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CM4STACK is an integrated micro host based on the Raspberry Pi CM4 core board, using the CM4104032 module with built-in WiFi, 4GB of memory, and 32GB eMMC. The host includes rich peripheral devices: a 2.0-inch IPS-LCD screen with capacitive touch, with a resolution of 320x240; 2 USB3.2-A ports (pcie+ASM3042); a USB-C (2.0) interface that supports OTG and host power supply; 1 HDMI interface; 1 Gigabit Ethernet interface (RJ45); 1 DC-JACK DC power input interface (12V@3A); 2 HY2.0-4P expansion ports, which are I2C and UART interfaces respectively; built-in 2W speakers, equipped with AW88298 16-Bits I2S amplifier; 1 ATECC608B security encryption chip; 1 RTC chip BM8563; built-in active cooling fan and aluminum alloy heat sink frame. This product supports DIN rail, wall hanging, and screw fixing methods in structure, and is suitable for industrial automation, smart homes, and IoT fields.

To learn more about the CM4Stack boot configuration, visit (by Adam), or




Paired with Japanese power adapter


Paired with American version power adapter


Paired with European version power adapter


  • High-performance embedded system: built-in multiple powerful chips and interfaces, equipped with a 2.0-inch LCD screen and touch function, capable of displaying high-quality videos and images.

  • Multiple interfaces and functions: including antenna interface, 2W speaker, HDMI interface, USB-C (2.0) interface, USB3.2 interface, Gigabit Ethernet interface (RJ45), I2C interface, serial port, and DC power input port, supporting various peripheral devices and data transmission methods.

  • Security performance: equipped with a security authentication chip AW32901ID-KEY (ATECC608B), capable of secure data transmission and storage.

  • Clock function: equipped with RTC chip BM8563, capable of clock function.

  • Heat dissipation design: equipped with a heat dissipation base and heat dissipation fan to ensure stable system operation for a long time.


  • 1 x CM4Stack

  • 1 x CM4Stack Power Adapter (input:100-240VAC,output:DC_12V 3A)

  • 1 x Hex key 2mm

  • 1 x CM4Stack instruction manual

  • 1 x CM4Stack base snap

  • 1 x CM4Stack screw holder


  • Industrial Automation

  • Smart Home

  • Internet of Things (IoT)

  • Education and Development




CM4 Mainboard

CM4104032, processor: Broadcom BCM2711, quad-core Cortex-A72 64-bit SoC, clock speed 1.5 GHz, running memory (RAM): 4G, storage (eMMC): 32G

2.0 inch LCD

screen with touch function and ST7789V2 controller

Antenna Interface

connector for an external antenna


2W audio output with AW88298 driver

USB-C Port

USB 2.0 port with OTG function, powered by MP8759 and AW32901 controllers

I2C Interface

inter-integrated circuit interface for communication with other devices

Serial Port

communication interface for transmitting and receiving serial data

AC Power Input

100-240VAC ower input connector

DC Power Input

12V/3A DC power input connector

Gigabit Ethernet Port

RJ45 port for connecting to a gigabit Ethernet network

USB 3.2 Ports

Two USB 3.2 ports with ASM3042 controllers

Aluminum Heat Sink

DIN-rail mounted heat sink with a built-in cooling fan (ME1502)

Download Button

button for entering download mode


connector for transmitting high-definition video and audio


real-time clock module with BM8563

SY8003 and ME1502

Power management and control ICs


Audio amplifier IC

MP8759 and AW32901

USB power delivery and type-C port control ICs


cryptographic authentication IC for secure communication


USB 3.2 host controller


Real-time clock IC


2.4 GHz, 5.0 GHz IEEE 802.11 b/g/n/ac

Product Size


Package Size


Product Weight


Package Weight



Module Size


Powered By Raspberry Pi

Cm4Stack Development Kit (CM4104032)

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