Research Article

Development of an IoT-Based Indoor Air Quality Monitoring Platform

Table 2

Specifications of the laser dust sensor.

SpecificationValue

Measurement particle size0.3 to 10 μm
Measurement range0 to 1000 μg/m3
Time to first reading≤8 s
Working temperature-10 to 50 Celsius
Working humidity0 to 95% RH (noncondensing)
Signal outputUART-TTL, PWM, IIC