- On sale!
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.
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 board
- microUSB - 5 V / 2.5 A, can also be used to program eMMC memory
- HDMI0 port - HDMI port, supports 4K 30fps output
- CAM interface - MIPI CSI camera interface
- Audio interface - 3.5 mm audio jack, USB audio
- Gigabit Ethernet port - RJ45 Ethernet port, supports speeds of 10/100/1000 Mb / s
- Fan port - connector for connecting a fan, does not support speed regulation, supports 5V fans
- USB 2.0 - 4 USB 2.0 ports
- PoE - supports PoE HAT overlays
- 40-pin GPIO interface - for connecting HATs
- BOOT -
ON: CM4 boot from USB Type-C
OFF: booting from eMMC or SD - DISP1 interface - DSI display interface
- LED indicator - indicates the operating status of the Raspberry Pi
- 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 - IO-VREF selection - 3.3 V or 1.8 V IO logic switching
- Function Pin:
RUN: CM4 working status pin
GL-EN: CM4 power activation pin - CM4 connector - allows you to connect the CM4 module
- 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
Raspberry Pi CM4 to 3B adapter - Waveshare 22481.
