1. Introduction
The Keyes 2021 new DIY electronic building block ADXL345 accelerometer module is a high-precision triaxial accelerometer suitable for applications such as motion monitoring, motion recognition, and tilt measurement.
2. Features
-
Environmentally friendly materials : Made of black environmentally friendly materials that meet modern safety standards.
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Triaxial detection : It can simultaneously detect the acceleration of the X, Y and Z axes.
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I2C interface : Communicates with the host controller via the I2C interface, simplifying connection and configuration.
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Wide compatibility : Compatible with controllers such as Arduino and Raspberry Pi, facilitating project integration.
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Easy to use : The design is intuitive and suitable for beginners and developers.
3. Specifications
|
parameter |
describe |
|---|---|
|
model |
KE4073 |
|
Sensor type |
ADXL345 Accelerometer Sensor |
|
Wire length |
200mm |
|
Operating voltage |
DC 3.3V to 5V |
|
Interface type |
I2C |
|
Acceleration range |
±2g, ±4g, ±8g, ±16g |
|
Power consumption |
Approximately 40µA (when operating at 3.3V) |
4. Working Principle
The ADXL345 module outputs digital signals by measuring the magnitude and direction of acceleration. Its working principle is as follows:
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Power connection : The module is connected to the power supply via VCC and GND, supporting DC 3.3V to 5V.
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Signal output : Acceleration data is output using the I2C protocol for easy reading by the main controller.
5. Foot position description
|
Pin Name |
describe |
|---|---|
|
VCC |
Connect to the positive power supply; supports DC 3.3V to 5V. |
|
GND |
negative power connection |
|
SDA |
Data cable, used for I2C communication |
|
SCL |
Clock line, used for I2C communication |