Reference

Communication Protocol Description

• The SCI DAQ module uses I2C communication. Supported I2C addresses: 0x21, 0x22, 0x23 (configurable via "Set Board ID" in settings).

Other Supplementary Information

Use SCI Module Independently

• I2C Sensor Use: Connect sensor to left 4pin port (2/3); module auto-detects and displays data.
• Digital/Analog Sensor Use: Connect to Port 1, press "S" to enter settings, select "Select SKU" to choose sensor.
• Data Logging: Press "R" to start/pause logging. New CSV file created on first start (named by system time). Long-press "R" for 3s to create a new file without restarting.
• Data Export: Pause logging, connect to PC via Type-C, copy CSV files from U-disk.

SCI DAQ Interaction

• Sensor Calibration: Press "S" → "Calibration" → select "Low Point"/"High Point", press "OK" in calibration environment.
• Data Refresh Rate: Press "S" → "Set Refresh Rate" → select from ms, 1S, 3S, 5S, 10S, 30S, 1min, 5min, 10min.
• REC Content Setting: Press "S" → "Set REC Content" → enable/disable port data storage.
• System Time Setting: Press "S" → "Set System Time" → set month, day, hour, minute, second.
• Board ID Setting: Press "S" → "Set Board ID" → choose 0x21/0x22/0x23 (restart to apply).
• Version Check: Press "S" → "Version" → view current software version.

More Tutorials

1. Build a Conductivity Tester
2. Plant Monitoring System
3. Discover Color, Light and Heat
4. Indoor Air Quality Monitor
5. Air Quality Tracking and Analysis

Compatibility

Firmware Release Notes

• V1.0.1: Updated sensor support types.
• V1.0.2: Updated sensor support types.
• V1.0.3: Updated sensor support types.
• V1.0.4: Fixed SEN0193 measurement value reversal issue.
• V1.0.5: Fixed SEN0206 temperature data error; updated sensor support types.