There are several advantages of having a i2c gpio expander board. We are here to help you pick the best one for your purposes from all the best available products in market today.

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Our Top Picks:

Best Overall: Buy: Elegoo I2C Gpio Expander Board READ REVIEW

Best For Money: Buy: Sunfounder I2C Gpio Expander Board READ REVIEW

Best For Best Value: Buy: Seeed Studio I2C Gpio Expander Board READ REVIEW

Best With Power Supply: Buy: Cqrobot I2C Gpio Expander Board READ REVIEW

Best For Raspberry Pi: Buy: Waveshare I2C Gpio Expander Board READ REVIEW

Best For Top Row: Buy: Songhe I2C Gpio Expander Board READ REVIEW

Best For Typical Application: Buy: Comimark I2C Gpio Expander Board READ REVIEW

Best With Part Number: Buy: Hiletgo I2C Gpio Expander Board READ REVIEW

Best For Electric Building Block: Buy: Waveshare Microcontroller Board READ REVIEW

Best Overall: Elegoo I2C Gpio Expander Board

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The Elegoo I2C Gpio Expander Board is capable of outshining several other boards featured in this list in overall features. Moreover, the elegoo i2c gpio expander board is a not connected pin, that is reserved for future purposes. Make sure this fits by entering your model number. The case the adapter can be connected by plugging a 2.1 mm center - positive plug into the board 's power jack. Lastly, the elegoo i2c gpio expander board is available in 2 vibrant colors: blue and black.

Most buyers opine that the board is available in both blue and black boards. In addition, they also found that the board with switch 2 on the position rxd3 txd3. In addition, they strongly agree that the stepper motor shield ( that is designed for an arduino uno board ) fits perfectly and requires very little force to seat properly.

• This is then inserted into a padded shipping envelope for mailing.
• This is selected automatically and provides an extra layer of protection.
• This is a perfectly fine mega 2560 clone... good build, works as expected.
• This will be no brighter at 17ma...and last a lot longer.

Best For Money: Sunfounder I2C Gpio Expander Board

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The Sunfounder I2C Gpio Expander Board might be a relatively new release, but it's still nothing short of impressive this year. The sunfounder i2c gpio expander board is great for lots of examples, It works perfectly and has a nice design. The i2c lcd1602 library is provided, so you can call it directly. Moreover, it is used to display characters, letters and numbers.

The board can trust for good quality, It is good to go and has a very good design. In addition, the board is designed to supply voltage, It is cleaner and has an open design. Lastly, the sunfounder i2c gpio expander board is also simple to handle.

Almost all buyers found that the board does work with an arduino nano as well. Also, a few strongly agree that the board is easy to get running on arduino using wire.h and liquidcrystal_i2c.h libraries. Moreover, they say that the manufacturer provides a library for this display on their wiki.

• Therefore, this is a perfect choice to make your project more interesting and vivid.
• This display works well with the i2c interface connected to an arduino.
• This will not work for any sort of fast animation.
• This works with the standard "liquidcrystal_i2c" library.

Best For Best Value: Seeed Studio I2C Gpio Expander Board

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The Seeed Studio I2C Gpio Expander Board is capable of outshining several other boards featured in this list in overall features for the price point. The seeed studio i2c gpio expander board is removable, It allows for great ideas and has a good design. board as small as this size will use the chip’s inner crystal oscillator for time fixing, In order to make the clock more accurate, Seeeduino Xiao layouts an extra 32.768khz to make the clock more stable. This arduino ide compatible board xiao is also equipped with a 256 kb flash memory and 32 kb sram.

Most importantly, the seeed studio i2c gpio expander board is easy to solder, is built for processing power, it is friendly and has a compact design.

Almost all customers opine that the board is great with a 2015 mbp. In addition, they say that the board is easy to use but does not have exact feature parity to the Atmel arduinos. Further, a few strongly agree that the board features the same hardware but does include an rgb led. In short, at the price, they believe that they got a steal of a deal with it.

• This is easy to control through python.
• This is great for reducing shipping costs for several of them.
• This looks like squiggly traces on the pcb.
• This is capable of up to 12 bit analog reading.

Best With Power Supply: Cqrobot I2C Gpio Expander Board

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The Cqrobot I2C Gpio Expander Board is capable of outshining several other boards featured in this list in overall features for the price point. The cqrobot i2c gpioexpander board has an example code and it is suitable for high temperature.s. Make sure this fits by entering your model number. And, this provides for technical support, is made with a product description and it comes with a sample code.

Lastly, the cqrobot i2cgpio expander board is made for high quality and it is friendly.

Almost all buyers quickly discovered that the board comes in a plastic container. Further, they strongly agree that the board comes with development resources and manual. And, they strongly agree that the container is barely large enough to contain the board and wires. Overall, the tone of buyers is very positive and we believe that the board suits the purpose.

