BMI270 - AUX Extension: Feet
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Product detailed description
➕ Cave Slimes BMI – AUX Extension: Feet
Want to add foot tracking at the lowest possible cost? This AUX extension set includes two lightweight sensor modules powered by energy-efficient Bosch BMI270 chips that easily connect via cables to your main thigh units. You get authentic tracking of steps, toe rotation, and a stable avatar posture that won't slide across the virtual floor, all for a fraction of the cost of standalone wireless trackers.
- ✅ Maximum Cost-Effectiveness: The AUX modules leverage the power and Wi-Fi chip of your existing thigh trackers, significantly cutting costs.
- ✅ Foot Straps: Secure and comfortable elastic straps designed to mount on the instep or shoes.
- ✅ Precise Foot Tracking: Eliminates unnatural foot sliding and enables accurate step and jump detection.
📦 Package Contents
The package contains everything required to wire both feet to your thigh units:
- ✅ Included: 2× wired AUX module featuring a Bosch BMI270 sensor.
- ✅ Included: 2× flexible connecting cable for attachment to the main units.
- ✅ Included: 2× comfortable elastic foot strap.
- ✅ Included: 2× plastic tracker holder.
- 🏷️ Integrated Labeling: Left and right foot placements are 3D printed directly on the lids for quick identification.
🎯 Bosch BMI270 Sensor: What to Expect?
Both AUX modules house 6-axis IMU Bosch Sensortec BMI270 sensors, offering reliable stability for casual use. As an entry-level budget sensor, expect a recalibration (reset) interval of approximately every 15 to 20 minutes.
- ⚡ One-Second Reset: Recalibrate instantly in-game via Tap to Reset or by binding a controller button.
- 🛠️ Easy Calibration: Calibrating the AUX modules takes just moments in the SlimeVR Server application.
- 🔌 Ultra-Lightweight: Without batteries and Wi-Fi chips weighing them down, the modules are virtually unnoticeable on your feet.
🎮 Compatibility & Use Cases
The AUX feet extension plugs into the available ports on your compatible Cave Slimes main units across all VR applications:
- 🌐 Apps & Games: VRChat, Resonite, ChilloutVR, Dance Dash, NeosVR, Virtual Motion Capture (VMC), and VTubing software.
- 🥽 Supported Headsets: Meta Quest 2 / 3 / Pro, Pico 4, Valve Index, HTC Vive, and other VR headsets (via SteamVR, Virtual Desktop, or Link).
- 💃 Why Choose AUX Feet: The most comfortable and economical way to precisely detect steps, enable dancing, and achieve deep VR immersion.
⚙️ Setup, Comfort & Maker Support
I make sure that connecting and wearing the modules is completely hassle-free:
- 🖥️ SlimeVR Server: In the application, you simply assign the connected AUX sensors to your thigh unit configuration.
- 🧵 Ergonomics & Cables: Flexible drop cables from the thigh do not restrict knee bending, while the straps firmly secure the modules to your instep or shoe.
- 🛠️ Maker Support: I print and assemble everything in-house. I offer direct technical support, repairs, and replacement cables.
❓ Frequently Asked Questions (FAQ)
The AUX modules on the feet cannot work standalone—they have no batteries or Wi-Fi chips. They are wired to the main units (typically those on your thighs), which provide power and stream data for both sensors back to your PC simultaneously.
With the BMI270 sensor, the typical interval for a quick reset is approximately every 15–20 minutes. Resetting takes only a second—stand straight and double-tap your chest tracker (Tap to Reset feature), or bind the reset action to a VR controller button.
No. They draw power entirely from the attached main thigh unit. You will only ever need to charge the main units.
The connecting cables are sized and flexible enough to allow for full squats and unhindered knee bending without tugging or limiting your range of motion.
📊 Technical Specifications
Compact secondary modules produced via precision 3D printing to expand your existing FBT setup.
| Module Type | 2× Wired secondary AUX module (requires connection to a main unit). |
| Motion Sensor | Energy-efficient 6-axis IMU Bosch Sensortec BMI270 sensor (2 units included). |
| Typical Reset Interval | Approx. 15–20 minutes (quick 1-second recalibration via Tap to Reset). |
| Connection & Power | Connecting cable to AUX port of main unit (no internal batteries). |
| Supported Software | SlimeVR Server, SteamVR, VRChat, Resonite, ChilloutVR, VMC. |
| Manufacturing | Custom 3D printing (color customization available on request). |
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