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Pololu 1639 - Sparkfun MQ Gas Sensor Carrier
ID: 196144
Sparkfun MQ Gas Sensor Carrier
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Sparkfun MQ Gas Sensor Carrier
This carrier board is designed to work with any of the MQ-series gas sensors, simplifying the interface from 6 to 4 pins that are broken out with a 0.1" spacing, making the board compatible with 0.1" headers and standard breadboards and perfboards. The board has the same diameter (16.8 mm) as the smaller of the gas-sensor packages, allowing for a low-profile connection.
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Overview
This breakout board is designed to work with any of the MQ-series gas sensor, simplifying the interface from 6 to 4 pins that are broken out with a 0.1" spacing, making the board compatible with 0.1" headers and standard breadboards and perfboards. The board has a diameter of 16.8 mm, which matches the diameter of the small (plastic) gas sensor packages, providing a more convenient, compact connection within the bounds of the sensor itself.
The two rows of 1 x 2 pins are spaced 0.5" apart allowing the break out board to work with standard breadboards.
Note that we also offer an alternate gas sensor breakout board that has mounting holes, pads designated for the required sensitivity resistor RL, and a convenient three-pin interface.
Connections
Connect H1 and A1 to 5 V, GND to ground, and B1 to an ADC input of your microcontroller. A required (but not included) sensitivity-setting resistor, RL, should be connected between B1 and GND. The resistance of RL should be calculated using the datasheet for your particular gas sensor.
The MQ gas sensors have light to no polarity, so the gas sensor will work with the board any way it fits into the 6 pins.
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Note: This product consists of the PCB by itself; it does not include a gas sensor, sensitivity resistor, header pins, or any additional hardware.
People often buy this product together with:
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Alcohol Gas Sensor MQ-3 |
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Pololu MQ Gas Sensor Carrier |
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Carbon Monoxide Gas Sensor MQ-7 |
196144
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Sparkfun MQ Gas Sensor Carrier