Core board features: Main chip BL808 RV64 480MHz+RV32 320MHz+NPU BLAI 100GOPS; Onboard SPI FLASH (default 16MByte). Support 2.4G WIFI/BT/ Support IPEX first generation antenna pedestal and PCB board antenna. Stamp hole leads out all IO. Development board features: Main chip BL808 RISC-V 480Mhz+NPU BLAI-100. On board USB to UART debugger (one click burning can be realized without pressing keys) On board display screen base. On board MIPI camera . Support 2.4G WIFI/BT/ On board 1 analog microphone, 1 LED, 1 TF card holder. Lead a USB OTG to USB Type-C interface Parameters: Core board: Items:(BL808) CPU:480M RV64GCV+ 320M RV32GCP+ 160M RV32EMC RAM:768K SRAM+64MB UHS PSRAM(2000M) Flash:16MB System:FreeRTOS / Linux NPU:100GOPS with OPS camera:MIPI+DVP,up to 1080P H264 Display:SPI/8bit MCU/RGB LCD Audio:I2S+ Analog Audio Input/output Wireless:WIFI + + Zigbee USB:USB2.0 OTG Accelerator: Scaler,OSD,MJPED,G2D,H264 Penpheral:UART, SPI, IIC, SDIO ETH(RMII), /DAC Size:31 x 18 mm Development base plate: Items:M1s Dock Core:M1s(BL808) Camera:2MP MIPI OV2685(two-side) with flash LED LCD:1.68 inch 280x240 with CTP Audio:Analog MEMS MIC + LineOut Microsd slot: SDHC/JTAG mode Buttons:Reset++ x 2 USB:USB to Dual Serial x 1+USB OTG Other: 4P x 1.25mm connector (serial port) pins: 2 x 16 Pins for bread board JTAG: support for TF2JTAG Enclosure: support Size:27 x 55 mm Material: PCB+metal colour: black Package Contents: 1 x M1S DOCK development board 1 x M1S core board 2 x Row needle 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.