MQ3 Gas Sensor Kit with Temperature and Humidity

  • $19.95


This sensor kit contains the printed circuit board, MQ3 Gas Sensor, Honeywell HIH5030 Humidity Sensor, 10K Thermistor and all the necessary components to make a " Sensor Stack ". The outputs are all analog and compatible with Arduino and Raspberry Pi projects, or other embedded processor projects.

Specifications:

  • MQ3 Sensor: Alcohol, Benzine Gas Sensor
  • 5 VDC Power Supply, 160 mA
  • Output:10K Load Resistor
  • HIH5050 Sensor: 0 to 100% RH
  • Power: 2.7 to 5.5 VDC, typically 200 uA
  • Output: Vout =  (Vsupply)(0.00630(RH) + 0.1515) @ 25 C
    • Temperature Sensor: 10K Thermistor +/- 2%
    • Beta(B25/50): 3380 +/- 1%
    • Typical Range: -40 to 150 C

    PCB Schematic