ြ႔GY-61

gistfile1.txt

/*
ADXL335
note:vcc-->5v ,but ADXL335 Vs is 3.3V
The circuit:
      5V: VCC
analog 1: x-axis
analog 2: y-axis
analog 3: z-axis
*/
const int xpin = 1;                  // x-axis of the accelerometer
const int ypin = 2;                  // y-axis
const int zpin = 3;                  // z-axis (only on 3-axis models)
void setup()
{
 // initialize the serial communications:
 Serial.begin(9600);
 Serial.println("GreenHackers!");
}
void loop()
{
 int x = analogRead(xpin);  //read from xpin
 
 int y = analogRead(ypin);  //read from ypin
 
 int z = analogRead(zpin);  //read from zpin
 
float zero_G = 512.0; //ADC is 0~1023  the zero g output equal to Vs/2
                      //ADXL335 power supply by Vs 3.3V
float scale = 102.3;  //ADXL335330 Sensitivity is 330mv/g
                       //330 * 1024/3.3/1000  

/*Serial.print(x); 
Serial.print("\t");
Serial.print(y);
Serial.print("\t");
Serial.print(z);  
Serial.print("\n");*/
Serial.print(((float)x - 331.5)/65*9.8);  //print x value on serial monitor
Serial.print("\t");
Serial.print(((float)y - 329.5)/68.5*9.8);  //print y value on serial monitor
Serial.print("\t");
Serial.print(((float)z - 340)/68*9.8);  //print z value on serial monitor
Serial.print("\n");
delay(500);
}