52 lines
2.0 KiB
C++
52 lines
2.0 KiB
C++
// I2C device class (I2Cdev) demonstration Arduino sketch for HTU21D class
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// Example of reading temperature and humidity from the HTU21D sensor
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// 2016-03-24 by Eadf (https://github.com/eadf)
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// Updates should (hopefully) always be available at https://github.com/jrowberg/i2cdevlib
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//
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// Changelog:
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// 2016-03-24 - initial release
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/* ============================================
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I2Cdev device library code is placed under the MIT license
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Copyright (c) 2016 Eadf, Jeff Rowberg
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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===============================================
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*/
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#include "HTU21D.h"
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HTU21D htu21d;
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void setup() {
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//I2Cdev::begin(); // join I2C bus
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Wire.begin();
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Serial.begin(38400);
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htu21d.initialize();
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Serial.println("Testing device connections...");
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Serial.println(htu21d.testConnection() ? "HTU21D connection successful" : "HTU21D connection failed");
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}
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void loop() {
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Serial.print("Temperature: "); Serial.print(htu21d.getTemperature());
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Serial.print("\t\tHumidity: "); Serial.println(htu21d.getHumidity());
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delay(400);
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}
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