Research Article
A Wireless Multisensor Node for Long-Term Environmental Parameters Monitoring
Table 1
Detail parameters of each sensor.
| | Sensor | Parameter | Voltage (V) | Range | Precision | Transmission |
| | GY-302 | Light intensity | 3.3-5 | 0∼65535lx | 1lx | I2C | | UV | UV intensity | 3.3-5 | 0–12UV | ±1 UV | ADC1 | | RAIN | Rain or not | 3.3-5 | Rain/no rain | | USB | | VOICE | Noise intensity | 3.3-5 | 20∼150 dB | ±1 dB | ADC1 | | SM300D2 | eCO2 | 5 | 400 ppm∼5000 ppm | ±100 ppm | USART3 | | eCH2O | 5 | 1 μg∼1000 μg | | | TVOC | 5 | 0 μg∼2000 μg | | | PM2.5 | 5 | 5 μg∼1000 μg | ±10% | | PM10 | 5 | 5 μg∼1000 μg | ±10% | | Temperature | 5 | −40°C∼125°C | ±0.5°C | | Humidity | 5 | 0∼100% | ±3% RH |
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