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IDUINO for Maker’s life

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DS18B20 Temperature Sensor(SE029)

1．Introduction

This module is temperature sensor with chipDS18B20, It’s different from other NTC-

MF523950 temperature sensor(ST1147) or LM35 temperature sensor(SE039). This

module has one indicator light, which would be on when this module’s voltage signal

is changed. And, this module has integrated 3-pin terminal, which can be simply and

tidily connected with Arduino sensor expansion board, like the following picture:

The Module’s feature as below:

Feature

Value

Chip

DS18B20

Temperature Range

-55℃~+125℃

Accuracy

+/- 0.5℃

Supply voltage

5V DC

2.Pinout

Description

DAT

Signal pin

VCC

Power(reference voltage:5V DC)

GND

Ground

Summary of content (4 pages)

PAGE 1
IDUINO for Maker’s life DS18B20 Temperature Sensor(SE029) 1．Introduction This module is temperature sensor with chipDS18B20, It’s different from other NTCMF523950 temperature sensor(ST1147) or LM35 temperature sensor(SE039). This module has one indicator light, which would be on when this module’s voltage signal is changed.
PAGE 2
IDUINO for Maker’s life 3 Example This is a simple code for the DS18B20temperature module, Wire as below: Example code : ******Code begin****** #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) { //For conversion of raw data to C int HighByte, LowByte, TReading, SignBit, Tc_100, Whole, Fract; byte i; byte present = 0; byte data[12]; www.openplatform.
PAGE 3
IDUINO for Maker’s life byte addr[8]; if ( !ds.search(addr)) { Serial.print("No more addresses.\n"); ds.reset_search(); return; } Serial.print("R="); 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] == 0x10) { Serial.print("Device is a DS18S20 family device.\n"); } else if ( addr[0] == 0x28) { Serial.print("Device is a DS18B20 family device.\n"); } else { Serial.
PAGE 4
IDUINO for Maker’s life 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(" "); } Serial.print(" CRC="); Serial.print( OneWire::crc8( data, 8), HEX); Serial.