KY-001: Skillnad mellan sidversioner

KY-001 (visa wikitext)

Versionen från 23 september 2013 kl. 20.05

1 979 byte lades till , 23 september 2013

ingen redigeringssammanfattning

VisuellWikitext

Niklas.skoldmark

124

redigeringar

@@ Rad 1: / Rad 1: @@
+== Om sensorn ==
 [[Fil:KY001.JPG]]
+Lorem ipsum
+== Koppling ==
+Lorem ipsum
+== Arduinokod ==
+Connect the signal to Arduino digital 10, and open serial port monitor:
+#include
+/* DS18S20 Temperature chip i/o
+ */
+OneWire ds(10); // on pin 10
+void setup(void) {
+ // initialize inputs/outputs
+ // start serial port
+ Serial.begin(9600);
+}
+void loop(void) {
+ byte i;
+ byte present = 0;
+ byte data[12];
+ byte addr[8];
+ int Temp;
+ if ( !ds.search(addr)) {
+      //Serial.print("No more addresses.n");
+      ds.reset_search();
+      return;
+ }
+ Serial.print("R="); //R=28 Not sure what this is
+ for( i = 0; i < 8; i++) {
+   Serial.print(addr[i], HEX);
+   Serial.print(" ");
+ }
+ if ( OneWire::crc8( addr, 7) != addr[7]) {
+      Serial.print("CRC is not valid!n");
+      return;
+ }
+ if ( addr[0] != 0x28) {
+      Serial.print("Device is not a DS18S20 family device.n");
+      return;
+ }
+ ds.reset();
+ ds.select(addr);
+ ds.write(0x44,1);        // start conversion, with parasite power on at the end
+ delay(1000);    // maybe 750ms is enough, maybe not
+ // we might do a ds.depower() here, but the reset will take care of it.
+ present = ds.reset();
+ ds.select(addr);
+ ds.write(0xBE);   // Read Scratchpad
+ Serial.print("P=");
+ Serial.print(present,HEX);
+ Serial.print(" ");
+ for ( i = 0; i < 9; i++) {        // we need 9 bytes
+   data[i] = ds.read();
+   Serial.print(data[i], HEX);
+   Serial.print(" ");
+ }
+ Temp=(data[1]<<8)+data[0];//take the two bytes from the response relating to temperature
+ Temp=Temp>>4;//divide by 16 to get pure celcius readout
+  //next line is Fahrenheit conversion
+ Temp=Temp*1.8+32; // comment this line out to get celcius
+ Serial.print("T=");//output the temperature to serial port
+ Serial.print(Temp);
+   Serial.print(" ");
+ Serial.print(" CRC=");
+ Serial.print( OneWire::crc8( data, 8), HEX);
+ Serial.println();
+}
+== Bibliotek ==
+* [[Arduino]]
+* [[C]]