[Product Introduction], Milk-V Duo is an MPU developed based on CVITEK CV1800B chip that can run LINUX and RTOS., Milk-V Duo provides , IoT enthusiasts, hobbyists, DIYers a reliable, low-cost and extremely capable platform for building and tinkering with their , helping them become Reality. [Product parameters], Processor: CVITEK CV1800B (906@1GHz; 906@700MHz), Memory: DDR2 64MB, Storage: 1 Mirco-SD slot, 1 SD pad, USB: 1 Type-C for data and power, 1 USB2 pad, Camera: 1 16P FPC socket (MIPI 2 channels), GPIO : 26 pins available for general I/O (GPIO), Size: 21mm x 51mm processor:, 1GHz and 70OMHZ RISC-V C906 processor []Integrate CVITEK TPU to realize intelligent detection, Support 264/265 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 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, -2 (MIPl Serial Camera):With 16-pin FPC interface for 2-wire MIPI camera input. Operate l2C, CLK and signals at 1.8V voltage level. 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, rt 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 Size: 51x21mm 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 (0.1inch) pitch grid with 1mm holes Compatible with veroboard and breadboard Please note that due to different batches, there may be differences in the appearance, color, and printing of the product, which will not affect its use Colour:random colors, don't accept the specified color Material:PCB Package Contents: 1 x Development Board Kit(random colors, don't accept the specified color) 1 x 2MP CAM GC2083 Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.