DAIMU 101 & 131: Ultra-Compact PCB-Embeddable MEMS IMU
Breakthrough industrial-grade IMU technology delivering unmatched precision in an impossibly small package
Product Overview
The DAIMU 101 and DAIMU 131 represent a breakthrough in PCB-Embeddable IMU technology, delivering industrial-grade performance in an impossibly small package. These MEMS IMU modules are recognized as the smallest in the industry, designed to seamlessly embed into PCBs for space-constrained applications.
The products undergo full temperature range compensation from -40°C to 85°C, independent turntable calibration, and rigorous environmental testing including 2000g shock resistance and 100% magnetic shielding. Built with stamp half-hole gold plating process, they easily integrate into PCBs for drones, robots, VR/AR systems, autonomous vehicles, and industrial attitude monitoring equipment.
✨ Key Features Highlights
- High-precision gyroscope + accelerometer integration
- SPI/IIC interfaces with complete algorithm source code
- Four production line stations ensuring superior quality
- Stable operation exceeding 1000 hours
Advanced Features & Performance
The DAIMU series excels with advanced fusion algorithms combining complementary filter and Kalman filter (EKF/UKF) technologies for three-axis attitude calculation.
🎯 Gyroscope Performance
DAIMU 101: Bias instability 4.5°/hr, Angular random walk 0.8°/√hr
DAIMU 131: Bias instability 4.0°/hr, Angular random walk 0.6°/√hr
📊 Accelerometer Performance
DAIMU 101: Bias instability ±20mg, Velocity random walk 0.12m/s/√hr
DAIMU 131: Bias instability ±10mg, Velocity random walk 0.09m/s/√hr
⚡ Power & Range
±2000°/s measurement range with only 10mW power consumption at 3.3V~8.0V input
🔧 Development Support
Program compatibility with STM32/GD32 and Standard C libraries. Open algorithm approach with source code available.
Technical Specifications
| Parameter | DAIMU 101 | DAIMU 131 |
|---|---|---|
| Gyro Bias Instability | 4.5°/hr | 4.0°/hr |
| Angular Random Walk | 0.8°/√hr | 0.6°/√hr |
| Accel Bias Instability | ±20mg | ±10mg |
| Velocity Random Walk | 0.12m/s/√hr | 0.09m/s/√hr |
| Weight | 0.8g | |
| Dimensions | 12×12×3.3mm | |
| Operating Temperature | -40°C to 85°C | |
| Shock Resistance | 2000g | |
Applications
These PCB-Embeddable IMU modules serve diverse high-tech applications across multiple industries:
🚁 Drone Flight Control
Precise attitude and position awareness for stable hovering and agile maneuvering
🤖 Robotics Navigation
Motion positioning, balance control, and trajectory tracking
🥽 VR/AR Systems
High-precision head and body motion capture
🚗 Autonomous Driving
Real-time attitude and heading for path planning
🏭 Industrial Automation
Robotic arms and precise motion regulation
🏗️ Structural Monitoring
Tilt and vibration monitoring for safety
With 10g vibration resistance (10-2kHz, 3-axis) and refined temperature calibration across the full operating range, these IMU modules deliver reliable performance in the harshest industrial environments while maintaining the ultra-lightweight profile essential for portable and embedded applications.
