Grove - Multichannel Gas Sensor (CO, NO2, VOC, C2H5CH) ของแท้จาก SeeedStudio

#include
#include
#include
GAS_GMXXX<TwoWire> gas;

TFT_eSPI tft;
// Stock font and GFXFF reference handle
TFT_eSprite spr = TFT_eSprite(&tft); // Sprite 

void setup() {
// put your setup code here, to run once:
tft.begin();
tft.setRotation(3);
spr.createSprite(tft.width(),tft.height());
gas.begin(Wire, 0x08); // use the hardware I2C
}

void loop() {
// put your main code here, to run repeatedly:
int val;
spr.fillSprite(TFT_BLACK);
spr.setFreeFont(&FreeSansBoldOblique18pt7b);
spr.setTextColor(TFT_BLUE);
spr.drawString("Gas Terminal", 60 - 15, 10 , 1);// Print the test text in the custom font
for(int8_t line_index = 0;line_index < 5 ; line_index++)
{
spr.drawLine(0, 50 + line_index, tft.width(), 50 + line_index, TFT_GREEN);
}

spr.setFreeFont(&FreeSansBoldOblique9pt7b); // Select the font
// GM102B NO2 sensor
val = gas.getGM102B();
if (val > 999) val = 999;
spr.setTextColor(TFT_WHITE);
spr.drawString("NO2:", 60 - 24, 100 -24 , 1);// Print the test text in the custom font
spr.drawRoundRect(60 - 24,100,80,40,5,TFT_WHITE);
spr.setTextColor(TFT_WHITE);
spr.drawNumber(val,60 - 20,100+10,1);
spr.setTextColor(TFT_GREEN);
spr.drawString("ppm", 60 + 12, 100+8, 1);
// GM302B C2H5CH sensor
val = gas.getGM302B();
if (val > 999) val = 999;
spr.setTextColor(TFT_WHITE);
spr.drawString("C2H5CH:", 230 -24 , 100 - 24 , 1);// Print the test text in the custom font
spr.drawRoundRect(230 - 24,100,80,40,5,TFT_WHITE);
spr.setTextColor(TFT_WHITE);
spr.drawNumber(val,230 - 20,100+10,1);
spr.setTextColor(TFT_GREEN);
spr.drawString("ppm", 230 + 12, 100+8, 1);
// GM502B VOC sensor
val = gas.getGM502B();
if (val > 999) val = 999;
spr.setTextColor(TFT_WHITE);
spr.drawString("VOC:", 60 - 24, 180 -24 , 1);// Print the test text in the custom font
spr.drawRoundRect(60 - 24,180,80,40,5,TFT_WHITE);
spr.setTextColor(TFT_WHITE);
spr.drawNumber(val,60 - 20,180+10,1);
spr.setTextColor(TFT_GREEN);
spr.drawString("ppm", 60 + 12, 180+8, 1);
// GM702B CO sensor
val = gas.getGM702B();
if (val > 999) val = 999;
spr.setTextColor(TFT_WHITE);
spr.drawString("CO:", 230 -24 , 180 - 24, 1);// Print the test text in the custom font
spr.drawRoundRect(230 - 24 ,180,80,40,5,TFT_WHITE);
spr.setTextColor(TFT_WHITE);
spr.drawNumber(val ,230 - 20 ,180+10,1);
spr.setTextColor(TFT_GREEN);
spr.drawString("ppm", 230 + 12, 180+8, 1);

spr.pushSprite(0, 0);
delay(100);

}