BASE-B base board, it is equipped with a USB HDMI Adapter, FFC Cable and USB Cable, et
Specifications
CM4 SOCKET | suitable for all variants of Compute Module 4 |
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NETWORKING | Gigabit Ethernet RJ45 connector |
M.2 M KEY, supports communication modules or NVME Solid State Drives | |
CONNECTOR | Raspberry Pi 40PIN GPIO header |
USB | USB 2.0 Type A × 2, USB 2.0 via FFC connector × 2 |
DISPLAY | MIPI DSI display port (15pin 1.0mm FPC connector) |
CAMERA | MIPI CSI-2 camera port × 2 (15pin 1.0mm FPC connector) |
VIDEO | HDMI port × 2 (including one port via FFC connector), supports 4K 30fps output |
RTC | Real-time clock with battery socket and ability to wake Compute Module 4 |
STORAGE | TF card socket for Compute Module 4 Lite (without eMMC) variants |
FAN HEADER | allows speed adjustment and measurement, 5V |
POWER INPUT | 5V |
DIMENSIONS | 85 × 56mm |
Compact, Yet Complete
Onboard Multiple Connectors Including:
CSI/DSI/RTC/FAN/HDMI/USB/RJ45 Gigabit Ethernet/TF Card Slot/M.2 Slot
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Precise Cut-Out With Clear Label
Each Cut-Out Is Completely Aligned With The Connector
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More USB And HDMI Connectors Via FFC
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Cooling Fan Included
Comes With Cooling Fan, Combined With The Airflow Vent, Better Heat Dissipation
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Wall Mount Support
Wall Mount Holes On Two Sides, Handy For Mounting
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What's On Board
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CM4 socket
suitable for all variants of Compute Module 4 -
Power input/Programming
5V/2.5A power supply, or used for eMMC burning -
DISP
MIPI DSI display port -
FAN
for connecting cooling fan, allows speed adjustment and measurement -
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 -
ACT indicator
indicating the operating status of Raspberry Pi -
PWR indicator
indicating the status of Raspberry Pi power supply -
BOOT selection
ON: CM4 would be booted from USB-C interface
OFF: CM4 would be booted from eMMC or TF card
- 40PIN GPIO header
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TF card slot
for connecting a TF card with pre-burnt image (Lite variant ONLY) -
HDMI1 FFC connector
HDMI1 port, supports 4K 30fps output -
USB 2.0 FFC connector
can be connected through an adapter -
FE1.1S
USB HUB chip, expanding one USB port to 4x ports -
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
PI-RUN: CM4 reboot on RTC interruption
GN-EN: CM4 shutdown on RTC interruption
D4: D4 pin is triggered on RTC interruption -
EMC2301
fan controller, for speed adjustment / measurement -
RTC battery holder
supports CR1220 button cell
Application Example
Suitable For Binocular Vision Raspberry Pi Projects
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Access To More Peripherals Via USB HDMI Adapter
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Working With Additional Solid State Drives
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Product Show
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Outline Dimensions
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