» Ga v30 01: BME280 sensor
This example read the temperature, humidity and pressure values from BME280 sensor
Required Materials
1 x Waspmote
1 x Battery
1 x MiniUSB wire
1 x Gases Board v30
1 x BME sensor
Notes
- This example is valid only for Waspmote v15
Code
/*
* ------------ [Ga_v30_01] - Temperature, Humidty and Pressure --------------
*
* Explanation: This example read the temperature, humidity and
* pressure values from BME280 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: Ahmad Saad
*/
// Library include
#include <WaspSensorGas_v30.h>
#include <WaspFrame.h>
float temperature; // Stores the temperature in ºC
float humidity; // Stores the realitve humidity in %RH
float pressure; // Stores the pressure in Pa
char node_ID[] = "BME280_example";
void setup()
{
USB.ON();
USB.println(F("Temperature, Humidity an Pressure example"));
// Set the Waspmote ID
frame.setID(node_ID);
///////////////////////////////////////////
// 1. Turn on the board
///////////////////////////////////////////
// Switch ON and configure the Gases Board
Gases.ON();
delay(100);
}
void loop()
{
///////////////////////////////////////////
// 2. Read sensors
///////////////////////////////////////////
// Read enviromental variables
temperature = Gases.getTemperature();
humidity = Gases.getHumidity();
pressure = Gases.getPressure();
// Print of the results
USB.print(F("Temperature: "));
USB.print(temperature);
USB.print(F(" Celsius Degrees |"));
USB.print(F(" Humidity : "));
USB.print(humidity);
USB.print(F(" %RH"));
USB.print(F(" Pressure : "));
USB.print(pressure);
USB.print(F(" Pa"));
USB.println();
///////////////////////////////////////////
// 3. Create ASCII frame
///////////////////////////////////////////
// Create new frame (ASCII)
frame.createFrame(ASCII, node_ID);
// Add temperature
frame.addSensor(SENSOR_GASES_TC, temperature);
// Add humidity
frame.addSensor(SENSOR_GASES_HUM, humidity);
// Add pressure
frame.addSensor(SENSOR_GASES_PRES, pressure);
// Show the frame
frame.showFrame();
delay(3000);
}
Output
H#
Temperature, Humidity an Pressure example
Temperature: 25.27 Celsius Degrees | Humidity : 41.25 %RH Pressure : 99621.85 Pa
===============================
Current ASCII Frame:
Length: 78
Frame Type: 134
frame (HEX): 3C3D3E8603233431313837303633443933373432463423424D453238305F6578616D706C6523302354433A32352E32372348554D3A34312E323523505245533A39393632312E383523
frame (STR): <=>�#41187063D93742F4#BME280_example#0#TC:25.27#HUM:41.25#PRES:99621.85#
===============================
Temperature: 25.36 Celsius Degrees | Humidity : 43.64 %RH Pressure : 99621.14 Pa
===============================
Current ASCII Frame:
Length: 78
Frame Type: 134
frame (HEX): 3C3D3E8603233431313837303633443933373432463423424D453238305F6578616D706C6523302354433A32352E33362348554D3A34332E363423505245533A39393632312E313423
frame (STR): <=>�#41187063D93742F4#BME280_example#0#TC:25.36#HUM:43.64#PRES:99621.14#
===============================
Temperature: 25.59 Celsius Degrees | Humidity : 42.58 %RH Pressure : 99622.13 Pa
===============================
Current ASCII Frame:
Length: 78
Frame Type: 134
frame (HEX): 3C3D3E8603233431313837303633443933373432463423424D453238305F6578616D706C6523302354433A32352E35392348554D3A34322E353823505245533A39393632322E313323
frame (STR): <=>�#41187063D93742F4#BME280_example#0#TC:25.59#HUM:42.58#PRES:99622.13#
===============================
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