# 微動感應器
## **什麼是微動感應器**
微動感應器是一種尺寸很小而又非常靈敏的彈簧引開關，微動感應器大多安裝在按鍵式機構下，其原理是當按鍵被按壓時，微動感應器內的金屬彈簧片就會被觸發，改變電子零件的信號傳遞。
FlipRobot的微動感應器沒有按壓時，不會產生訊號(即0)；按壓時，產生訊號(即1)。
## **微動感應器的應用**
下面的程式範例將實作微動感應器的感測。
如下圖，微動感應器回傳的偵測數值(透過下圖中藍色程式積木可以得到回饋的數值)等於0(即沒有按壓微動感應器)的條件成立時，執行前進的功能，否則執行右轉的功能(表示微動感應器被按壓，其偵測的數值等於1)。
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