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https://github.com/RobTillaart/Arduino.git
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81 lines
1.9 KiB
C++
81 lines
1.9 KiB
C++
//
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// FILE: MTP40F_getCO2.ino
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// AUTHOR: Rob Tillaart
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// PURPOSE: demo of MTP40C library
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// URL: https://github.com/RobTillaart/MTP40F
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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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// SCHEMA example SoftwareSerial sws(7, 6);
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// UNO MTP40F
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// +---------------+ +---------------+
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// | | | |
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// | +5V |--------| 1 VIN |
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// | GND |--------| 2 GND |
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// | | | 3 |
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// | | | 4 |
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// | | | |
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// | | | 5 |
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// | RX 6 |--------| 6 TX |
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// | TX 7 |--------| 7 RX |
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// | | | 8 |
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// | | | 9 |
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// | | | |
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// +---------------+ +---------------+
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//
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#include "MTP40F.h"
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#include "SoftwareSerial.h"
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// SoftwareSerial sws(7, 6);
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// MTP40F mtp(&sws);
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MTP40F mtp(&Serial1); // MEGA, ESP32
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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(9600);
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Serial1.begin(9600);
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mtp.begin();
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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() >= 2500)
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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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