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.

» AM 03: LDR Reading

This is the basic code to read the LDR sensor.

Required Materials

1 x Plug & Sense! Ambient Control
1 x Luminosity Probe For Ambient Control

Notes

- This example can be executed in Waspmote v12 and Waspmote v15

Code

/*  
 *  ------------  [AM_03] - LDR sensor reading  -------------- 
 *  
 *  Explanation: This is the basic code to read the LDR 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:  Luis Miguel Marti
 */

#include <WaspSensorAmbient.h>

float analogLDRvoltage;


void setup() 
{
  USB.ON();
  USB.println(F("LDR value example"));
}

void loop()
{

  // LDR reading (volts)
  analogLDRvoltage = SensorAmbient.getLuminosity();

  USB.print(F("LDR:"));
  USB.println(analogLDRvoltage);

  //wait 2 seconds
  delay(2000);
}

Output

H#
LDR value example
LDR:0.0645161247
LDR:0.3064516067
LDR:0.1225806474
LDR:0.3161290168
...

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