The 11 Best I2C Expansion Boards (2022 reviews)

Cqrobot i2c expansion board is the epitome of what a great board should be. The Cqrobot I2C Expansion Board is compatible with arduino motherboard, raspberry pi motherboard, micro. Make sure this fits by entering your model number. In addition, this is made for high quality and it is made for high temperature.s.

Most importantly, the cqrobot i2c expansion board has mounting hole size and it has an example code.

Almost all buyers agree that the board comes with development resources and a manual. Also, they say that the board comes in a plastic container. Also, a few also found that the container was barely large enough to contain the board and wires. As a result, customers were very happy to recommend it to friends and families.

Why We Like This:

This is made with product description and it is used for power supplies.
This is right and it provides technical support.
I2c controlled, expands 2 signal pins into 16 i/o pins.
I2c address configurable by shorting the a0/a1/a2 jumpers.

Best With Usb Port: Keyestudio I2C Expansion Board

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We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate board. The Keyestudio I2C Expansion Board is exactly that - it's a simple board that hits all the right notes. The keyestudio i2c expansion board is suitable for jumper wires, is educational and it is used for power input. Send the code to your micro. Also, the board is made from environmentally friendly components and materials.

The board is great for micro usb port, provides technical support, it comes with a sample code and has a clean design. Finally, the keyestudio i2c expansion board is serial, It is beautiful and has a beautiful design.

Why We Like This:

This is not easy to test with other sensor modules.
This is used for serial communication and it is used for power indicators.
It is easy to connect the micro.
So, this shield will allow communication between micro.

Best For Next Day: Waveshare I2C Expansion Board

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Next on the list, we've got yet another board that manages to win our hearts. It's the Waveshare I2C Expansion Board and it's widely considered as the board that has the most suitable features. The waveshare i2c expansion board works perfectly, is super easy, it provides two connector options and has a nice design. Make sure this fits by entering your model number. In addition, it allows multiple i2c modules to be stacked.

The board is next, It is great with prompt service and has a good design. Finally, the waveshare i2c expansion board is easy to setup, It is very happy and has a perfect design.

One customer says - "You can try the io side with the supplied headers. ". Most buyers opine that the board is easy to use for job expansion.

Why We Like This:

This is good to go and it is good for fast delivery.
This has a mounting hole size, it has an input port and has a great design.
Onboard voltage translator, compatible with 3.3v/5v level.
This is very good and it is best for the next day.

Best With Display: Teyleten Robot I2C Expansion Board

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The Teyleten Robot I2C Expansion Board should be able to handle its purpose and duties with ease. The teyleten robot i2c expansion board has a 2.1mm x 5.5mm socket to apply power (just like an arduino uno) and a 3.3v regulator to suppliment the 5v regulator on the nano. Make sure this fits by entering your model number. The i2c interface on the main board facilitates the connection with i2c devices.

Above all, the teyleten robot i2c expansion board works as advertised and it is used for power input.

Most customers agree that the board is great for connecting sensors and other things that need 5v. And, they strongly agree that the board allows use of 'uno style' shields. Therefore, most buyers find the board suits best, and no one questions it.

Customers also found that its wise to buy a i2c expansion board, along with this board.

Why We Like This:

It is pretty good and it is light.
This is much better than using a breadboard.
This is simple, works fine and it comes with a power output.
It is very well and it is yellow.

Best With Switch: Dorhea I2C Expansion Board

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The Dorhea I2C Expansion Board is capable of outshining several other boards featured in this list in overall features for the price point. Also, this is connected to an i2c device with multiple identical addresses on the same i2c port on the main control board for normal communication and use. Make sure this fits by entering your model number. Lastly, the dorhea i2cexpansion board has a turn-on gate so that the vcc pin can be used to limit the maximum high voltage through the tca9548a.

In short, buyers found this to be one of the best boards for daily purposes.

Few customers got i2c expansion board, along with the board.

Why We Like This:

Delivers what they promise.
One of the newcomers and featured product.

Best For Top Row: Songhe I2C Expansion Board

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Not everyone likes to purchase a boards for their daily usage, but the Songhe I2C Expansion Board would be an anomoly. The songhe i2c expansion board has led indicators and it is used for external power. Make sure this fits by entering your model number. Also, it has a pin header and it is good for power supply.

Most importantly, the songhe i2c expansionboard is right and it is good for typical application.s.

