夏普 GP2Y1010AU0F 灰尘传感器

来自Jack's Lab
（版本间的差异）
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第44行： 第44行：
 
  Sharp pin 6 (Vcc)    => 5V
 
  Sharp pin 6 (Vcc)    => 5V
 
  */
 
  */
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#include <SPI.h>
 
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#include <Ethernet.h>
 
 
#include <stdlib.h>
 
#include <stdlib.h>
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byte mac[] = {
 
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  0x90, 0xA2, 0xDA, 0x0D, 0x27, 0x55};
 
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IPAddress ip(192,168,1,90);
 
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IPAddress gateway(192,168,1,1);
 
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IPAddress subnet(255, 255, 255, 0);
 
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// initialize the library instance:
 
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EthernetClient client;
 
  
 
long lastConnectionTime = 0;        // last time you connected to the server, in milliseconds
 
long lastConnectionTime = 0;        // last time you connected to the server, in milliseconds
−
boolean lastConnected = false;      // state of the connection last time through the main loop
 
 
const int postingInterval = 10000;  //delay between updates to Pachube.com
 
const int postingInterval = 10000;  //delay between updates to Pachube.com
  
第79行： 第67行：
 
   pinMode(ledPower,OUTPUT);
 
   pinMode(ledPower,OUTPUT);
  
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  // give the ethernet module time to boot up:
 
 
   delay(1000);
 
   delay(1000);
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  // start the Ethernet connection:
 
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  if (Ethernet.begin(mac) == 0) {
 
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    Serial.println("Failed to configure Ethernet using DHCP");
 
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    // Configure manually:
 
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    Ethernet.begin(mac, ip);
 
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  }
 
 
   i=0;
 
   i=0;
 
   ppm =0;
 
   ppm =0;
第95行： 第76行：
 
   digitalWrite(ledPower,LOW); // power on the LED
 
   digitalWrite(ledPower,LOW); // power on the LED
 
   delayMicroseconds(delayTime);
 
   delayMicroseconds(delayTime);
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   dustVal=analogRead(dustPin); // read the dust value
+
   dustVal = analogRead(dustPin); // read the dust value
 
   ppm = ppm+dustVal;
 
   ppm = ppm+dustVal;
 
   delayMicroseconds(delayTime2);
 
   delayMicroseconds(delayTime2);
第101行： 第82行：
 
   delayMicroseconds(offTime);
 
   delayMicroseconds(offTime);
  
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+
   if((millis() - lastConnectionTime > postingInterval)) {
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   // if there's incoming data from the net connection.
+
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  // send it out the serial port.  This is for debugging
+
−
  // purposes only:
+
−
  if (client.available()) {
+
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    char c = client.read();
+
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    //Serial.print(c);
+
−
  }
+
−
 
+
−
  // if there's no net connection, but there was one last time
+
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  // through the loop, then stop the client:
+
−
  if (!client.connected() && lastConnected) {
+
−
    Serial.println();
+
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    Serial.println("disconnecting.");
+
−
    client.stop();
+
−
  }
+
−
 
+
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  // if you're not connected, and ten seconds have passed since
+
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  // your last connection, then connect again and send data:
+
−
  if(!client.connected() && (millis() - lastConnectionTime > postingInterval)) {
+
 
     voltage = ppm/i*0.0049;
 
     voltage = ppm/i*0.0049;
 
     dustdensity = 0.17*voltage-0.1;
 
     dustdensity = 0.17*voltage-0.1;
第138行： 第100行：
 
     i=0;
 
     i=0;
 
     ppm=0;
 
     ppm=0;
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    Serial.println(dataString);
 
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    sendData(dataString);
 
 
     Serial.println(dataString);
 
     Serial.println(dataString);
 
     delay(1000);
 
     delay(1000);
 
   }
 
   }
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  // store the state of the connection for next time through
 
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  // the loop:
 
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  lastConnected = client.connected();
 
 
}
 
}
  
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// this method makes a HTTP connection to the server:
 
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void sendData(String thisData) {
 
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  // if there's a successful connection:
 
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  if (client.connect("www.pachube.com", 80)) {
 
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    Serial.println("connecting...");
 
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    // send the HTTP PUT request.
 
