AccelerometerTap.ino

/* 
Arduino LSM6DS3 - Accelerometer Tap

this is a code to detect tap 
via the help of acceleration Available
and the direction it is in and print it on
the serial monitor.

Made by 
tanmay khabia

*/

#include <Arduino_LSM6DS3.h>

void setup() {
  Serial.begin(9600);
  while (!Serial);

  while (!IMU.begin()) {
    Serial.println("Failed to initialize IMU!");

    delay (3000); // wait for 3 sec and check if it can be initialize again
  }
}
float tapThreshold  = 0.05 ; //0.49 m/sec^2 acceleration in some direction is considered as tap. it can be change for the required sensitivity.
void loop() {
  float x, y, z;
  if (IMU.accelerationAvailable()) {
    IMU.readAcceleration(x, y, z);
    if(x > tapThreshold | x < -tapThreshold)
        Serial.println("Tap detected across X-axis");
    if(y > tapThreshold | y < -tapThreshold)
        Serial.println("Tap detected across Y-axis");
    if(z > tapThreshold | z < -tapThreshold)
        Serial.println("Tap detected across Z-axis");
  }
}