The Arduino is an inexpensive, adaptable, and programmable open source microprocessor that can read data input in the form of voltage at its analog pins.
Arduino是一种经济的、可调节和可编程的开源微处理器，可读取其模拟插脚处的电压形式的数据输入。
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This parameter quantifies the time, measured in sample intervals, between when a sample of data is generated on analog output and when it is read on the analoginput.