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    // fill in your feed address here:
 
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    client.print("PUT /api/YOUR_FEED_HERE.csv HTTP/1.1\n");
 
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    client.print("Host: www.pachube.com\n");
 
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    // fill in your Pachube API key here:
 
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    client.print("X-PachubeApiKey: YOUR_KEY_HERE\n");
 
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    client.print("Content-Length: ");
 
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    client.println(thisData.length(), DEC);
 
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    // last pieces of the HTTP PUT request:
 
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    client.print("Content-Type: text/csv\n");
 
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    client.println("Connection: close\n");
 
−
 
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    // here's the actual content of the PUT request:
 
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    client.println(thisData);
 
−
 
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    // note the time that the connection was made:
 
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    lastConnectionTime = millis();
 
−
 
−
  }
 
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  else {
 
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    // if you couldn't make a connection:
 
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    Serial.println("connection failed");
 
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  }
 
−
}
 
 
</source>
 
</source>
  

2015年7月17日 (五) 18:15的版本

目录

1 概述

GP2Y1010 Datasheet: https://www.sparkfun.com/datasheets/Sensors/gp2y1010au_e.pdf



2 PIN

Sharp.gy1010.pin.jpg 

Sharp pin 1 (V-LED)   => 5V (connected to 150ohm resister)
Sharp pin 2 (LED-GND) => Arduino GND pin
Sharp pin 3 (LED)     => Arduino pin 2
Sharp pin 4 (S-GND)   => Arduino GND pin
Sharp pin 5 (Vo)      => Arduino A0 pin
Sharp pin 6 (Vcc)     => 5V



3 电路

Sharp.gy1010.circuit.gif



4 程序

/*
 Interface to Sharp GP2Y1010AU0F Particle Sensor
 Program by Christopher Nafis 
 Written April 2012
 
 http://www.sparkfun.com/datasheets/Sensors/gp2y1010au_e.pdf
 http://sensorapp.net/?p=479
 
 Sharp pin 1 (V-LED)   => 5V (connected to 150ohm resister)
 Sharp pin 2 (LED-GND) => Arduino GND pin
 Sharp pin 3 (LED)     => Arduino pin 2
 Sharp pin 4 (S-GND)   => Arduino GND pin
 Sharp pin 5 (Vo)      => Arduino A0 pin
 Sharp pin 6 (Vcc)     => 5V
 */
#include <stdlib.h>

long lastConnectionTime = 0;        // last time you connected to the server, in milliseconds
const int postingInterval = 10000;  //delay between updates to Pachube.com

int dustPin=0;
int ledPower=2;
int delayTime=280;
int delayTime2=40;
float offTime=9680;

int dustVal=0;
int i=0;
float ppm=0;
char s[32];
float voltage = 0;
float dustdensity = 0;
float ppmpercf = 0;

void setup(){
  Serial.begin(9600);
  pinMode(ledPower,OUTPUT);

  delay(1000);
  i=0;
  ppm =0;
}

void loop(){
  i=i+1;
  digitalWrite(ledPower,LOW); // power on the LED
  delayMicroseconds(delayTime);
  dustVal = analogRead(dustPin); // read the dust value
  ppm = ppm+dustVal;
  delayMicroseconds(delayTime2);
  digitalWrite(ledPower,HIGH); // turn the LED off
  delayMicroseconds(offTime);

  if((millis() - lastConnectionTime > postingInterval)) {
    voltage = ppm/i*0.0049;
    dustdensity = 0.17*voltage-0.1;
    ppmpercf = (voltage-0.0256)*120000;
    if (ppmpercf < 0)
      ppmpercf = 0;
    if (dustdensity < 0 )
      dustdensity = 0;
    if (dustdensity > 0.5)
      dustdensity = 0.5;
    String dataString = "";
    dataString += dtostrf(voltage, 9, 4, s);
    dataString += ",";
    dataString += dtostrf(dustdensity, 5, 2, s);
    dataString += ",";
    dataString += dtostrf(ppmpercf, 8, 0, s);
    i=0;
    ppm=0;
    Serial.println(dataString);
    delay(1000);
  }
}



5 参考

























来自“http://wiki.jackslab.org/index.php?title=%E5%A4%8F%E6%99%AE_GP2Y1010AU0F_%E7%81%B0%E5%B0%98%E4%BC%A0%E6%84%9F%E5%99%A8&oldid=4220”
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