One customer says - "This means if you pick an appropriate address you now have available ground and 5v pins that you can connect to local devices as the top row of p0-7 doesn't have any. ". Almost all buyers opine that the board is perfect with yocto Linux, too. In short, for most buyers, it was what they were looking for.

Customers say that buying a i2c expansion board and i2c gpio expander board, with this board made their life much easier.

Why We Like This:

This is best for a good deal, is designed for a great price and it worked perfectly.
supports two interface types to access the target board.
The i/o resources are in short supply and the mcu i/o expansion.

Best With Header: Daoki I2C Expansion Board

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The Daoki I2C Expansion Board is the most suitable board on the market today. Make sure this fits by entering your model number. This multiplexer acts as a gatekeeper, shuttling the commands to the selected set of i2c pins with your command. In conclusion, with a 4.9 rating and more than 88 buyers, the daoki i2c expansion board stands as the best choice.

In conclusion, for most customers, it was just what they wanted.

Customers also discovered that its wise to buy a i2c expansion board and i2c gpio expander board, along with this board.

Why We Like This:

You would be, if you didn't have this ultra-cool tca9548a i2c 1-to-8 i2c multiplexer.
Good investment for the long term.

Best With Lcd: Anmbest I2C Expansion Board

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The Anmbest I2C Expansion Board should be able to handle its purpose and duties with ease. The anmbest i2cexpansion board is fantastic for arduino based project. As the pin resources of an arduino controller are limited, your project may not be able to use a normal lcd shield after being connected with a certain number of sensors or SD card. Moreover, it is serial and it is good for input voltage.

The board includes an 8-bit quasi-bidirectional port and an i2c bus interface. Moreover, it comes with wiring instructions and it is short. Finally, the anmbest i2c expansion board is blue and it is great for data online.

Without any doubt, this product passed the test and had very satisfied buyers eager to share their experience.

Customers say that getting a i2c expansion board, along with board is useful.

Why We Like This:

This works fine, is perfect for power supply and it is adjustable.
Lot of satisfied buyers.

Best For Typical Application: Aitrip I2C Expansion Board

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The Aitrip I2C Expansion Board is suitable and reliable and fits well with your daily purpose. In addition, the board is great for quality produce is small and it is good for typical application.s. Make sure this fits by entering your model number. Finally, the aitrip i2c expansion board is applicable and it is great for typical applications.

With no doubts, this board passed the test and had very satisfied buyers eager to share their experience.

Why We Like This:

Package included: 10pcs x pcf8574 io expansion board i/o expander i2c-bus evaluation development module.
Applicable to a variety of platforms including avr / arm.
Pcf8574 io expansion chip with i2c interface, 8-bit parallel port output.
Typical application: i / o resource shortage mcu i / o expansion.

Best For Great Quality: Noyito I2C Expansion Board

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Noyito has been making great boards for years, thanks to a combination of clever design and appropriate materials. The Noyito I2C Expansion Board is perfect for great quality, is important and it is good for packing list. supports two types of access to the target board interface. The pcf8574 io expansionboard is used as a remote 8 - bit io expander for i2c.

Finally, the noyito i2c expansion board has a pin header, has mounting holes and it worked perfectly.

To sum up, buyers found this to be one of the best boards for daily purposes.

Customers found that getting a i2c expansion board, with this board made their life much easier.

Why We Like This:

For the lack of i / o resources to i / o expansion.
Up to 8 pcf8574 io expansion board can be connected to the i2c.
Supports i2c bus cascade (via pencil row docking methods used simultaneously by several i2c modules).
Pcf8574, i2c interface, 8-bit parallel port.

Best For Very Nice Boards: Aceirmc I2C Expansion Board

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Next on the list, we've got yet another board that manages to win our hearts. It's the Aceirmc I2C Expansion Board and it's widely considered as one of the most convenient boards you can buy. In addition, it is connected to an i2c device with multiple identical addresses on the same i2c port on the main control board for normal communication and use. Make sure this fits by entering your model number. Above all, the aceirmc i2c expansion board matches very nice boards and it very well.

To sum up, the tone of buyers is very positive and we believe that the board suits the purpose.

Customers also discovered that its wise to buy a i2c expansion board, along with this board.

Why We Like This:

Tca9548 tca9548a 1-to-8 i2c 8 -way multi-channel expansion board iic module development board.
New and hot releases.