Interface MQ series Gas Sensors using Arduino | Simulation | MQ2,MQ3,MQ4,MQ5,MQ6,MQ7,MQ8

Опубликовано: 09 Октябрь 2024
на канале: Electronics Developer

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Interface MQ series Gas Sensors using Arduino | Simulation | MQ2,MQ3,MQ4,MQ5,MQ6,MQ7,MQ8 Sensors
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📌 Tags
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#mqsensor #arduino #diy

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MQ2 Gas Sensor Features
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1] Operating Voltage is +5V
2] Can be used to Measure or detect LPG, Alcohol, Propane, Hydrogen, CO and even methane
3] Analog output voltage: 0V to 5V
4] Digital Output Voltage: 0V or 5V (TTL Logic)
5] Preheat duration 20 seconds
6] Can be used as a Digital or analog sensor
7] The Sensitivity of Digital pin can be varied using the potentiometer

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MQ-3 Gas Sensor Features
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1] Sensor Type - Semiconductor
2] Easy SIP header interface
3] Compatible with most of the microcontrollers
4] Low-power standby mode
5] Requires heater voltage
6] Good sensitivity to alcohol gas
7] Fast response and High sensitivity
8] Long life and low cost
9] Requires simple Drive circuit

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MQ-4 Gas Sensor Features
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1] Good sensitivity to Combustible gas in wide range
2] High sensitivity to CH4, Natural gas.
3] Small sensitivity to alcohol, smoke.
4] Fast response Stable and long life
5] Simple drive circuit

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MQ-5 Gas Sensor Features
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1] Sensitive for LPG, natural gas, coal gas
2] Output voltage boosts along with the concentration of the measured gases increases
3] Fast response and recovery
4] Adjustable sensitivity
5] Signal output indicator

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Features of MQ6 Gas sensor
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1] Operating Voltage is +5V
2] Can be used to detect LPG or Butane gas
3] Analog output voltage: 0V to 5V
4] Digital Output Voltage: 0V or 5V (TTL Logic)
5] Preheat duration 20 seconds
6] Can be used as a Digital or analog sensor
7] The Sensitivity of Digital pin can be varied using the potentiometer

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Features of MQ7 Gas Sensor
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1] High sensitivity to carbon monoxide
2] Stable, long life and low cost
3] Good sensitivity to Combustible gas in wide range
4] High sensitivity to Natural gas
5] Simple drive circuit

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Features of MQ8 H2 Gas Sensor
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1] Using high-quality dual-panel design, with power indicator and TTL signal output instructions.
2] The switching signal having a DO (TTL) output and analog output AO.
3] TTL output valid signal is low. ( Low-level signal when the output light can directly connect to the 4] microcontroller or relay module)
5] Analog 0 ~ 5 v voltage, the higher the voltage, the concentration of the analog output voltage is higher.
6] Continuous analog output.
7] A hydrogen gas detection with good sensitivity.
8] There are four screw holes for easy positioning.
9] Has a long life and reliable stability
10] Rapid response and recovery characteristics

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Features of MQ9 Sensor
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1] Suitable for home or factory gas leakage monitoring devices.
2] Have better sensitivity to Carbon Monoxide, Methane and LPG Gas.
3] High quality dual-panel design, with power indicator and TTL signal output instructions.
4] DO switching signal (TTL) output and AO analog signal output.
5] TTL output valid signal is low. (When the output low signal is on, it can be directly connected micro-controller or relay module.)
6] Analog output voltage: the higher concentration, the higher voltage.
7] Four screw holes, easy positioning.
8] Long life and stability, quick response and resume

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Copyright Disclaimer under Section 107 of the copyright act 1976
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Copyright Disclaimer under Section 107 of the copyright act 1976, allowance is made for fair use for purposes such as criticism, comment, news reporting, scholarship, and research. Fair use is a use permitted by copyright statute that might otherwise be infringing. Non-profit, educational or personal use tips the balance in favour of fair use.