LIS3DSH accelerometer sensor and Arduino example

In this example we connect a LIS3DSH sensor to an Arduino. Lets look at the sensor

The LIS3DSH is an ultra-low-power high-performance three-axis linear accelerometer belonging to the “nano” family with an embedded state machine that can be programmed to implement autonomous applications.

The LIS3DSH has dynamically selectable full scales of ±2g/±4g/±6g/±8g/±16g and is capable of measuring accelerations with output data rates from 3.125 Hz to 1.6 kHz. The self-test capability allows the user to check the functioning of the sensor in the final application. The device can be configured to generate interrupt signals activated by user-defined motion patterns.

The LIS3DSH has an integrated first-in, first-out (FIFO) buffer allowing the user to store data in order to limit intervention by the host processor. The LIS3DSH is available in a small thin plastic land grid array package (LGA) and is guaranteed to operate over an extended temperature range from -40 °C to +85 °C.

Key Features

• Wide supply voltage, 1.71 V to 3.6 V
• Independent IOs supply (1.8 V) and supply voltage compatible
• Ultra-low power consumption
• ±2g/±4g/±6g/±8g/±16g dynamically selectable full scale
• I²C/SPI digital output interface
• 16-bit data output
• Programmable embedded state machines
• Embedded temperature sensor
• Embedded self-test
• Embedded FIFO
• 10000 g high shock survivability

Parts List

Connection

An easy device to connect – remember its 3.3v

Arduino and LIS3DSH

Code

You need to download and install the https://github.com/yazug/LIS3DSH library

[codesyntax lang=”cpp”]

#include <Wire.h>
#include <LIS3DSH.h>

LIS3DSH accel;

void setup() 
{
  Serial.begin(9600);
  Wire.begin();
  accel.enableDefault();
}

void loop() 
{
  int16_t x, y, z;
  int8_t temperature;

  accel.readAccel(&x, &y, &z);
  accel.readTemperature(&temperature);

  Serial.print("Accel ");
  Serial.print("X: ");
  Serial.print(x);
  Serial.print(" Y: ");
  Serial.print(y);
  Serial.print(" Z: ");
  Serial.print(z);
  Serial.print(" T: ");
  Serial.println(temperature);

  delay(100);
}

[/codesyntax]

Output

Open the serial monitor and you should see something like this – move the module around

Accel X: -16041 Y: 25096 Z: 30902 T: -5
Accel X: -4264 Y: -3219 Z: -4920 T: -5
Accel X: -3665 Y: -24195 Z: -6582 T: -5
Accel X: -2387 Y: 29273 Z: 25093 T: -5
Accel X: -10046 Y: 18720 Z: 15595 T: -5
Accel X: -19708 Y: -2226 Z: 5157 T: -6
Accel X: -13490 Y: -2875 Z: -2190 T: -6
Accel X: -10057 Y: 11695 Z: 22556 T: -6
Accel X: 1924 Y: 27351 Z: 16082 T: -5
Accel X: -4231 Y: 18639 Z: 14947 T: -5
Accel X: -17774 Y: -2564 Z: 6430 T: -5
Accel X: -13527 Y: -7457 Z: 5894 T: -5
Accel X: -20130 Y: -15443 Z: 10049 T: -5
Accel X: 3386 Y: -1488 Z: 17183 T: -5
Accel X: -2989 Y: 15951 Z: 9403 T: -6
Accel X: -15118 Y: 9226 Z: 6249 T: -6

Link