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64 lines
1.1 KiB
C++
64 lines
1.1 KiB
C++
//
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// FILE: MTP40C_getCO2.ino
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// AUTHOR: Rob Tillaart
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// PURPOSE: demo of MTP40C library
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// DATE: 2021-08-21
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// URL: https://github.com/RobTillaart/MTP40C
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//
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// any board that support two or more hardware serial ports
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// Serial and Serial1, e.g. for MEGA, LEONARDO, MICRO, ESP32,ESP8266
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// Uno, Nano or Mini will fail to compile.
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#include "MTP40C.h"
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#include "SoftwareSerial.h"
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SoftwareSerial sws(6, 7);
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MTP40C mtp(&sws);
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// MTP40C mtp(&Serial1);
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int lines = 10;
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void setup()
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{
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Serial.begin(115200);
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// Serial.println(__FILE__);
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// Serial.print("MTP40_LIB_VERSION:\t");
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// Serial.println(MTP40_LIB_VERSION);
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sws.begin(19200);
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mtp.begin(); // default 0x64
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// if (mtp.begin() == false)
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// {
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// Serial.println("could not connect!");
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// while(1);
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// }
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}
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void loop()
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{
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if (lines == 10)
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{
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lines = 0;
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Serial.println("\nTIME\tCO2 LEVEL");
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}
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if (millis() - mtp.lastRead() >= 5000)
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{
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Serial.print(millis());
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Serial.print("\t");
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Serial.print(mtp.getGasConcentration());
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Serial.println();
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lines++;
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}
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}
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// -- END OF FILE --
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