Features: This Sipeed M1s Dock development board equipped with a secureFPC socketfor easy connection and ensures safe operation with voltagecontrol. Electricity protection: Please be careful to avoid electricity hit the PCBA; Please discharge any electricity from your hands before touchingPCBA. The working voltageof each GPIO mark in the schematic. Please do not let the actual working voltageof the GPIO exceed the value, otherwise it will cause permanent damage to the PCBA. When connect theFPC flexible ribbon cable, please ensure that the ribbon cable is fully inserted into the ribbon cable without any offsets. Insertion and removal: Please completely poweroff before performing the insertion and removal operation. Avoid shortcircuit: Please avoid any liquid or metal contact with the solder pad of the components on the PCBA during power process, otherwise it may cause shortcircuit 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:Display Screen Accessory/D：Enclosure/E: TF2JTAG Debugger Package Includes: 1 Set Sipeed M1s Dock Development Board note: Due to the problemsof lighting effects and shootingangles, there will mightbe certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.