Reference: RBD-1757
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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.
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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.
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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.
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| 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.
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| Pin | Description |
| INT1 | Interrupt 1 |
| INT2 | Interrupt 2 |
| - | 0V |
| =+ | 3.3 - 5V |
| SDA | I2C Data |
| SCL | I2C Clock |
1 x Keyes 3 Axis Accelerometer Module KY-143 MMA8452Q 5V
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