Features: This Sipeed M1s Dock development board is equipped with a secure FPC socket for easy connection and ensures safe operation with voltage control. Electrical Protection: Be careful to avoid electricity hitting the PCBA; Please discharge all electricity from your hands before touching the PCBA. The working voltage for each GPIO mark in the schematic. Please do not let the actual working voltage of GPIO exceed the value, otherwise it will cause permanent damage to the PCBA. When connecting the flexible FPC ribbon cable, make sure the ribbon cable is fully inserted into the ribbon cable without any offsets. Insertion and removal: Turn off completely before performing insertion and removal. Avoid Short Circuit: Avoid liquid or metal contact with the component solder pads on the PCBA during power on, otherwise it may cause a short circuit and burn the PCBA. Specifications: Item: Sipeed M1s Dock Development Board Features: AI+IoT BL808 RISC-V Flash: 16MB System: FreeRTO Display: SPI/8bitMCU/RGB LCD Wireless: WIFI+BLE+Zigbee USB: USB2.0 HS Package Types: A: Development Board / B: Camera Kit / C: Screen Accessories / D: Case / E: TF2JTAG Debugger Note: Due to the problems of lighting effects and shooting angles, there may be certain tolerances in the product, please understand. Please allow 0-1cm error due to manual measurement. Package Includes: 1 Set Sipeed M1s Dock Development Board