CM4 Base Board (Advanced C Version) for Compute Module 4, with Raspberry Pi 40PIN GPIO Header/MIPI CSI Camera Ports/LCD Display Port/Fan/HDMI/USB/Gigabit Ethernet RJ45 Connector - waveshare, BC-CM4 Board (C)-228

• Mini Base Board (Advanced Version) for all variants of Compute Module 4 --- suitable for evaluating the Raspberry Pi CM4 or being integrated into end products. Dedicated 40PIN LCD Connector--- Support Waveshare 7inch IPS/QLED Integrated Display series screen, Easy to integrate integrated design for fast embedding in engineering applications Connecting with Compute Module 4---standard CM4 socket and color-coded Raspberry Pi 40PIN GPIO header. suitable for Compute Module 4 Lite/eMMC series module Small but complete board---Including CM4 Socket/LCD Interface/ CSI Camera Port/ RJ45 Gigabit Ethernet/USB Hub Chip/RTC Chip/40PIN GPIO Header, etc. 1.Do not unplug any devices except USB and HDMI when powering on 2.USB2.0 is closed by default, and you need to add "dtoverlay=dwc2,dr_mode=host" in "config.txt" when using. 3.Only support fans with 5V, No support 12V. Please check the voltage of the fan before connecting. 4.Only support LCD direct connection, as no DSI interface. 5.This expansion board does not support POE function. 6.When using CM4, you must provide 5V 2A for it, otherwise, it may shut down, lower frequency or etc.