• ★ Sensor Logger
• ★ 2025-05-23
• ★ Questions & Answers

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About Sensor Logger

Sensor Logger collects, records and displays data from a wide range of sensors on your phone & Wear OS watches — including accelerometer, gyroscope, GPS, audio, camera and bluetooth devices. You can also log device properties such as screen brightness, battery level and network state. An intuitive interface allows you to select your desired sensors and preview them live. A tap of a button initiates the recording function, which works even when the application is in the background. You can view and manage recordings within the application via interactive plots. The export functionality conveniently outputs your recordings in a dozens of formats, including Zipped CSV, JSON, Excel, KML and SQLite. For advanced use cases, you may also stream data via HTTP or MQTT during a recording session, resample and aggregate measurements from multiple sensors, and make Studies to collect recordings from other Sensor Logger users with ease. Sensor Logger is specifically designed for researchers, educators, and anyone with an interest in collecting or monitoring sensor data on their smartphone. It serves as a toolbox for exploring different fields, including physics, science, technology, engineering, and mathematics (STEM).

Main Features:
- Comprehensive Sensor Support
- One-Tap Logging
- Background Recording
- View Recordings on Interactive Plots
- Stream Data Real-time via HTTP / MQTT
- Zipped CSV, JSON, Excel, KML and SQLite exports
- Resample and Aggregate Measurements
- Enable & Disable Specific Sensors
- Supports Logging Nearby Bluetooth Devices
- Add Timestamp Synchronised Annotations During Recording
- Adjust Sampling Frequency for Sensor Groups
- Raw and Calibrated Measurements Available
- Live Plots and Readings for Sensors
- Organise, Sort and Filter Recordings
- Bulk Export & Delete Recordings
- Free Resources to Support You Analyse Your Data
- Ad-Free
- Data Stays On-Device and 100% Private

Supported Measurements (if available):
- Device Acceleration (Accelerometer; Raw & Calibrated), G-Force
- Gravity Vector (Accelerometer)
- Device Rotation Rate (Gyroscope)
- Device Orientation (Gyroscope; Raw & Calibrated)
- Magnetic Field (Magnetometer; Raw & Calibrated)
- Compass
- Barometric Altitude (Barometer) / Atmospheric Pressure
- GPS: Altitude, Speed, Heading, Latitude, Longitude
- Audio (Microphone)
- Loudness (Microphone) / Sound Meter
- Camera Pictures (Front & Back, Foreground)
- Camera Video (Front & Back, Foreground)
- Pedometer
- Light Sensor
- Annotations (Timestamp and optional accompanying text comment)
- Device battery level and state
- Device screen brightness level
- Nearby Bluetooth devices (All advertised data)
- Network
- Heart Rate (Wear OS Watches)
- Wrist Motion (Wear OS Watches)
- Watch Space (Wear OS Watches)
- Watch Barometer (Wear OS Watches)

Optional Paid Features (Plus & Pro):
- No limitations on the number of stored recordings
- Extra export formats — Excel, KML and SQLite
- Extra timestamp formats
- Checkpoint for long recordings
- Combined CSV export — combine, resample and aggregate measurements from multiple sensors
- Customise recording workflow
- Advanced sensor configurations
- Custom naming templates
- Theme and icon customisations
- Unlimited number of rules
- Unlimited number of annotation presets
- Unlimited Bluetooth beacons and no limit on the minimum RSSI
- Make larger Studies with more participants
- More allocated storage for Studies using Sensor Logger Cloud
- Unlimited number of simultaneously toggled Bluetooth sensors and no limit on the minimum signal strength
- Email help (Pro & Ultimate only)
- Advanced Study customisation, including creating custom accompanying questionnaires and custom Study ID (Ultimate only)

New Features: - Fixes a critical issue where the Rule Engine is not evaluating with the correct sensor values.

Sensor Logger Cheats, Hints, Way to Modify, How to Use & How to Win.