Holyiot 21091 nRF52832 Motion Sensor Bluetooth Tracking Device - 9-Axis IMU, BLE 5.0, CR2032 Powered
The Holyiot 21091 is a compact, multi-sensor tracking module built around the Nordic Semiconductor nRF52832 SoC, integrating a 9-axis IMU (accelerometer, gyroscope, magnetometer) with environmental sensors for temperature, humidity, and barometric pressure. It transmits data via Bluetooth Low Energy (BLE 5.0) and is designed for easy integration with IoT platforms, wearables, and mobile applications.
Features
- High-precision 9-axis motion tracking with integrated accelerometer, gyroscope, and magnetometer.
- Nordic Semiconductor nRF52832 SoC with Bluetooth Low Energy 5.0 for robust wireless communication.
- Integrated environmental monitoring via temperature, humidity, and barometric pressure sensors.
- Ultra-low power operation powered by a single CR2032 coin cell battery.
- Compact, lightweight form factor (30x30mm, ~10g) suitable for wearable and embedded applications.
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The Holyiot 21091 is a sophisticated sensor fusion module designed for advanced motion tracking and environmental monitoring. At its core is the Nordic Semiconductor nRF52832 system-on-chip, which provides both the processing power and the Bluetooth Low Energy 5.0 radio for efficient data transmission. The integrated 9-axis inertial measurement unit (IMU) delivers precise orientation and movement data, while the auxiliary sensors provide contextual environmental readings.
Engineered for IoT and wearable applications, its low-power architecture ensures extended operational life from a standard CR2032 battery. The module’s compact PCB design facilitates integration into AR/VR headsets, asset trackers, smart home devices, and industrial monitoring systems, offering a complete sensor node solution in a single package.
Additional Information
| Weight | 0.01 kg |
|---|---|
| Dimensions | 3 × 3 cm |










