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CCS811_test.ino
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CCS811_test.ino
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/***************************************************************************
This is a library for the CCS811 air
This sketch reads the sensor
Designed specifically to work with the Adafruit CCS811 breakout
----> http://www.adafruit.com/products/3566
These sensors use I2C to communicate. The device's I2C address is 0x5A
Adafruit invests time and resources providing this open source code,
please support Adafruit andopen-source hardware by purchasing products
from Adafruit!
Written by Dean Miller for Adafruit Industries.
BSD license, all text above must be included in any redistribution
***************************************************************************/
#include <CCS811.h>
CCS811 ccs;
void setup() {
pinMode(Vext,OUTPUT);
digitalWrite(Vext,LOW);
pinMode(GPIO0,OUTPUT);
digitalWrite(GPIO0,LOW);
Serial.begin(115200);
Serial.println("CCS811 test");
if(!ccs.begin()){
Serial.println("Failed to start sensor! Please check your wiring.");
while(1);
}
// Wait for the sensor to be ready
while(!ccs.available());
}
void loop() {
digitalWrite(GPIO0,LOW);
if(ccs.available()){
if(!ccs.readData()){
Serial.print("CO2: ");
Serial.print(ccs.geteCO2());
Serial.println(" ppm");
Serial.print("TVOC:");
Serial.print(ccs.getTVOC());
Serial.println(" ppb");
Serial.print("millis:");
Serial.println(millis());
}
else{
Serial.println("ERROR!");
while(1);
}
}
digitalWrite(GPIO0,HIGH);
delay(5000);
}