LCD Press screen, 2.0 inch capacitive screen, resolution: 320 * 240; HD camera, ov2640 / 2 megapixel camera, shipped on board; Speaker (8 ohm 1W) for music and voice Digital microphone, 12s communication, can be used for recording; Six axis attitude sensor, 12C communication, can provide data of three-axis gyroscope and three-axis accelerometer Development board parameters: RGB light*1 Ordinary IO controlled RGB light, users can program to display different colors; LED light*2 LED0 is red light, LED1 is green light; Three-channel dial switch*1 can control the level of three IO ports; Reset button of K210 chip*1 Press to restart K210 chip; The BOOT button of the K210 chip*1 In addition to the BOOT function, it can also be used as a custom function button; MSM261S4030 digital microphone*1 12S communication, can be used for recording Speaker*1 8 ohm1W, can be used to and voice; OV2640 camera*1 is factory-installed and used to obtain camera images; CH340 chip*1 Download firmware and serial port debugging function; 128 mbit flash chip*1 Store program and data; Six-axis attitude sensor*1 IIC communication, which can provide data from two-axis gyroscope and three-axis accelerometer; LCD Press screen*1 2.0 inch LCD capacitive Press screen (ST7789+FT6236 mobile), factory installed, resolution: 320*240 Status indicator *1 indicates whether the power supply voltage of the development board is normal; Power switch*1 Turn on and off the main power of the development board; WiFi module*1 ESP8285-WIFI module, default AT firmware, can be connected to the Internet WiFi module reset button*1 Restart the module WiFi module BOOT key*1 Used to update the firmware of the WiFi module Type-c interface*1 power supply, download program and serial port debugging Microphone array interface*1 Used to connect a microphone array (microphone array needs to be purchased separately) IIC interface*1 can be connected to other C slave devices to read data External expansion pin *48 leads to 48 IO ports of K210, which can be connected to peripherals LCD interface*1 22pin, SPI parallel port communication, connect to LCD display Touchpad interface*1 6pin, 12C communication, connect to touchpad Camera interface*1 24pin, interface, connect to OV2640 camera, you can replace other cameras with the same interface such as ov5640 TF card slot*1 Used for external TF card to store data (TF card needs to be purchased separately, no more than 64G) WIFI module outlet pin *4 The factory model accepts that the jumper cap is inserted. When the jumper cap is inserted, it can be connected to the K210 for serial communication. The cap can be used as a separate module. WiFi module port pin header *8 can be programmed to control the IO port function of the WiFi module Colour: black Material: PCB Size: 10x7x2cm Package Contents: 1 * data line 1 * K210 development board kit 1 * English manual Only the above package content, other products are not included. Note: Light 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.