Artouste:
bonne photo de ton montage ?
passe un coup de scanner onewire#include <OneWire.h>
OneWire ds(2); // don't forget 4.7K resistor between +5V and DQ pin
void setup(void) {
Serial.begin(9600);
}
void loop(void) {
byte i;
byte present = 0;
byte data[12];
byte addr[8];
if ( !ds.search(addr)) {
Serial.println("--------------");
Serial.println(".");
Serial.println(".");
Serial.println("END OF SCAN.");
Serial.println(".");
Serial.println();
ds.reset_search();
delay(2500);
return;
}
Serial.println("--------------");
Serial.print(" ROM =");
for ( i = 0; i < 8; i++) {
Serial.write(' ');
if ( addr[i] < 16) {
Serial.print("0");
}
Serial.print(addr[i], HEX);
}
if (OneWire::crc8(addr, 7) != addr[7]) {
Serial.println("CRC is not valid!");
return;
}
Serial.println();
Serial.print("CHIP FAMILY ");
Serial.print(addr[0], HEX);
// the first ROM byte indicates which chip
Serial.print(" = ");
switch (addr[0]) {
case 0x01:
Serial.println(" DS1990 DS2401"); //
break;
case 0x02:
Serial.println(" DS1991"); //
break;
case 0x04:
Serial.println(" DS1994"); //
break;
case 0x05:
Serial.println(" DS2405"); //
break;
case 0x06:
Serial.println(" DS1992"); //
break;
case 0x08:
Serial.println(" DS1993"); //
break;
case 0x0B:
Serial.println(" DS1985");
break;
case 0x10:
Serial.println(" DS1820 DS18S20 DS1920");
break;
case 0x12:
Serial.println(" DS2406");
break;
case 0x1D:
Serial.println(" DS2423");
break;
case 0x21:
Serial.println(" DS1921");
break;
case 0x22:
Serial.println(" DS1822");
break;
case 0x23:
Serial.println(" DS2433");
break;
case 0x24:
Serial.println(" DS1904");
break;
case 0x28:
Serial.println(" DS18B20");
break;
case 0x29:
Serial.println(" DS2408");
break;
case 0x2C:
Serial.println(" DS2890");
break;
case 0x36:
Serial.println(" DS2740");
break;
case 0x3B:
Serial.println(" DS1825");
break;
case 0x41:
Serial.println(" DS1923");
break;
case 0xB3:
Serial.println(" CHIP cartouche laser");
break;
default:
Serial.println(" is not listed.");
return;
}
}
J'ai trouvé le problème je crois, mes résistances ne marchent pas...