bbt:ds0901传感器类型 :ntc sensor电极数量 :4-pin connectoroembmw
int sensor_pin = 2; int buzzerpin = 3; void alarm() //蜂鸣器
为数字12接口int val=0;//定义数字变量valint sensor_threshold=40
cmos 752x480pixels 48-pin clcc 商品信息: image sensor mon
1/2" x 1 3/8" stainless steel clevis pin
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