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Mini Base Board (B) for Raspberry Pi Compute Module

  • $59.00
  • Save $10
  • (Exc. GST)

  • Available in stock

  • $ We Ship from our stock in AU (Perth) with pickup option, and Prices are Exc. GST
  • $ We Offer Quantity Discounts for Large Orders 10+ qty (Request for Quote)
  • $ We Accept Purchase Orders & Net 30 Payment for Eligible Accounts

  • 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:

    Mini Base B: the CM4-IO-BASE-B bare board only


    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

    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


    CM4 SOCKET suitable for all variants of Compute Module 4
    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
    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

    Precise Cut-Out With Clear Label

    Each Cut-Out Is Completely Aligned With The Connector

    Access To USB HDMI Adapter

    More USB And HDMI Connectors Via FFC

    Cooling Fan Included

    Comes With Cooling Fan, Combined With The Airflow Vent, Better Heat Dissipation

    Wall Mount Support

    Wall Mount Holes On Two Sides, Handy For Mounting

    What's On Board

    1. CM4 socket
      suitable for all variants of Compute Module 4
    2. Power input/Programming
      5V/2.5A power supply, or used for eMMC burning
    3. DISP
      MIPI DSI display port
    4. FAN
      for connecting cooling fan, allows speed adjustment and measurement
    5. CAM
      2x MIPI CSI camera ports
    6. HDMI0 connector
      HDMI0 port, supports 4K 30fps output
    7. USB 2.0 ports
      2x USB 2.0 ports, for connecting sorts of USB devices
    8. Gigabit Ethernet connector
      Gigabit Ethernet RJ45 connector, with 10 / 100 / 1000M network support
    9. M.2 indicator
      indicating the operating status of M.2 interface
    10. ACT indicator
      indicating the operating status of Raspberry Pi
    11. PWR indicator
      indicating the status of Raspberry Pi power supply
    12. BOOT selection
      ON: CM4 would be booted from USB-C interface
      OFF: CM4 would be booted from eMMC or TF card
    1. 40PIN GPIO header
    2. TF card slot
      for connecting a TF card with pre-burnt image (Lite variant ONLY)
    3. HDMI1 FFC connector
      HDMI1 port, supports 4K 30fps output
    4. USB 2.0 FFC connector
      can be connected through an adapter
    5. FE1.1S
      USB HUB chip, expanding one USB port to 4x ports
    6. M.2 slot
      supports sorts of NVME Solid State Drives, or communication modules with PCIE M.2 KEY-M interface
    7. RTC chip
      allows RTC-related functions like wakeup, shutdown, reboot, and more
    8. 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
    9. EMC2301
      fan controller, for speed adjustment / measurement
    10. RTC battery holder
      supports CR1220 button cell

    Application Example

    Suitable For Binocular Vision Raspberry Pi Projects


    Access To More Peripherals Via USB HDMI Adapter


    Working With Additional Solid State Drives


    for reference only, display, cameras, antenna and Solid State Drives are NOT included.

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