Motion and Position Sensing

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Accelerometers

Accelerometers measure acceleration forces and can detect motion, vibration, and orientation. They are fundamental to many modern devices and applications.

Working Principles

MEMS technology
Capacitive sensing
Piezoelectric effect
3-axis measurement
G-force detection

Implementation (MPU6050)

#include <Wire.h>
#include <MPU6050.h>

MPU6050 mpu;

void setup() {
  Wire.begin();
  mpu.initialize();
}

void getAcceleration() {
  int16_t ax, ay, az;
  mpu.getAcceleration(&ax, &ay, &az);
  
  // Convert to g force
  float gx = ax / 16384.0;
  float gy = ay / 16384.0;
  float gz = az / 16384.0;
}

Motion