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Description
BMT I2C BUS I/O EXP BRD-PCF8574TPCF8574T 8 BIT I O Expansion Board. 8 Boards Can Be Cascaded To 64 I O PCF8574T 8 BIT I O Expansion Board Overview The PCF8574 IO Expansion Board is used as remote 8 bit I O expander for I2C bus. Up to 8 PCF8574, IO Expansion Board can be connected to the I2C bus, providing up to 64 I O ports. The PCF8574 IO Expansion Board features I2C pin header on one side and I2C connector on the opposite side. Hence, it's more flexible to connect the board to
PCF8574T 8 BIT I/O Expansion Board. 8 Boards Can Be Cascaded To 64 I/O
PCF8574T 8 BIT I/O Expansion Board
Overview
The PCF8574 IO Expansion Board is used as remote 8-bit I/O expander for I2C-bus. Up to 8 PCF8574, IO Expansion Board can be connected to the I2C-bus, providing up to 64 I/O ports. The PCF8574 IO Expansion Board features I2C pin header on one side and I2C connector on the opposite side. Hence, it's more flexible to connect the board to your development system. The board also supports I2C cascading, allowing the use of a multi-module connected to the I2C bus at the same time by connecting the pin header and connector.
Specifications
- Working voltage: 2.5-6V
- Interface: IIC
- 8-bit parallel port
Additional Information
| Device | Expansion Board |
| Type | PCF8574T | 8 BIT I/O |
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
- If time is of the essence, please consider selecting expedited delivery for faster service.
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
4.6 ★★★★★
Based on 25 reviews
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Product Reviews
★★★★★ 5
Doggie approved!
Color: All-Around Dog Puzzle Toys, Color: All-Around Dog Puzzle Toys
⭐️⭐️⭐️⭐️⭐️
**Perfect Mental Workout for My German Shepherd!**
This 9 Pack All-Around Dog Puzzle Toy Set has been an absolute game-changer for my German Shepherd. As a highly intelligent and energetic breed, he needs more than just physical exercise, and these puzzles provide the mental stimulation he craves. Each toy offers a different challenge level, keeping him engaged and focused instead of bored or restless.
I love the variety in the set—it makes it easy to rotate the puzzles so he doesn’t lose interest. The toys are sturdy and well-designed, holding up well to my German Shepherd’s strength while still being easy to clean. They also help slow down treat time and encourage problem-solving, which is great for his overall behavior and enrichment.
If you have a smart, high-energy dog like a German Shepherd, this puzzle set is a must-have. It keeps him mentally sharp, entertained, and happily challenged every day! 🐕🧠⭐
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Reviewed in the United States on December 24, 2025
★★★★★ 5
2 great toys
Set name: DinoBone 2-Pack XL
Great chew toy. It is wonderful that there are two toys in the order. Both of my large dogs like them. Pretty durable and these dogs chew a lot. Highly recommend.
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Great Stuff
Set name: DinoBone 2-Pack XL, Set name: DinoBone 2-Pack XL
About as indestructible as it gets. It's just very hard molded material. I always make sure to wash the dog toys before letting them play, who knows where they come from. Picture is after hours/days of the built playing with it
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Stood up against Brody test
Set name: DinoBone 2-Pack XL
Brody is a 3yr old 85lbs pit mix and has always been able to completely destroy anything that says "able to withstand the most aggressive chewing " these products live up to the claim!! It has been at least 3 days since Brody has been chewing on the toys and they are holding their own against him! Highly recommended for aggressive chewers.
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Reviewed in the United States on May 31, 2026
★★★★★ 1
Indestructible??
Set name: DinoBone 2-Pack XL, Set name: DinoBone 2-Pack XL
I am giving this product 1 star but it really deserves 0 stars.
Their definition of indestructible is different than mine, my pit bull had the ends of this toy chewed off and splintered in 2 days, I'm praying that I don't have to take her to the vet because she might have swallowed some of the material that it's made with. I believe that this is a dangerous product for a dog.
I will be sending them back including the one that she chewed.
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Reviewed in the United States on May 15, 2026