MQ-2 Gas Sensor (Arduino & Raspberry Pi Compatible)
$7.90
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Use this Gas Sensor to detect Methane, Butane, LPG, smoke and flammable & combustible gases. Digital & Analog output pins. Arduino & Raspberry Pi Compatible.
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This Gas Sensor detects Methane, Butane, Propane, alcohol, hydrogen, LPG & smoke. Flammable & combustible gases are detected by the onboard heater which sends an analog signal that increases as the concentration of flammable gases increases. This module also includes a digital output pin with TTL output. The Potentiometer on board is used to set the Digital Output Setpoint.
Specifications:
- Wide detecting scope
- High sensitivity & stability
- Simple drive circuit
- Type: MQ-2
- Detection Zone: 300 - 10000ppmm
- Characteristic Gas:1000ppmmIso-Butane
- Sensitivity:R in air/Rin typical gas≥5
- Sensitive Resistance:1KΩ to 20KΩ in 50ppm Toluene
- Response Time:≤10s
- Recovery Time:≤30s
- Heating Resistance:31Ω±3Ω
- Heating Current:≤180mA
- Heating Voltage:5.0V±0.2V
- Heating Power: ≤900mW
- Measuring Voltage:≤24V
- Operating Conditions:
- Ambient Temperature:-20℃～+55℃
- Humidity:≤95%RH
- Oxygen Content:21%
- Operating Voltage: 5V
- Compatible with Arduino & Raspberry Pi (for use with Raspberry Pi B or B+ you will need an Analog to Digital Converter Chip)
- Pinout:
- VCC: 5V
- AOUT: Analog Output
- DOUT: Digital Output
- GND: 0V
Click here to download the datasheet.
Reference: Arduino Library
TS-556
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Use this Gas Sensor to detect Methane, Butane, LPG, smoke and flammable & combustible gases. Digital & Analog output pins. Arduino & Raspberry Pi Compatible.