{"title":"Carbon Monoxide Sensor (MQ7)","handle":"carbon-monoxide-sensor-mq7","url":"/products/carbon-monoxide-sensor-mq7","description":"The MQ7 is a simple-to-use Carbon Monoxide (CO) sensor suitable for detecting CO concentrations in the air. It offers a wide detection range from 20 to 2000 ppm, making it ideal for safety monitoring and air quality projects.\n\nThe sensor outputs an analog resistance that varies with CO concentration. The drive circuit is straightforward — power the heater coil with 5V, add a load resistance, and connect the output to an ADC for reading.\n\nKey Features\n\n\nWide Detection Range – 20 to 2000 ppm carbon monoxide\n\nAnalog Output – Simple resistive output for easy integration with microcontrollers\n\n5V Operation – Compatible with Arduino, Raspberry Pi, and other common platforms\n\nSimple Interface – Requires only a load resistor and ADC connection\n\n\nSpecifications\n\n\nSupply Voltage – 5V\n\nDetection Gas – Carbon Monoxide (CO)\n\nDetection Range – 20–2000 ppm\n\nOutput – Analog resistance\n\n\nIdeal For\n\nAir quality monitoring systems\nCO safety alarms and detectors\nEnvironmental sensing projects\nArduino and microcontroller-based gas detection\n\n\nPackage Contents\n\n1× Carbon Monoxide Sensor (MQ7)\n\n\nResources\n\nMQ7 Datasheet (PDF)\n","vendor":"DFRobot","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":10173,"title":"Default Title","sku":"DF-FIT0227","price":11.09,"on_sale":false,"in_stock":true,"available_quantity":215,"option1":"Default Title"}]}