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Adafruit ISO1540 Bidirectional I2C Isolator - STEMMA QT / Qwiic

Marsoni M251S
Sale price$10.74
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Get it in 3 business days with 1 day shipping. Friday, May 29
Adafruit ISO1540 Bidirectional I2C Isolator - STEMMA QT / QwiicThe Adafruit ISO1540 Bidirectional I2C Isolator is designed to provide full electrical isolation between two sides of an I2C bus. Perfect for setups where you need to keep an I2C bus controller and an I2C device electrically separated due to grounding differences, noise reduction, or special power monitoring requirements. This board uses the TI ISO1540 chip, which supports bidirectional I2C communication up to 1 MHz with clock stretching and operates
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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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4.8 ★★★★★
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Jesica Glover
Dallas, US
★★★★★ 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
R
Verified Purchase
Ronald d. Thomad sr.
Battle Creek, US
★★★★★ 4
Ease of setup
Color: Black
Nice and easy setup.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 23, 2026
A
Verified Purchase
alereyes68
Lowell, US
★★★★★ 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
F
Verified Purchase
Fran Kelly
Los Angeles, US
★★★★★ 5
Quality
Color: Black
Beautiful….well made
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Reviewed in the United States on April 18, 2026
L
Verified Purchase
Lacretia G
Belleville, US
★★★★★ 5
Use all pieces included
Color: Black
Hold good weight
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Reviewed in the United States on April 3, 2026

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