问如何在Arduino中使用MQ135查找Co2和O2级别EN在我们的测试自动化代码中，我们通常更喜欢使用id，名称，类等这些定位符。但是，有时我们在DOM中找不到它们中的任何一个，而且有时某些元素的定位符在DOM中会动态变化。在这种情况下，我们需要使用智能定位器。这些定位器必须能够定位复杂且动态变化的Web元素。
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//Include the library #include <MQUnifiedsensor.h> /***Hardware Related Macros***/ #define Board ("Arduino UNO") #define Pin (A4) //Analog input 4 of your arduino /***Software Related Macros***/ #define Type ("MQ-4") //MQ4 #define Voltage_Resolution (5) #define ADC_Bit_Resolut...
("MQ-4") //MQ4 #define Voltage_Resolution (5) #define ADC_Bit_Resolution (10) // For arduino UNO/MEGA/NANO #define RatioMQ4CleanAir (4.4) //RS / R0 = 60 ppm /***Globals***/ //Declare Sensor MQUnifiedsensor MQ4(Board, Voltage_Resolution, ADC_Bit_Resolution, Pin, Type); // ...
Arduino MQ135空气质量检测模块 摘要:参考:https://www.jianshu.com/p/db2be7aa6659 本文将介绍MQ135的两种使用方法 不使用库文件 使用别人写好的库文件 1.不使用库文件 准备材料 Arduino Uno *1 MQ-135 传感器 *1 跳线 *3 面包板 *1 接线 接线示意图 MQ135 A 阅读全文 posted @ 2021-01-28 17:...
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// For UNO and otherswithout hardware serial, we must use software serial... // pin #2 is IN from sensor (GREEN wire) // pin #3 is OUT from arduino(WHITEwire) // Set up the serial port to use softwareserial.. SoftwareSerial mySerial(2, 3); ...
Collection Arduino Board Arduino UNO Arduino NANO Arduino MINI Arduino PRO-MINI Arduino MEGA1280 Arduino MEGA2560 Arduino Genuio Arduino Lilypad NodeMCU ESP8266 (No Simulation)ComponentC945 Transistor ModuleDS1307 RTC Module OutputLCD Display (16X2, 20X4) Power...