Air Quality Meters PMS7003. PM2.5 Sensor Module Built-in Fan. NodeMCU 200 light effects are available

200 light effects are available to meet the lighting requirements of a variety of scenes and provide different lighting effects for different scenes

11b/g/n) and Bluetooth (Classic and LE)

The sensor module accepts 2

This considerably increases the thermal conductivity of the motor

It is not allowed to work at full power for a long time

Air Quality Meters PMS7003. PM2.5 Sensor Module Built-in Fan. NodeMCU 200 light effects are availablePrinciple: this sensor uses the principle of La Ser scattering, i. e. the La Ser is irradiated to suspended particles in the air to create scattering, and at the same time the scattered light is collected at a certain angle to maintain the curve of the scattered light over time. The microprocessor uses an algorithm based on the MIE theories to obtain the equivalent particle size of the particles and the number of particles of different sizes per unit