#include <Wire.h> #endif /* U8glib Example Overview: Frame Buffer Examples: clearBuffer/sendBuffer. Fast, but may not work with all Arduino boards because of RAM consumption Page Buffer Examples: firstPage/nextPage. Less RAM usage, should work with all Arduino boards. U8x8 Text Only Exampl...
u8g2.setFontDirection(0); u8g2.clearBuffer(); u8g2.setCursor(0, 15); u8g2.print("想输的字"); u8g2.sendBuffer(); delay(1000); } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. ...
7. 以下语句用于开始使用 MCP4725 进行传输 Wire.beginTransmission(MCP4725); 将控制字节发送到 I2C Wire.write(buffer[0]); 将MSB 发送到 I2C Wire.write(buffer[1]); 将LSB 发送到 I2C Wire.write(buffer[2]); 结束传输 Wire.endTransmission(); 现在最后使用 lcd.print() 在 LCD 16x2 显示器中显示这...
Wire.write(value/string/(date,length)) 主机从机间发送数据 Wire.available() 返回缓冲区的字节数 Wire.read() 从机或主机从缓冲区中读取数据 Wire.onReceive(myHandler1) 从机的函数,主机endTransmission后myHandler1被触发 Wire.onRequest(myHandler2) 从机的函数,主机requestFrom后myHandler2 被触发 其中:vo...
#include <Wire.h> #endif /* U8g2lib Example Overview: Frame Buffer Examples: clearBuffer/sendBuffer. Fast, but may not work with all Arduino boards because of RAM consumption Page Buffer Examples: firstPage/nextPage. Less RAM usage, should work with all Arduino boards. ...
lcd.clear(); 在loop() 内部,读取 10 个样本模拟值并将它们存储在一个数组中。这是平滑输出值所必需的。 for(int i=0;i<10;i++) { buffer_arr[i]=analogRead(A0); 延迟(30); } 然后,按升序对接收到的模拟值进行排序。这是必需的,因为我们需要在后期计算样本的运行平均值。
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET); #define NUMFLAKES 10 // Number of snowflakes in the animation example #define LOGO_HEIGHT 16 #define LOGO_WIDTH 16 static const unsigned char PROGMEM logo_bmp[] = ...
h> #endif #ifdef U8X8_HAVE_HW_I2C #include <Wire.h> #endif //设备定义 SR04 sen = SR04(12, 13); float distance; int led[5] = {2, 4, 6, 8, 9}; U8G2_SSD1306_128X64_NONAME_F_SW_I2C u8g2(U8G2_R0, /* clock=*/ 3, /* data=*/ 5, /* reset=*/ U8X8_PIN_NONE)...
Wire.begin(); Serial.begin(9600); Serial.println("\nI2C Scanner"); } void loop(){ byte error, address; int nDevices; Serial.println("Scanning..."); nDevices = 0; for (address = 1; address < 127; address++ ){ // The i2c_scanner uses the return value of // ...
#include<Wire.h> #include<LiquidCrystal.h> #define RS 12 #define RW 11 #define dpinmin 3 #define dpinmax 10 #define Enable 2 DS3231 Clock; bool Century, h12, PM = false; byte year , month, date, Dow, hour, minute, second; ...