{"title":"Alcohol Gas Sensor MQ-3","handle":"alcohol-gas-sensor-mq-3-7c7059f6-ed44-47c9-9328-c19179d6bbd6","url":"/products/alcohol-gas-sensor-mq-3-7c7059f6-ed44-47c9-9328-c19179d6bbd6","description":"The MQ-3 is a semiconductor gas sensor that detects alcohol vapour at concentrations from 0.04 mg/L to 4 mg/L — a range suitable for building a breathalyser. It provides a simple analog voltage output that requires only one analog input pin from your microcontroller.\n\nKey Features\n\n\nAlcohol Detection Range – 0.04 to 4 mg/L\n\nAnalog Output – Simple voltage interface, one ADC pin required\n\nHigh Sensitivity – Suitable for breathalyser applications\n\n\nIdeal For\n\nBreathalyser projects\nAir quality and gas detection\nArduino and microcontroller sensor projects\n\n\nPackage Contents\n\n1× MQ-3 alcohol gas sensor\n","vendor":"Pololu","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":9412,"title":"Default Title","sku":"PL-1634","price":7.84,"on_sale":false,"in_stock":true,"available_quantity":5,"option1":"Default Title"}]}