夏普GP2Y1010AU0F-粉塵傳感器參考程序.doc

夏普GP2Y1010AU0F_粉塵傳感器參考程序簡(jiǎn)介：Sharps GP2Y1010AU0F 是一款光學(xué)空氣質(zhì)量傳感器，設(shè)計(jì)用來(lái)感應(yīng)空氣中的塵埃粒子，其內(nèi)部對(duì)角安放著紅外線發(fā)光二極管和光電晶體管，使得其能夠探測(cè)到空氣中塵埃反射光，即使非常細(xì)小的如煙草煙霧顆粒也能夠被檢測(cè)到，通常在空氣凈化系統(tǒng)中應(yīng)用。該傳感器具有非常低的電流消耗（最大20mA，典型值11mA），可使用高達(dá)7VDC。該傳感器輸出為模擬電壓，其值與粉塵濃度成正比?？蓽y(cè)量0.8微米以上的微笑粒子,感知煙草產(chǎn)生的咽氣和花粉,房屋粉塵等.體積小,重量輕,便于安裝，廣泛應(yīng)用于空氣清新機(jī),換氣空調(diào),換氣扇等產(chǎn)品.靈敏度：0.5V/0.1mg/m3尺寸:46.0 30.0 17.6 mm)Do not miss the 150ohm resistor and a 220uF capacitorSensor PinArduino Pin1Vled5V (150ohm resistor)2LED-GNDGND3LEDDigital pin 24S-GNDGND5VoAnalog pin 06Vcc5VThe LED pin has to be modulated with a cycle of 1ms as discussed in the datasheet.The LED seems to use a PNP transistor so to power on, the LED pin must actually recieve a lower voltage.例程;int dustPin=0;int dustVal=0;int ledPower=2;int delayTime=280;int delayTime2=40;float offTime=9680;void setup()Serial.begin(9600);pinMode(ledPower,OUTPUT);pinMode(4, OUTPUT);void loop()/ ledPower is any digital pin on the arduino connected to Pin 3 on the sensordigitalWrite(ledPower,LOW); / power on the LEDdelayMicroseconds(delayTime);dustVal=analogRead(dustPin); / read the dust value via pin 5 on the sensordelayMicroseconds(delayTime2);digitalWrite(ledPower,HIGH); / turn the LED offdel