Table 3.
Sensor Type | Image | Range | Working Voltage (V) |
Accuracy | Producer |
---|---|---|---|---|---|
GPS | ≥−161 dBm | 3.3~5.0 | Position: 2.5 m Velocity: 0.1 m/s Heading: 0.5° |
U-BLOX 1 | |
Ultrasonic | 2~400 cm | 3.3~5.0 | 0.3 cm | ELECFREAKS 2 | |
pH | 0~14 | 5.0 | ±0.1 pH | DFROBOT 3 | |
Vision | Lens field of view: ±37.5° horizontal ±23.5° vertical |
6.0~10.0 | Resolution: 1280 × 800 dpi |
PIXYCAM 4 |
Note: 1 Thalwil, Switzerland; 2 Shenzhen, China; 3 Shanghai, China; 4 Texas, USA.