"Mini Base Board for Raspberry Pi Compute Module 4, with RTCThis is the base IO board for the 4th generation of the Raspberry Pi Compute Module.
With a special 40-pin LCD connector, it is also easier and quicker to integrate into projects.
Technical dataCM4 socket: suitable for all variants of the Compute Module 4LAN: Gigabit Ethernet RJ45 connectionM.
2 M KEY, supports communication modules or NVME SSDConnections Raspberry Pi 40PIN GPIO connectorUSB: USB 2.0 type A × 2Display: LCD connector (40pin 0.
5mm FPC connector)Camera: 2x MIPI CSI-2 camera connector (15-pin 1.0 mm FPC connector)Video: 2x HDMI connector, supports 4K 30fps outputRTC: Real-time clock with battery socket and the option to wake up the Compute Module 4Memory: MicroSD card socket for Compute Module 4 Lite (without eMMC) variantsFan header: enables the speed to be set, 5 VInput voltage: 5 VDimensions (LxW): 85 × 62 mmScope of deliveryMini base board CM4-IO-BASE-CSSD mounting screwExternal linkshttps://www.waveshare.com/wiki/CM4-IO-BASE-C"