Детектор газа Analog Alcohol Sensor[MQ3] DFROBOT

Analog Alcohol Sensor[MQ3] Introduction The analog gas sensor - MQ3 is suitable for detecting alcohol, this sensor can be used in a Breathalyser.It has a high sensitivity to alcohol and small sensitivity to Benzine. The sensitivity can be adjusted by the potentiometer. Notice:The new version of analog sensor port pin mapping has been changed as the following two features.Please check thetips for changing sensor cable pin mapping while using the I/O Expansion shield. We will continue to update. For the inconvenience caused, please understand. Improvement List Standard assembling structure (Times-of-5mm Center distance between four 3mm mounting holes) Easily recognitive interfaces of sensors ("A" for analog and "D" for digital) Icons to simplely illustrate sensor function High quality connector & potentiometer Immersion gold surface Specification Power supply: 5V Interface type: Analog High sensitivity to alcohol and small sensitivity to Benzine Fast response and High sensitivity Stable and long life Simple drive circuit Size: 36.4x26.6mm Shipping List Analog Gas sensor (MQ3) x1 Analog Cable x1 Acrylic Base(with nylon screws) x1