The Keyes KY-143 3-Axis Accelerometer Module (MMA8452Q, 5V compatible) is a versatile motion-sensing solution designed for robotics, IoT, and embedded applications. Featuring the advanced MMA8452Q chipset, this module provides precise acceleration measurements across three axes with selectable ranges of ±2g, ±4g, and ±8g. Its onboard dropout regulator ensures compatibility with both 3.3V and 5V systems, making it suitable for a wide range of microcontrollers including Arduino and Raspberry Pi. With I²C communication and dedicated interrupt pins, it minimizes processor load while offering reliable, real-time data. Whether you’re building gesture recognition systems, monitoring vibrations, or implementing tilt detection in robotics, this module delivers accuracy and efficiency in a compact form factor. Featured By RoboticsBD.
Product Images are shown for illustrative purposes only and may differ from the actual product.
RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD
Features:
High-precision MMA8452Q chipset – provides accurate 3-axis acceleration measurements.
Selectable sensitivity – supports ±2g, ±4g, and ±8g ranges for different applications.
5V/3.3V compatible – onboard regulator allows flexible integration with various microcontrollers.
I²C communication – simple 2-wire interface with default address 0x1D for easy setup.
Interrupt-driven data output – reduces constant polling, saving processing power.
Compact and lightweight design – perfect for space-constrained embedded systems.
RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD
Applications:
Robotics – motion and tilt detection for balance and navigation.
Wearable devices – step counting, gesture recognition, and fitness tracking.
Gaming controllers – real-time movement sensing for interactive control.
Vehicle systems – crash detection, vibration monitoring, and navigation assistance.
IoT and embedded projects – tilt sensing, vibration detection, and smart devices.
RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD
| Module Type | Keyes KY-143 MMA8452Q 3-Axis Accelerometer |
| Chipset | MMA8452Q |
| Measurement Range | ±2g, ±4g, ±8g |
| Power Supply | 3.3V – 5V (with onboard regulator) |
| Communication Protocol | I²C (2-wire) |
| Default I²C Address | 0x1D |
| Interrupt Pins | 2 (INT1, INT2) |
| Output Data Rate | Selectable via registers |
| Dimensions (Approx.) | 3 × 3 cm |
| Weight (Approx.) | 3.4 g |
| Shipment Weight | 0.0034 kg |
| Shipment Dimensions | 3 × 3 × 3 cm |
Please allow 5% measuring deviation due to manual measurement.
RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD
Documentation:
RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD
| Pin | Description |
| INT1 | Interrupt 1 |
| INT2 | Interrupt 2 |
| - | 0V |
| =+ | 3.3 - 5V |
| SDA | I2C Data |
| SCL | I2C Clock |
RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD
Package Includes:
1 x Keyes 3 Axis Accelerometer Module KY-143 MMA8452Q 5V
RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD
RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD
