{"product_id":"waveshare-mq-3-gas-sensor","title":"Waveshare MQ-3 Gas Sensor","description":"Overview\u003cbr\u003e1. Sensitive for alcohol, ethanol\u003cbr\u003e2. Output voltage boosts along with the concentration of the measured gases increases\u003cbr\u003e3. Fast response and recovery\u003cbr\u003e4. Adjustable sensitivity\u003cbr\u003e5. Signal output indicator\u003cbr\u003e\u003cbr\u003eSpecifications\u003cbr\u003e1. Power: 2.5V ~ 5.0V\u003cbr\u003e2. Dimension: 40.0mm * 21.0mm\u003cbr\u003e3. Mounting holes size: 2.0mm\u003cbr\u003e\u003cbr\u003eApplications\u003cbr\u003e1. Car alcohol alarm\u003cbr\u003e2. Breathalyser\u003cbr\u003e\u003cbr\u003eHow to Use\u003cbr\u003eIn the case of working with a MCU:\u003cbr\u003e1. VCC: 2.5V ~ 5.0V\u003cbr\u003e2. GND: Power supply ground\u003cbr\u003e3. AOUT: MCU.IO (analog output)\u003cbr\u003e4. DOUT: MCU.IO (digital output)\u003cbr\u003e\u003cbr\u003ePackage Contents\u003cbr\u003e1. MQ-3 Gas Sensor x1\u003cbr\u003e2. 4-pin custom connector jumper wire x1\u003cbr\u003e\u003cbr\u003e","brand":"Waveshare","offers":[{"title":"Default Title","offer_id":43061171028215,"sku":"ZY15927471","price":28.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/6734\/0535\/products\/ZY15927471.jpg?v=1658930872","url":"https:\/\/buy2fix.co.uk\/en-au\/products\/waveshare-mq-3-gas-sensor","provider":"Buy2fix","version":"1.0","type":"link"}