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Ships within 48 hours · Estimated delivery Jun 22 - Jun 27
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Description
MQ-4 Methane Natural Gas Sensor ADC121C 12-Bit ADC I2C Module - (AD80401)Descripcin: El sensor de gas MQ 4 facilita el monitoreo de los niveles de concentracin de metano y gas natural utilizando nuestro factor de forma de mini mdulo I2C. El MQ4 est conectado a un convertidor analgico a digital de 12 bits ADC121C, que es capaz de expandirse a 9 sensores de gas por puerto I2C usando solo dos puentes de direccin (haciendo uso completo del sistema de direcciones flotantes). El MQ 4 es capaz de detectar niveles de concentracin
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- 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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4.1 ★★★★★
Based on 1344 reviews
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Product Reviews
★★★★★ 5
Good for using for makeshift folding RV counter
Size: 10 Inch
We installed these shelf brackets in our RV to use as an extension of the counter, using the sink cover. Because we do not want to screw the sink cover to the brackets, we have used velcro to attach it to the brackets. This has worked very well.
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Reviewed in the United States on March 16, 2026
★★★★★ 5
Great brackets for miter saw table
Size: 8 Inch, Size: 8 Inch
Used these brackets to make a fold out shelf for my miter saw table
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Reviewed in the United States on June 2, 2026
★★★★★ 5
Great light duty hinges
Size: 10 Inch
These worked great for my miter saw table foldable extensions. Smooth with solid and locking mechanisms
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Reviewed in the United States on January 1, 2026
★★★★★ 4
Almost perfect
Size: 16 Inch, Size: 16 Inch
Only reason I gave it 4 stars is, they aren’t exactly 90 degrees. I used them on a work bench and I could shim them to be right. If these were a critical component they would be off.
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Reviewed in the United States on February 21, 2026
★★★★★ 5
Does what it says
Size: 10 Inch
Does what it says and holds up
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Reviewed in the United States on May 21, 2026
