Technical Specifications
Features
- Measurement Range: ±1500 Pa (±2 in. H₂O)
- Accuracy & Repeatability: Excellent, even below 1 Pa
- Maximum Airspeed: 50 m/s
- Zero Offset & Drift: None
- Calibration: Calibrated and temperature-compensated
- Sampling Rate: 2 kHz at 16-bit resolution
- Digital Interfaces: I2C and DroneCAN
- Advanced Features: Smart averaging algorithm and other digital features
- Mounting: M3 mounting holes
CAN Version Features
- CAN Passthrough Plug
- EchoUS CAN stamp
- No I2C address selection needed
The red dot on the plug side denotes Pin 1.
I2C Connector Pinout (4-Pin) and I2C Addresses
| Pin | Name | Function | Notes |
|---|---|---|---|
| 1 | VCC | Power supply | 3.3V or 5V |
| 2 | SCL | I2C Clock line | - |
| 3 | SDA | I2C Data line | - |
| 4 | GND | Ground | - |
Use of Addresses
By default the EchoUS I2C devices are normally assigned the address of 0x21. If airspeed is not working, first check if there is a clash in I2C addresses, then confirm on the actual board itself.
Dimensions
