MQ-5 (Gas Sensor module LPG, Natural Gas, Coal Gas)

DHT11 Temperature and Humidity Sensor Module with LED Power Supply Indicators

Features:

• Can detect surrounding environment of the humidity and temperature
• DHT11 sensor adopts
• Humidity measurement range: 20%-95%, humidity measurement error: +-5%
• Temperature measurement range: 0 -50 ;measurement error: +-2 degrees
• Working voltage 3.3 V-5 V
• Output form: digital output
• Has fixed bolt hole and easy installation
• PCB size: 3.1cm x 1.4cm

Product Features:

1. Using the NTC thermistor sensor , good sensitivity.
2. The comparator output signal is clean, good waveform , driving ability , more than 15mA.
3. Adjust the temperature distribution position detection threshold.
4. The working voltage: DC 3.3V-5V.
5. The output format : digital switching outputs ( 0 and 1 )
6. A fixed bolt holes for easy installation.
7. Using a wide voltage LM393 comparator.