This is used as the controller platform of our hardware
Microcontroller - ATmega328
Clock Speed - 16MHz
Memory - 32KB Flash
Power - 5V

This is used to detect harmful sounds for human
8-hour full-shift 85dBA
Working voltage: DC 3.3-5V
Calibration not required

This is used to detect harmful gases for human
Can measure concentration from 200ppm to 10000ppm
Calibration is required

This is used measure environment temperature
Range -55C and +200C
Thermal comfort 13C to 30C
Calibration not required

This is used to detect harmful vibrations for human
Maximum allowed 5mm/s
Calibration not required
0.3mm/s can disturb the home owners

This is used as power source of our hardware