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Q: What applications benefit from Qvar in drones?
A: Qvar enables three main drone capabilities: (1) touchless user interfaces — capacitive tap/swipe on the airframe for arm/disarm/configure without mechanical switches, (2) proximity awareness — short-range obstacle/object detection for slow indoor flight, and (3) environmental sensing &md
Q: How does Qvar proximity detection compare to ToF sensors?
A: Qvar detects objects at shorter range (5–30 cm vs 1–4 m for ToF) and with less precision, but offers advantages: zero additional power (integrated in the IMU ASIC), works in any lighting (not affected by bright sun or darkness), detects transparent objects (glass, water) that ToF may mis
The LSM6DSOQTR extends the LSM6DSO platform with an integrated Qvar electrostatic sensing channel , enabling proximity detection, touch sensing, and moisture detection alongside standard 6-axis IMU functionality. With the same 3.8 mdps/√Hz gyro noise, 80 µg/√Hz accel noise, and 9 KB FIFO as the LSM6DSOXTR, it adds Qvar-based sensing for drone applications including capacitive touch-to-arm interfaces, proximity-based obstacle awareness for slow indoor flight, and rain/moisture detection for autonomous weather-response. The Qvar channel operates simultaneously with IMU data at the full sensor ODR, providing a unique multi-modal sensing capability in a single LGA-14 package. The Qvar electrostatic sensor opens novel drone interaction paradigms: (1) touchless drone arming/dis
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Part Number | LSM6DSOQTR |
| Type | 6-Axis IMU: Accel + Gyro + Qvar |
| Accel Range | ±2/4/8/16 g |
| Gyro Range | ±125/250/500/1000/2000 dps |
| Gyro Noise | 3.8 mdps/√Hz |
| Accel Noise | 80 µg/√Hz |
| FIFO | 9 KB |
| Qvar | Integrated electrostatic sensor channel |
| Interface | I²C (1 MHz) / SPI (10 MHz) / MIPI I3C |
| Current | 0.55 mA (combo HP) |
| Package | VFLGA-14 (2.5×3×0.83 mm) |
| Temperature | −40°C to +85°C |
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