Gpio_Key_Led - Waveshare Open407V-C Testing Manual

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Insert the DS18B20 to the ONE-WIRE Interface.
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Connect the serial port converter to the board via UART3.
As shown in the figure below:
Operation and Result
Launch the serial debugging assistant, and configure it as described in chapter "Preparation".
Info/message will be displayed on the serial debugging assistant.
Overview
LED, push button, joystick demo

GPIO_Key_LED

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Open407V-C\Open207V-C Testing Guide