1. Front

①Type-C interface: power supply, download firmware and serial port debugging, etc.

②Status indicator: Indicate whether the 3.3V, 1 8V voltage of the development board is normal,

and the light is on when it is normal. And the WiFi module BOOT level indicator.

③WiFi module serial port and buttons: can be used to burn the firmware of the WiFi module or

communicate with the K210 serial port.

④Dial switch keypad: Three-channel dial switch.

⑤Reset button: the reset button of K210 chip.

⑥External expansion pin header: The development board has led out all the I0 ports of K210 for

connecting with external devices.

⑦BOOT button: can be used as a custom function button.

⑧RGB light: set three I0 port levels to light up different colors.

⑨I2C interface: external I2C slave device can be connected for communication

⑩LED light: LEDO and LED1.

⑪Microphone array interface: used to connect a microphone array.

⑫Microphone: record sound.

Back

①Speaker: play sound.

②Camera interface: connect the camera.

③WiFi module: ESP8285-WiFi module, which can realize IOT function on the Internet.

④CH340 chip: download firmware and serial port debugging function.

⑤Power switch: the main power switch of the development board, turn ON to open,

turn OFF to turn off.

⑥flash chip: used to save program firmware and data.

⑦Six-axis attitude sensor: The inside is composed of a three-axis gyroscope and a

three-axis accelerometer.

⑧TF card slot: You need to insert the TF card yourself, with the golden finger facing

the development board.

(Please prepare TF card by yourself)