Best in 7 days
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Ships within 48 hours · Estimated delivery Jun 18 - Jun 23
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Description
Alcohol Breath Analyzer Using IoTAlcohol Breath Analyzer Using IoT The Alcohol Breath Analyzer Using IoT is an intelligent safety and monitoring system developed to detect and analyze alcohol levels in a persons breath using a gas sensor (commonly from the MQ series). The sensed data is processed by a microcontroller such as Arduino, ESP8266, or ESP32, and then transmitted over the internet through an IoT module. This allows the alcohol concentration data to be viewed in real time on
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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- 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.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.2 ★★★★★
Based on 2055 reviews
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Product Reviews
★★★★★ 5
My daughters favorite shoe!
Size: 10 Little Kid, Color: Gold W/Strap
My daughter wears these every single year- we always get the gold and clear glitter. They go with everything and so comfortable to her. Once it gets warm outside this is her go to shoe everyday!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 21, 2024
★★★★★ 5
My fav
Size: 10 Little Kid, Color: Rose Glitter W/Strap
My daughters have had have these campana shoes in every size and every color, i love them and they do too, they are light, comfy and cute
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 1, 2024
★★★★★ 1
Arrived used for the second time.
Size: 10 Little Kid, Color: Rose Glitter W/Strap
I love Melissa sandals. The product is good, but it arrived used for the second time. It is poor store management.
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Reviewed in the United States on May 21, 2026
★★★★★ 5
Super cute
Size: 7 Toddler, Color: Glitter Clear/Pink
Looks cute and smells good.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 4, 2026
★★★★★ 5
Love these shoes!
Size: 9 Little Kid, Color: Rose Glitter W/Strap
My daughter loves these shoes! So comfy & easy to put on! They are even cuter in person!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 25, 2025
