Waveshare MQ-3 Gas Sensor

Description

Overview
1. Sensitive for alcohol, ethanol
2. Output voltage boosts along with the concentration of the measured gases increases
3. Fast response and recovery
4. Adjustable sensitivity
5. Signal output indicator

Specifications
1. Power: 2.5V ~ 5.0V
2. Dimension: 40.0mm * 21.0mm
3. Mounting holes size: 2.0mm

Applications
1. Car alcohol alarm
2. Breathalyser

How to Use
In the case of working with a MCU:
1. VCC: 2.5V ~ 5.0V
2. GND: Power supply ground
3. AOUT: MCU.IO (analog output)
4. DOUT: MCU.IO (digital output)

Package Contents
1. MQ-3 Gas Sensor x1
2. 4-pin custom connector jumper wire x1

Waveshare MQ-3 Gas Sensor

Product form

SKU: ZY15927471

  • In stock (Processing Time 1 - 72 hours)

$11.88

    • Guaranteed secure & safe checkout.

    Icon for truckShipping Methods

    To find out all available shipping methods, and the exact delivery time add the product to the cart and verify it using our shipping calculator.

    Icon for 24_hour_clockOrder Processing Time

    All orders are shipped within a maximum of 72 hours from the order's arrival.

    Icon for coinMoney Back Guarantee

    Garmade Money Back Guarantee- Get the item you ordered or your money back, it's that simple.

    Icon for image_placeholderMismatched Product

    Product doesn't match the description? Contact us within 31 days after you receive it!

    Icon for mobile_paymentRefunds

    In case of cancellation, money will be refunded to your account within 14 days.

    Description

    Overview
    1. Sensitive for alcohol, ethanol
    2. Output voltage boosts along with the concentration of the measured gases increases
    3. Fast response and recovery
    4. Adjustable sensitivity
    5. Signal output indicator

    Specifications
    1. Power: 2.5V ~ 5.0V
    2. Dimension: 40.0mm * 21.0mm
    3. Mounting holes size: 2.0mm

    Applications
    1. Car alcohol alarm
    2. Breathalyser

    How to Use
    In the case of working with a MCU:
    1. VCC: 2.5V ~ 5.0V
    2. GND: Power supply ground
    3. AOUT: MCU.IO (analog output)
    4. DOUT: MCU.IO (digital output)

    Package Contents
    1. MQ-3 Gas Sensor x1
    2. 4-pin custom connector jumper wire x1

    Additional Information

    Icon for truckShipping Info

    IMPORTANT INFO - PLEASE CHECK BEFORE ORDERING.



      Estimated transit time and postage fee depends on the method you choose at checkout. Please add the desired product to the cart and there you will be able to see all this information.

      Complete and right address is the guarantee of fast and efficient delivery, so please kindly recheck it when you place an order.

      In order to ensure a fast and efficient delivery, we need to have the method of contact with you. Email and Phone Number is a very important detail and must be accurate. All orders with an incorrect email or phone number will be canceled immediately.

      We strive to dispatch all orders within 72 hours of placing your order. But sometimes if the order is big or the products are more sophisticated, it can take a little longer. As soon as we dispatched it, you will receive a confirmation email along with a tracking number.

      Please be aware that sometimes due to unclear address, hard to access, no answer at address, the package can be kept at your local post office for collection. In this case you will be informed by the delivery company and by us. Please also monitor the tracking number.

      For European Union Countries:
    - If your order is less than 150€ excluding shipping costs, then the Taxes are already included in the price. This means that there will be NO extra charge upon delivery.
    - If your order is more than 150€, you will NOT be charged Taxes at the checkout, and you will have to pay upon delivery based on your local VAT rate.

     

    Icon for reviewReviews

    Login

    Forgot your password?

    Don't have an account yet?
    Create account