Gas Sensor Breakout This is a simple breakout board for the MQ - 3, MQ - 4, MQ - 6, MQ - 7, and MQ - 8 gas sensors. With the Gas Sensor Breakout you will be able to utilize each oversized, oddly spaced pins featured on every MQ gas sensor product.
Waveshare Sensors Pack Tens of Different Sensors in One Pack.
MQ9 Gas Sensor Module
SainSmart MQ131 Gas Sensor Ozone Module Sensitive material of MQ131 gas sensor is O3 SnO2, which with lower conductivity in clean air. When Ozone gas exists.
MQ-135 Gas SensorNS-MQ135 is sensitive air quality sensor that detects NH3, NOx, alcohol, benzene, smoke, CO2, etc.
SparkFun Sensor Kit Do you have a good understanding of various sensors or need a variety of them for a project?
Freescale MPX4250AP Pressure Sensor The MPX4250A series piezoresistive transducer is a state-of-the-art monolithic silicon pressure sensor designed for a wide range of applications, particularly those employing a microcontroller or microprocessor with A/D inputs.
Electronic Brick - MQ-2 Gas Sensor Brick The electronic brick of gas sensor can be used in fire protection systems to detect hydrogen, isobutane, liquefied petroleum gas, methane, carbon monoxide, alcohol, smoke, propane and other harmful gases.
Grove - Alcohol Sensor Alcohol sensor is semiconductor sensor for alcohol detection. It has good sensitivity and fast response to alcohol, suitable for portable alcohol detector.
Alcohol Gas Sensor MQ-3 This alcohol sensor is suitable for detecting alcohol concentration on your breath, just like your common breathalyzer.
Methane CNG Gas Sensor - MQ-4 This is a simple-to-use compressed natural gas (CNG) sensor, suitable for sensing natural gas (composed of mostly Methane [CH4]) concentrations in the air. The MQ-4 can detect natural gas concentrations anywhere from 200 to 10000ppm.