Angle range of Gy-25 sensor

Other Hardware Sensors
1

I am measuring the angle of a link with the Gy-25 sensor using Arduino mega2560 with the UART protocol. I need to have the pitch angle, and according to its datasheet, the angle range is approximately from -20 to 85 and then starts to decrease again. Is there any way to have this angle in 360? I don't know if it's possible to convert this Euler angle to a quaternion? And how? The sensor and its datasheet attached bellow.
https://bsfrance.fr/modules-rc-drones/606-GY25-capteur-de-position-angulaire-MPU6050-MCU-tilt-angle-module-UART-GY-25.html

float Roll,Pitch,Yaw;
unsigned char Re_buf[8],counter=0;
void setup()
{
Serial.begin(115200);
Serial3.begin(115200);// SoftwareSerial can only support 9600 baud rate for GY 25 but Serial3 can support 115200 and 9600 both
delay(4000);     
Serial3.write(0XA5);
Serial3.write(0X54);//correction mode
delay(4000);
Serial3.write(0XA5);
Serial3.write(0X51);//0X51:query mode, return directly to the angle value, to be sent each read, 0X52:Automatic mode,send a direct return angle, only initialization

}

void loop() {
serialEvent();
Serial.print("roll= ");
Serial.print(Roll);
Serial.print(" pitch= ");                 
Serial.print(Pitch);
Serial.print(" yaw= ");                 
Serial.print(Yaw);
}

void serialEvent() {
Serial3.write(0XA5);
Serial3.write(0X51);//send it for each read
while (Serial3.available()) {   
Re_buf[counter]=(unsigned char)Serial3.read();
if(counter==0&&Re_buf[0]!=0xAA) return;       
counter++;       
if(counter==8)               
{   
  counter=0;                 
  if(Re_buf[0]==0xAA && Re_buf[7]==0x55)  // data package is correct     
    {         
     Yaw=(int16_t)(Re_buf[1]<<8|Re_buf[2])/100.00;   
     Pitch=(int16_t)(Re_buf[3]<<8|Re_buf[4])/100.00;
     Roll=(int16_t)(Re_buf[5]<<8|Re_buf[6])/100.00;
    }     
} 
}
}
2

The second link doesn't show a datasheet if I click on it.

Although in theory all these angles can be -180° to 180°, any one position is not unambiguously into just one set of angles. For example a roll 0°, pitch 180°, yaw 0° can also be seen as roll 180°, pitch 0°, yaw 0°.

3

pylon:
The second link doesn't show a datasheet if I click on it.

Although in theory all these angles can be -180° to 180°, any one position is not unambiguously into just one set of angles. For example a roll 0°, pitch 180°, yaw 0° can also be seen as roll 180°, pitch 0°, yaw 0°.

In the web site that I attached before was mentioned that the range for pitch is from -180 to 180 but the value that I got for pitch angle was from -90 to 90, although sometimes it was different and less than before. is there any way that I convert this angular range into 0 to 360 because, as I said, It goes up and then starts to decrease. I don't if It's possible and could be useful to use quaternion angles and how to implement that?

GY-25 tilt angle sensor module.pdf (481 KB)

GY25_MANUAL_EN.pdf (126 KB)

4

I don't if It's possible and could be useful to use quaternion angles

No, not possible, and a quaternion won't help.

-90 to 90 degrees is the full range of the pitch angle, when defined as the tilt from horizontal. With the MPU-6050 there is no yaw reference , so that is the best you can do.