Adafruit ADXL343 Triple-Axis Accelerometer ±16g I2C/SPI STEMMA QT

Name: Adafruit ADXL343 Triple-Axis Accelerometer ±16g I2C/SPI STEMMA QT
SKU: TH2017
Price: 589.0 INR
Availability: InStock

SKU: TH2017

₹695.02₹903.53SAVE 23%

₹589.00 (Ex. of GST)

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Compact 3-axis ADXL343 accelerometer breakout with selectable ±2g/4g/8g/16g ranges, I2C or SPI interface, STEMMA QT/Qwiic connectors, interrupts, and FIFO for motion sensing projects.

₹695.02

₹589.00 (Ex. of GST)

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Overview

Adafruit ADXL343 Triple-Axis Accelerometer is a compact digital MEMS accelerometer breakout for motion, tilt, vibration, tap, and free-fall sensing. It measures acceleration on the X, Y, and Z axes with selectable ranges of ±2g, ±4g, ±8g, or ±16g, making it suitable for everything from low-speed motion tracking to higher-g movement detection.

The board supports both I2C and SPI communication, with onboard STEMMA QT / Qwiic-compatible connectors for quick plug-and-play I2C wiring, plus 0.1 inch breakout pins for breadboard use. It includes an onboard 3.3V regulator and level shifting on the I2C lines, so it can be used with both 3.3V and 5V systems such as Arduino, ESP8266, and Raspberry Pi. Code written for the ADXL345 will often work with this near drop-in replacement.

Built-in motion features such as tap, double-tap, activity, inactivity, and free-fall detection, along with two configurable interrupt outputs and a 32-level FIFO, help reduce host processing while enabling responsive motion-aware designs. Important: only the SDA and SCL lines are 5V safe on this breakout; other pins such as the interrupt pins must be level-shifted manually when needed. QT cable is not included.

Specification

Technical details for Adafruit ADXL343 Triple-Axis Accelerometer ±16g I2C/SPI - STEMMA QT/Qwiic.

Specification	Details
Sensor Type	3-axis digital MEMS accelerometer
Measurement Range	User selectable: ±2g, ±4g, ±8g, ±16g
Resolution	10-bit to 13-bit depending on range/mode
Scale Factor	3.9 mg/LSB in full-resolution mode
Interfaces	I2C and SPI (3-wire / 4-wire)
Output Data Rate	0.1 Hz to 3200 Hz selectable
Supply Voltage	ADXL343 IC: 2.0V to 3.6V; breakout supports 3.3V and 5V input via VIN regulator
Current Consumption	Typical 140 µA at ODR ≥ 100 Hz; 30 µA at ODR < 10 Hz
Operating Temperature	-40°C to +85°C
Board Features	STEMMA QT / Qwiic connectors, two interrupt pins, 32-level FIFO, 0.1 inch header included, two 2.5 mm mounting holes

Pinout

Pin	Type	Description
VIN	Power Input	Input to the onboard 3.3V regulator. Connect to 3.3V or 5V depending on your host system.
3V3	Power Output	Regulated 3.3V output from the onboard regulator; can supply other low-current 3.3V circuitry up to 100 mA.
GND	Power	Ground reference connection shared with the host controller.
SCL	Input / Clock	I2C clock pin. Also used as SPI clock. This line is level shifted on the breakout for 3.3V/5V system use.
SDA	Bidirectional Data	I2C data pin. Also used as SPI data I/O depending on mode. This line is level shifted on the breakout for 3.3V/5V system use.
CS	Input	SPI chip select pin. Use to enable SPI mode on the sensor interface.
SDO/ALT ADDRESS	Output / Address Select	SPI serial data out in 4-wire SPI mode, or alternate I2C address select pin in I2C mode.
INT1	Output	Interrupt output 1. Motion-related interrupts can be mapped to this pin.
INT2	Output	Interrupt output 2. Motion-related interrupts can be mapped to this pin.
STEMMA QT	I2C Connector	Qwiic-compatible JST-SH connector carrying power and I2C for fast solderless hookup. QT cable not included.