Development v12

Warning - Product Update

All the resources present on this section belong to Waspmote v12, Waspmote Plug & Sense! v12 and Meshlium v3.8.

If you have a Waspmote v15, Waspmote Plug & Sense! v15 or Meshlium v4.0 please go to the new Development Section.

Check what is your version and what are the differences between the old and the new one in this document.

» BS 05: DS18B20 sensor

This example shows how to read the DS1820 temperature sensor

Required Materials

1 x Waspmote
1 x Battery
1 x MiniUSB wire
1 x DS18B20 temperature sensor (electronic adaptation needed)

Notes

This example can be executed in Waspmote v12 and Waspmote v15

Code

/*
 *  ------ [BS_05] Waspmote reading DS1820 temperature sensor --------
 *
 *  Explanation: This example shows how to read the DS1820 temperature sensor
 *
 *  Copyright (C) 2016 Libelium Comunicaciones Distribuidas S.L. 
 *  http://www.libelium.com 
 *  
 *  This program is free software: you can redistribute it and/or modify 
 *  it under the terms of the GNU General Public License as published by 
 *  the Free Software Foundation, either version 3 of the License, or 
 *  (at your option) any later version. 
 *  
 *  This program is distributed in the hope that it will be useful, 
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of 
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
 *  GNU General Public License for more details. 
 *  
 *  You should have received a copy of the GNU General Public License 
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>. 
 *  
 *  Version:           3.0 
 *  Design:            David Gascón 
 *  Implementation:    Marcos Yarza
 */

// Variables

float temp = 0;
 
 
void setup()
{
  // Init USB
  USB.ON();
  
}

void loop()
{
  // Reading the DS1820 temperature sensor connected to DIGITAL8
  temp = Utils.readTempDS1820(DIGITAL8);
  USB.print(F("DS1820 Temperature: "));
  USB.print(temp);
  USB.println(F(" degrees"));
  delay(1000);
}

Output

H#
DS1820 Temperature: 21.9375000000 degrees
DS1820 Temperature: 21.9375000000 degrees
DS1820 Temperature: 21.8750000000 degrees
DS1820 Temperature: 21.8750000000 degrees
DS1820 Temperature: 21.9375000000 degrees
DS1820 Temperature: 21.8750000000 degrees
DS1820 Temperature: 21.8750000000 degrees
DS1820 Temperature: 21.9375000000 degrees
DS1820 Temperature: 21.8750000000 degrees
DS1820 Temperature: 21.8750000000 degrees
DS1820 Temperature: 21.8750000000 degrees
DS1820 Temperature: 21.8750000000 degrees
DS1820 Temperature: 21.8750000000 degrees
DS1820 Temperature: 21.8750000000 degrees
DS1820 Temperature: 21.8750000000 degrees
DS1820 Temperature: 21.8750000000 degrees
DS1820 Temperature: 21.8750000000 degrees
DS1820 Temperature: 21.8750000000 degrees
...

Quick Publish: