# 如何讀取感應器數值?

**解決方法：**使用序列埠(Serial)印出。以讀取超音波感應器的數值為例，操作步驟為：

Step1.從FlipCode左方工具列找出【序列埠動作】->【序列埠印出】拼圖，與需要讀取的感應器拼圖，放到重複執行拼圖中。

![](/files/-LyiV8py5TpV1u5BygNG)

Step2.燒錄FlipCode到FlipRobot中，並按下FlipRobot上的切換鈕，以執行重複執行拼圖中的程式。

Step3.從FlipCode上方工具列點選 Serial，即可即時查看感應器回傳的數值。

![](/files/-LyiVGsm6VhyX5_826jy)


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