Serial.begin(9600);//sets the serial port to 9600Serial.println("Gas sensor warming up! 气体传感器预热"); delay(20000);//allow the MQ-6 to warm up} voidloop() { sensorValue= analogRead(MQ2pin);//read analog input pin 0Serial.print("Sensor Value:"); Serial.print(sensorValue);if...
* connection: * MQ-2 gas sensor Uno R3 * D0 7 * A0 A0 * GND GND * VCC 5V */ const int ledPin=13;//the led attach to pin13 const int analogPin=A0;//the D0 on the Module attach to pin7 on the Arduino const int digitalPin=7;//the D0 attach to pin7 int Astate=0; bool...
Serial.println("Gas sensor warming up! 气体传感器预热"); delay(20000); // allow the MQ-6 to warm up } void loop() { sensorValue = analogRead(MQ2pin); // read analog input pin 0 Serial.print("Sensor Value: "); Serial.print(sensorValue); if(sensorValue < 300) //阈值 根据实际情况...
floatanalog_value; float VRL; float Rs; float Ro; for(int test_cycle = 1 ; test_cycle <= 500 ; test_cycle++) //Read the analog output of the sensor for 200 times { analog_value = analog_value + analogRead(A0); //add the values for 200 } analog_value = analog_value/500.0; /...
This function is defined toreadgaslevelsfrom the analog pin connected to the gas sensor and determine the air quality basedonpredefined thresholds. It also displays the gas level and qualityonthe OLED screen. void setup() { Serial.begin(9600); ...
#define MG_PIN (0) //define which analog input channel you are going to use #define BOOL_PIN (2) #define DC_GAIN (8.5) //define the DC gain of amplifier /***Software Related Macros***/ #define READ_SAMPLE_INTERVAL (50) //define how many samples you are going to...
MQ135 gasSensor = MQ135(ANALOGPIN); void setup() { Serial.begin(9600); } void loop() { float ppm = gasSensor.getPPM(); Serial.println(ppm); delay(1000); } 实验表明 1、使用优化的"MQ135"库非常有必要,检测性能大幅度提高; 2、MQ-135 可以检测上述提及的气体,但它并不能区别这些气体。如...
Serial.begin(9600);// sets the serial port to 9600Serial.println("Gas sensor warming up!");delay(20000);// allow the MQ-6 to warm up 循环功能:传感器值由analogRead()函数读取并显示在串行监视器上。 sensorValue=analogRead(MQ2pin);// read analog input pin 0Serial.print("Sensor Value: ")...
-Dual-way Signal Output, Analog output and TTL level outputHigh sensitivity to LPG, gas, alcohol, hydrogen and more -Fast response and recovery -Good steadiness and long service life -Great for home or factory gas leakage detection -Use for Detecting: Combustible gas such as ...
MQ135 gasSensor = MQ135(ANALOGPIN); voidsetup() { Serial.begin(9600); } voidloop() { floatppm = gasSensor.getPPM(); Serial.println(ppm); delay(1000); } 实验表明 1、使用优化的"MQ135"库非常有必要,检测性能大幅度提高; 2、MQ-135 可以检测上述提及的气体,但它并不能区别这些气体。如果你...