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Raspberry Pi CM4 to 3B Adapter - Waveshare 22481

Index: WSR-21703
Adapter module with Raspberry Pi 3B + design, to which you can connect the Raspberry Pi CM4 module. At the bottom of the board there is a CM4 connector that allows you to connect Raspberry Pi CM4 Lite / eMMC modules with a quad-core ARM Cortex A72 64-bit processor . Adapter interfaces are compatible with Raspberry Pi 3B and 3B + boards. The board has a mini jack connector (extended with USB), 4 USB 2.0 ports, compatible with USB 1.1, a gigabit Ethernet connector and a PoE connector with support for PoE overlays.
Raspberry Pi CM4 to 3B Adapter - Waveshare 22481
€21.90
€17.80 tax excl.
Unavailable
Discontinued product
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Manufacturer: Waveshare
Compatibility: Raspberry Pi

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The product has been discontinued. Check other products in category.

Product description: Raspberry Pi CM4 to 3B adapter - Waveshare 22481

Adapter module with Raspberry Pi 3B + design, to which you can connect the Raspberry Pi CM4 module. At the bottom of the board there is a CM4 connector that allows you to connect Raspberry Pi CM4 Lite / eMMC modules with a quad-core ARM Cortex A72 64-bit processor . Adapter interfaces are compatible with Raspberry Pi 3B and 3B + boards. The board has a mini jack connector (extended with USB), 4 USB 2.0 ports, compatible with USB 1.1, a gigabit Ethernet connector and a PoE connector with support for PoE overlays.

The manufacturer has prepared a detailed user guide that makes it much easier to start working with the adapter.

Raspberry Pi CM4 to 3B adapter CM4 adapter for Raspberry Pi 3B. The subject of the sale is an adapter with mounting screws, the Raspberry Pi CM4 minicomputer must be purchased separately.
The distribution of elements on the adapter board The distribution of elements on the adapter board.

The distribution of elements on the board

  1. microUSB - 5 V / 2.5 A, can also be used to program eMMC memory
  2. HDMI0 port - HDMI port, supports 4K 30fps output
  3. CAM interface - MIPI CSI camera interface
  4. Audio interface - 3.5 mm audio jack, USB audio
  5. Gigabit Ethernet port - RJ45 Ethernet port, supports speeds of 10/100/1000 Mb / s
  6. Fan port - connector for connecting a fan, does not support speed regulation, supports 5V fans
  7. USB 2.0 - 4 USB 2.0 ports
  8. PoE - supports PoE HAT overlays
  9. 40-pin GPIO interface - for connecting HATs
  10. BOOT -
    ON: CM4 boot from USB Type-C
    OFF: booting from eMMC or SD
  11. DISP1 interface - DSI display interface
  12. LED indicator - indicates the operating status of the Raspberry Pi
  13. System function switch -
    BT_DIS: Bluetooth off, only for CM4 version with antenna
    WiFi_DIS: WiFi disabled - only for CM4 version with antenna
    WP_DIS: EEPROM overwrite protection
  14. IO-VREF selection - 3.3 V or 1.8 V IO logic switching
  15. Function Pin:
    RUN: CM4 working status pin
    GL-EN: CM4 power activation pin
  16. CM4 connector - allows you to connect the CM4 module
  17. MicroSD interface - for inserting microSD cards

The main features of the adapter

  • CM4 connector, supports CM4 Lite / eMMC
  • Interfaces compatible with Raspberry Pi 3B / 3B + boards
  • Audio jack (USB extended)
  • 4-port USB 2.0 connector, compliant with USB 1.1
  • Gigabit Ethernet RJ45 connector
  • PoE connector with support for PoE HAT overlays
  • DSI interface as DSI1
  • MicroUSB port for powering and uploading the system image to eMMC memory
  • Do not connect other devices while uploading the image via microUSB
  • A 5V / 4A power source is required when working with CM4
  • USB 2.0 is disabled by default, add the following line to config.txt: dtoverlay = dwc2, dr_mode = host to use USB
  • It only supports a 5V fan

Kit contents

  • 1x Raspberry Pi CM4 to 3B Adapter - Waveshare 22481
  • 1x set of mounting screws
CM4 adapter for Pi 3B Raspberry Pi CM4 to 3B adapter - Waveshare 22481.

Package width 8.2 cm
Package height 10.6 cm
Package depth 3 cm
Package weight 0.06 kg

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Product reviews

Raspberry Pi CM4 to 3B Adapter - Waveshare 22481

5/5

Average grade

2

Customers opinion
The following opinions are collected
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and come from the post-purchase process.
Gerd 02.11.2023 Confirmed purchase Translated review
Everything fine.
Kevin 22.04.2023 Confirmed purchase Translated review
Functions

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