[Product Introduction] Milk-V Duo is an MPU developed based on CVITEK CV1800B chip that can run LINUX and RTOS.. Milk-V Duo provides professionals,IoT enthusiasts, hobbyists, DIYers a reliable, low-cost and extremely capable platform for building and tinkering with their ideas, helping them become Reality.     [Product parameters] Processor: CVITEK CV1800B (906@1GHz; 906@700MHz). Memory: DDR2 64MB. Storage: 1 Mirco-SD slot, 1 SD NAND pad. USB: 1 Type-C for data and power, 1 USB2 pad. Camera: 1 16P FPC socket (MIPI CSI 2 channels). GPIO : 26 pins available for general purpose I/O (GPIO). Size: 21mm X 51mm     processor:. 1GHz and 70OMHZ RISC-V C906 processor.Integrate CVITEK TPU to realize intelligent detection. Support H.264/H.265 video encoding, up to 2880x1620@20fps. Compatible with HD CMOS sensors. Programmable frequency output for sensor clock. Comprehensive ISP features for image optimization. Some OpenCV libraries support CV hardware acceleration. 16-bit audio codec with built-in microphone input and output. Flexible network configuration with 1 Ethernet PHY     CSI-2 (MIPI Serial Camera):With 16-pin FPC interface for 2-wire MIPI camera input. Operate l2C, CLK and RST signals at 1.8V voltage level     Ethernet:Milk-V Duo includes CV1800B chip and 100Mbps physical layer. PHY connected to 5-pin pad. Ethernet use requires external transformer and RJ45 socket.          GPIOs:     [Up to 26 GPIO pins on the MilkV Duo 40-pin header to access internal peripherals such as SDIO, I2C, PWM, SPI, J-TAG, and UART.     Up to 3xI2C     up to 5xUART     Up to 1xSDIO1     Up to 1xSPI     Up to 2xADC     Up to 7xPWM     Up to 1xRUN     Up to 1xJTAG     USB interface:     Compatible with USB 2.0, backward compatible with USB 1.1     Support for various speed modes, host/device capabilities and transports     protocol:     Scalable interface via USB hub (up to 127 devices)     Power saving mode, support HID devices     USB with configurable software     USB Type-C for accessing storage media     Micro-SD:     SDIO 0 is compatible with the Secure Digital Storage (SD3.0) protocol     Board Specifications:     Single-sided PCB     Thickness: 1mm     Type-C port located on the top edge     Dual Slotted/Through Hole Headers Around Remaining Edge     Available as surface mount modules or in dual in-line package (DIP) format     40 primary user pins on 2.54mm (0.