lcd.clear(); //clear function clears the LCD screen } void loop() { timer = millis()/1000; //set timer variable to how long program has been running in seconds lcd.setCursor(0,0); //set LCD cursor to 0,0 lcd.pr
&validHeartRate); printToScreen(); } } void printToScreen() { oled.clear(); oled.setCursor(0,0); if(validSPO2 && validHeartRate) { oled.print(F("HR: ")); oled.println(heartRate, DEC); oled.print(F("SPO2: ")); oled.println(spo2, DEC); } else { oled.print(F("Not valid...
例如,在我们显示print(1234.56)的地方,你的实际代码会把对象名称放在这之前,例如,它可能会读做screen.print(1234.56)(如果你已经声明了显示对象的名称为:screen)。绘制像素(点) 首先是最基本的像素推送器。你可以调用它,并指定参数:X Y坐标和一种颜色,它会在屏幕上生成一个点:...
if(digitalRead(buttonPin) == HIGH) { display.fillScreen(BLACK); // erase the whole display display.setTextColor(WHITE); display.setTextSize(2); display.setCursor(0, 0); display.println(TrueRandom.random(1, 21)); // print random number display.display(); // write to display delay(100...
例如,在我们显示print(1234.56)的地方,你的实际代码会把对象名称放在这之前,例如,它可能会读做screen.print(1234.56)(如果你已经声明了显示对象的名称为:screen)。 绘制像素(点) 首先是最基本的像素推送器。你可以调用它,并指定参数:X Y坐标和一种颜色,它会在屏幕上生成一个点: void drawPixel(uint16_t x,...
Add some sizzle to your Arduino project with a beautiful large touchscreen display shield with built in microSD card connection and a capacitive touchscreen. This TFT display is big (2.8" diagonal) bright (4 white-LED backlight) and colorful (18-bit 262,000 different shades)! 240x320 pixel...
Serial.print(F("Hello! ST77xx TFT Test")); // Use this initializer if using a 1.8" TFT screen: tft.initR(INITR_BLACKTAB); // Init ST7735S chip, black tab // OR use this initializer if using a 1.8" TFT screen with offset such as WaveShare: ...
staticconstuint16_tscreenWidth=320;staticconstuint16_tscreenHeight=240; 在setup里初始化屏幕,官方代码如下: staticlv_disp_drv_t disp_drv;lv_disp_drv_init(&disp_drv);/*Change the following line to your display resolution*/disp_drv.hor_res=screenWidth;disp_drv.ver_res=screenHeight;disp_drv....
#define SCREEN_HEIGHT 64 // OLED display height, in pixels // Declaration for an SSD1306 display connected to I2C (SDA, SCL pins) #define OLED_RESET -1 // Reset pin # (or -1 if sharing Arduino reset pin) Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET); #...
else if ( (mcu_y + win_h) >= tft.height()) JpegDec.abort(); // Image has run off bottom of screen so abort decoding } // calculate how long it took to draw the image drawTime = millis() - drawTime; // print the results to the serial port ...