MQ-3 Alcohol Ethanol Detection Sensor Module
Company Profile
| Location: | shenzhen, guangdong, China (Mainland) |
|---|---|
| Business Type: | Manufacturer |
| Main Products: | Arduino, 3d Printer, Raspberry Pi, UNO R3, Mega 2560 |
Product Description
Product DescriptionOverview· Sensitive for alcohol, ethanol· Output voltage boosts along with the concentration of the measured gases increases· Fast response and recovery· Adjustable sensitivity· Signal output indicatorSpecifications· Power: 2.5V ~ 5.0V· Dimension: 40.0mm * 21.0mm· Mounting holes size: 2.0mmApplications· Car alcohol alarm· BreathalyserHow to UseIn the case of working with a MCU:· VCC ? 2.5V ~ 5.0V· GND ? power supply ground· AOUT ? MCU.IO (analog output)· DOUT ? MCU.IO (digital output)