Waveshare MQ-3 Gas Sensor
$20.31
999999 in stock
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
| Package Weight |
|
| Weight | 0.060 kg |
|---|---|
| Dimensions | 5 × 4 × 1 cm |
Only logged in customers who have purchased this product may leave a review.
Shipping Information
We offer reliable shipping across the United States to ensure your order arrives promptly and in perfect condition. Orders are typically processed within 1-2 business days. Standard shipping usually takes between 3-5 business days, while expedited options are available for faster delivery. You’ll receive a tracking number as soon as your order ships, so you can monitor its progress every step of the way. For shipping inquiries or special requests, please feel free to contact our customer service team.
Delivery Policy
We strive to deliver your products as quickly and efficiently as possible. All deliveries are made Monday through Friday, excluding holidays. Please ensure that the shipping address provided is accurate and complete to avoid delays. If you encounter any issues with your delivery, such as a missing or damaged package, contact us within 7 days of receipt so we can resolve the issue swiftly. For more detailed information on shipping costs or delivery times, refer to our Shipping FAQ or reach out to our support team.
Reviews
There are no reviews yet.