3 axis MEMS Accelerometer EVAL BOARD - LIS3LV02DL
LIS3LV02DL MEMS 3-axis ±2g/±6g digital output low voltage linear accelerometer Breakout board
Description
This is a LIS3LV02DL evaluation board. LIS3LV02DL is a digital output 3 axis accelerometer produced by ST Microelectronics. It is a low-cost and high-performance sensor produced in the MEMS (Micro-Electro-Mechanical System) technology.
The measurement of the acceleration is made using the indirect method. The force causing acceleration in an inertial frame is acting upon the proof mass hanging on the springs. As in result, the proof mass is displaced from the point of balance. Displacement is measured as a variation of capacitance between the proof mass and the frame of the sensor. This displacement is proportional to the applied force to the sensor. The technology of capacitance sensing allows for manufacturing reliable, low noise and good performance MEMS accelerometers.
LIS3LV02DL are popular among laptop producers, as a part sensing free fall for magnetic hard-drives security. Drivers for Linux and android can be downloaded from ST website.
The LIS3LV02DL sensor has proven reliability and it is in production for over 10 years.
LIS3LV02DL Evaluation Module Features
- User selectable +/-2,+/-6 g measurement range
- Up to 1mg resolution
- 12bit ADC built-in
- Built-in digital High-Pass filter
- Output data rate up to 2560 Hz
- Operating voltage 2.16-3.6V
- Supply current less than 0.8mA
- Operating temperature range -40 – 80 degC
- Interfaces: SPI (=<8MHz), I2C(=<400kHz)
- Maximum non-destructive acceleration 3000g for 0.5 ms, 10000g for 0.1ms
Sensor is suitable for
- Motion and free-fall detection
- Inclinometer applications
- Digital level
- Vibration measurement
- Platform stabilization
- Speed measurement
Sample Code
Kerry Wong has shared the code for the ARDUINO. Check this Arduino forum topic: forum.arduino.cc
More on interfacing the sensor with uC on the Near Future Laboratory Blog: blog.nearfuturelaboratory.com
Product Decription
- Single layer PCB breakout board for LGA-16 (4x7x1mm)
- SMD Molex socket type: 53261-08
- PCB dimensions: 22x26x1mm
Features
- Small dimensions
- Single layer PCB
- PCB can be screwed or glued to the object surface
- Additional transistor and LED connected to the interrupt pin
- Sensor footprint designed for soldering with the iron
- Gerber file for the SMT stencil available for download
Module Pinout
- SDO – Slave Data Output
- SDI – Slave Data Input
- SCL – Slave Clock Input
- CS – Chip Select
- CK – Optional internal circuit clock
- RDY_INT – Programmable Ready/Interrupt pin
- GND - Ground
- 3.3V – Supply Voltage
Circuit Diagram
Mechanical Drawing
Assembly Drawing
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Keywords
ACCELEROMETER,
HP, LOW PASS FILTER,
ORIENTATION DETECTION,
INTERRUPT,
SIGNALING DIODE,
SPEED MEASUREMENT,
THREE AXIS,
SENSITIVITY,
DRIVER, ARDUINO,
SOFTWARE,