Description
Sensor of dust allows monitoring the air quality, measures the ratio of PM1.0, PM2,5, PM10. Equipped with a sensor that could detect particles with diameter more than 0.3 micrometers, such as cigarette smoke. The system is supplied with the voltage from 4.5 V to 5.5 V, interface UART.
Connection
The sensor has eight outputs, their description is in a table.
| Pin | Description |
|---|---|
| Pin 1 | VCC - power supply 5 V. |
| Pin 2 | The weight of the device. |
| Pin 3 | Pin SET |
| Pin 4 | RXD / I2C_SCL - receiver, UART / clock line of the I2C bus. Works with a voltage of 3.3 V. |
| Pin 5 | TXD / I2C_SDL - transmitter UART / clock line of the I2C bus. Works with a voltage of 3.3 V. |
| Pin 6 | Reset. Works with a voltage of 3.3 V. |
| Pin 7 |
Pin PWM. |
| 8 Pin |
Selection between UART and I2C. Low state is the choice of UART, high state - I2C. By default, in the low state. |
This model does not support I2C bus.
Specification
- Supply voltage: 4.5 V to 5.5 V
- Consumption current: under 100 mA
- Measuring range:
- from 0.3 µm to 1.0 µm
- from 1.0 µm to 2.5 µm
- from 2.5 µm to 10 µm
- Sensitivity:
- 50% for 0.3 µm
- 98% for 0.5 µm and larger
- Response time: less than 10 seconds.
- Operating temperature: -20°C to 50°C
- Tile sizes: 50 x 38 x 21 mm
Useful links |