• I2c controlled, expands 2 signal pins into 16 i/o pins.
• I2c address configurable by shorting the a0/a1/a2 jumpers.
• This is compatible with arduino motherboard, raspberry pi motherboard, micro.

Best For Raspberry Pi: Waveshare I2C Gpio Expander Board

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The Waveshare I2C Gpio Expander Board should be able to handle its purposes and duties with ease. The waveshare i2c gpio expanderboard is suitable for jumper wires and it allows for more expansion. Raspberry pi pico evaluation kit includes raspberry pi pico with pre-soldered header, 1.14inch lcd display module, 10-dof imu sensor module, dual gpio expander, 830 quality breadboard etc. The pico + color lcd + imu sensor + gpio expander raspberry pi pico evaluation kit type b pico unit & three basic expansion boards, comes with demo codes for gpio, pwm, i2c, spi.

Finally, the waveshare i2c gpio expander board has a pin header and it is yellow.

• 1.14" lcd display module for pico, embedded st7789 driver, using spi bus.
• This was designed using a Raspberry Pi.
• 1.14" lcd display module for pico ,embedded st7789 driver, using spi bus.
• Dual gpioexpander for pico,two sets of standard raspberry pi pico gpio male headers.

Best For Top Row: Songhe I2C Gpio Expander Board

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The Songhe I2C Gpio Expander Board's material feels more premium than its price would suggest. The songhe i2c gpio expander board has a pin header, has led indicators and it is best for a good deal. supports two interface types to access the target board. Also, this provides external power and it is good for typical application.s. Most importantly, the songhe i2cgpio expanderboard is great for a great price and it worked perfectly.

Almost all customers quickly discovered that the board works perfect with yocto Linux, too. And, a few strongly agree that the board is an i2c expansion io port. Overall, the tone of buyers is very positive and we believe that the board suits the purpose.

• The i/o resources are in short supply and the mcu i/o expansion.
• Lot of satisfied buyers.

Best For Typical Application: Comimark I2C Gpio Expander Board

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The Comimark I2C Gpio Expander Board's material feels more premium than its price would suggest. supports two interface types access the target board. Moreover, the board has a pin header, is good for typical applications and it is open. In short, with a 4.8 rating and more than 96 buyers, the comimark i2c gpio expander board stands as the best choice.

One customer says - "These are very handy when you need a bunch of associated inputs. ". Most buyers quickly discovered that the board is because the datasheet counts the r/w bit as the first bit and the arduino does not count this bit and thus the address is divided by 2.

• Typical application: i / o resource shortage mcu i / o expansion.
• Package included: 3 x pcf8574 io expansion board i/o expander i2c-bus evaluation development module.
• Main resources: the pcf8574 i2c interface, 8-bit parallel.

Best With Part Number: Hiletgo I2C Gpio Expander Board

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We would, of course, be remiss if we didn't mention Hiletgo I2C Gpio Expander Board for daily purpose. The hiletgo i2c gpio expander board will for excellent value, does the job and it works very nicely. Make sure this fits by entering your model number. In addition, the board allows for nice work and it worked perfectly.

Lastly, the hiletgo i2c gpio expander board comes with part number and it is good for typical applications.

Most buyers agree that the board is good for interfacing i2c. In addition, they say that the board is very useful in using both inputs and outputs to create a numeric keyboard interface, saving arduino i/o pins for other purpose. In conclusion, buyers found this to be one of the best boards for daily purposes.

• Maximum features: supports two types of interface.
• The main resources: pcf8574, i2c interface, the 8-bit parallel.
• This is made with good customer service and it works flawlessly.
• Typical applications: for i / o resource constraints the mcu i / o expansion.

Best For Electric Building Block: Waveshare Microcontroller Board

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The Waveshare Microcontroller Board is capable of outshining several other boards featured in this list in overall features for the price point. And, the waveshare microcontroller board includes a raspberry pi pico board with a pre-soldered header+1.14 inch color lcd+10-dof imu sensor+dual gpio expander+breadboard, comes with demo code for gpio, pwm, i2c, spi etc. incorporates Raspberry pi's own rp2040 microcontroller chip, with a dual-core arm cortex m0+ processor running up to 133 mhz, with flexible digital interfaces, embedded 264kb of sram and 2mb of on-board flash memory. And, this is used to collect environmental sensing data like temperature and barometric pressure. Finally, the waveshare microcontroller board is available in 2 vibrant colors: raspberry pi pico evaluation kit (b) and raspberry pi pico basic kit.

In conclusion, most customers find the board is functionally comfortable and no one questions it.

• This is suitable for jumper wires and it is designed for multi-function.
• This allows for more expansion and it is yellow.
• This is suitable for building simple circuits, electric building block, electric diy, and so on.
• incorporates 9-axis motion sensor icm20948 and baroceptor lps22hb, uses i2c bus for communication.