TESTPAGE

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```
/*
```

  8-segment display driver of YFRobot 4-bit digital tube module based on TM1650 chip

  Created by yfrobot,Released into the public domain.

```
*/
```
```
 
```
```
#include <YFTM1650.h>
```
```
 
```
```
YFTM1650 YF_4BitDis(10, 11);
```
```
 
```
```
void setup()
```
```
{
```

  Serial.begin(38400); //Start serial communication at 9600 for debug statements

  Serial.println("YFRobot TM1650 Example Code");

```
  YF_4BitDis.init();
```
```
}
```
```
 
```
```
void loop()
```
```
{
```
```
  YF_4BitDis.setBrightness(1);
```

  YF_4BitDis.displayString(String("____"));

```
  delay(1000);
```
```
  char line[] = "1234";
```
```
 
```
```
  YF_4BitDis.displayString(line);
```
```
  YF_4BitDis.setBrightness(7);
```
```
 
```
```
  for (int i = 1; i <= 8; i++) {
```
```
    YF_4BitDis.setBrightness(i);
```
```
    delay(200);
```
```
  }
```
```
  for (int i = 1; i <= 8; i++) {
```
```
    YF_4BitDis.setBrightness(8 - i);
```
```
    delay(200);
```
```
  }
```
```
 
```
```
  YF_4BitDis.displayString(-1.235);
```
```
  delay(1000);
```
```
 
```
```
  YF_4BitDis.displayString(12.10);
```
```
  delay(1000);
```
```
 
```

  YF_4BitDis.displayString(String("abcd"));

```
  delay(2000);
```
```
 
```
```
  YF_4BitDis.displayString(2020);
```
```
  delay(2000);
```
```
 
```

  if (YF_4BitDis.displayRunning(String("1234567890abcdefghijklmnop"))) {

```
    delay(500);
```

    while (YF_4BitDis.displayRunningShift()) {

```
      delay(500);
```
```
    }
```
```
  }
```
```
  delay(2000);
```
```
 
```
```
  for (int i = 0; i < 20; i++) {
```
```
    YF_4BitDis.displayOff();
```
```
    delay(200);
```
```
    YF_4BitDis.displayOn();
```
```
    delay(200);
```
```
  }
```
```
 
```
```
  for (int i = 0; i < 20; i++) {
```
```
    YF_4BitDis.setBrightness(1);
```
```
    delay(200);
```
```
    YF_4BitDis.setBrightness(8);
```
```
    delay(200);
```
```
  }
```
```
 
```
```
  for (int i = 0; i < 20; i++) {
```
```
    for (int j = 0; j < 4; j++) {
```
```
      YF_4BitDis.setDot(j, true);
```
```
      delay(200);
```
```
    }
```
```
    for (int j = 0; j < 4; j++) {
```
```
      YF_4BitDis.setDot(j, false);
```
```
      delay(200);
```
```
    }
```
```
  }
```
```
}
```

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