# 單刀開關 ###### tags:'硬體' >[name=硬體組凌翊傑] #### :bulb:單通道模擬開關 Refernce:https://blog.csdn.net/m0_62877864/article/details/125790897 :::success 測試SPST開關模組 ::: ## :book:SPST工作原理 利用單片機控制IN端的高低電平變化就可以控制NO與COM的通斷  ### TS5A3166DBVR 單通道模擬開關  ### ADG411BR 四通道單刀開關   ####使用Arduino UNO板測試 以下為測試的程式碼 int in = 2; int NO=3; int led = 13; void setup() { Serial.begin(9600); pinMode(in, INPUT); pinMode(NO,INPUT); pinMode(led, OUTPUT); } void loop() { int buttonState = digitalRead(in); int buttonState1 = digitalRead(NO); if (buttonState == LOW) { //digitalWrite(led, LOW); //digitalWrite(led, HIGH); Serial.println(buttonState); } if(buttonState1==HIGH) { //digitalWrite(led, HIGH); Serial.println(buttonState1); } } 已確定這兩種開關皆符合需求,可以用於PCB的印製
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