Best in 7 days
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- CAN
Ships within 48 hours · Estimated delivery Jun 17 - Jun 22
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For Your Every Summer RSVP, with Code: SUMMER15
Description
Waveshare MQ-3 Gas SensorOverview 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
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.8 ★★★★★
Based on 790 reviews
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Product Reviews
★★★★★ 5
Better than expected!
Color: Black
This set has everything you need to put together some beautiful LEE crafted shelves! They are real wood and the kit makes it simple to put together a beautiful wall display.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 3, 2026
★★★★★ 4
Ease of setup
Color: Black
Nice and easy setup.
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Reviewed in the United States on January 23, 2026
★★★★★ 5
Does the job!
Color: Black
This added a beautiful space to my room! Very easy to install and includes everything you need to do so!
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Reviewed in the United States on January 28, 2026
★★★★★ 5
Quality
Color: Black
Beautiful….well made
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Reviewed in the United States on April 18, 2026
★★★★★ 5
Use all pieces included
Color: Black
Hold good weight
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 3, 2026
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