The 9 Best 20X4 I2C Lcd Displays (2022 reviews)

Sunfounder 20x4 i2c lcd display is the epitome of what a great display should be. The Sunfounder 20X4 I2C Lcd Display is worth the price, is good for input voltage, It worked fine and has a perfect design. Make sure this fits by entering your model number. And, the display is easy to read, is elegant, it is programmable and has an awesome design.

The display is good for the price, it is suitable for power supply and has a hardware design. Moreover, it is at a nice price, it works beautifully and has an open design. Finally, the sunfounder 20x4 i2c lcd display is designed for open source, is used for good thing, it is bigger and has a nice design.

Almost all customers agree that the display comes with a library and examples and a written manual, which you can download on their website. In addition, a few also found that the display was to fit the screen matrix. And, a few say that the 2 backlight enable pins on the interface board were shorted together even without the jumper in place.

Top Customer Quotes:

Sunfounder i2c lcd 2004 displays characters of 4 rows with 20 characters in each.
This comes with instructions, but there is lots of info online for these.
This will display any normal keyboard character and up to 8 custom characters.
This is fully adjustable from the pot dimmer on the back.

Best For Real Time Clock: Weewooday 20X4 I2C Lcd Display

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The Weewooday 20X4 I2C Lcd Display's high-end materials make sure that it ages well with use. The weewooday 20x4 i2c lcd display is great for a great price and it is designed for a perfect match. Lcd screen can display 2-lines x 16. Also, the display is designed for good function and it is used for power indicator.

The display comes with a default address and it is designed for a nice appearance. In addition, the display has only two bidirectional data lines, a serial data line and a serial clock. Most importantly, the weewooday 20x4 i2c lcd display comes with an i2c serial interface that can be applied to display real time clock, temperature, humidity and so on.

Most buyers opine that the display should be 16 x 4, 20 x 4 and 40 x 4. In addition, they strongly agree that the display is perfect for displaying metrics from sensors. Obviously, this product passed the test and had very satisfied buyers eager to share their experience.

Top Customer Quotes:

This comes with an i2c serial interface and is compatible with arduino and raspberry pi.
This is mechanical, worked fine and it has a default i2c bus address.
This is great for less wiring.
This has adjusted contrast and it is used for other functions.

Best For Raspberry Pi: Geeekpi 20X4 I2C Lcd Display

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The Geeekpi 20X4 I2C Lcd Display gives the top-tier display a run for their money by offering flagship specs at a much more affordable price. The geeekpi 20x4 i2c lcd display has always been a device that acts as a window in human-computer interaction. Manufacturer says: To get more information, please check our wiki, wiki.52pi.com/index.php?title=z-0235. The 2004a character lcd module is designed to display letters, numbers, symbols, dot matrix.

Finally, the geeekpi 20x4 i2c lcd display is suitable for jumper wires and it allows for data transfer.

To sum up, for most buyers, Geeekpi product was the most suitable.

Why We Like This:

Package includes:1 x lcd2004,1 x jumpwire.
It is also necessary to adjust the contrast.
This can display 4 lines of 20 characters.
This is used to display real time clock, temperature, humidity etc.

Best For Data Line: Aceirmc 20X4 I2C Lcd Display

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Not everyone likes to purchase displays for their daily use, but the Aceirmc 20X4 I2C Lcd Display would be an anomoly. Further, the aceirmc 20x4 i2clcd display is a high-performance serial bus with bus rules and high-speed or low-speed device synchronization required for multi-master systems. Before you upload the code to the control board, please download the liquidcrystal_i2c library. In addition, it works great, easy enough and it is white. Lastly, the aceirmc 20x4 i2c lcd display is available in green and blue colors.

One customer says - "With the i2c your display only needs 2 pins plus power. ". Most buyers agree that the display is working the whole time. To sum up, most buyers call the display suits best, and no one questions it.

Why We Like This:

This has always been a device that acts as a window in human-computer interaction.
Lot of satisfied buyers.

Best For High Quality: Almocn 20X4 I2C Lcd Display

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The Almocn 20X4 I2C Lcd Display's superior materials makes sure that it ages well with use. The almocn 20x4i2c lcddisplay works as expected and it comes with a default address. Backlight control, you can control by jumpers, can also be controlled by the program. And, this is great for high quality and it is white. Most importantly, the almocn 20x4 i2c lcd display comes with an iic/i2c interface, It only has two i/o ports, thus saving more for other languages.

In conclusion, buyers found this to be one of the best displays for daily purposes.

Why We Like This:

The Lcd display module is based on the popular hd44780 controller,compatible with the arduino r3/mega2560 board.
You can adjust the contrast with the potentiometer at its back.
Display function:i2c lcd 2004 displays characters of 4 rows with 20 characters in each.

RELATED: Best 40 Pin Lcd Cables

Best For Supply Voltage: Daoki 20X4 I2C Lcd Display

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The Daoki 20X4 I2C Lcd Display's high-end materials make sure that it ages well with use. Make sure this fits by entering your model number. In addition, the display works well for logic level and it is designed to supply voltage. In conclusion, with a 4.6 rating and more than 144 buyers, the daoki 20x4 i2c lcd display stands as the best choice.

Most customers find that the display is the board that needs the address changed.

Why We Like This:

Pin definition: gnd, vcc, sda, scl.
Delivers what they promise.

Best For Jst Connector: Sparkfun 20X4 I2C Lcd Display

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The Sparkfun 20X4 I2C Lcd Display is capable of outshining several other displays featured in this list in overall features for the price point. The sparkfun 20x4 i2clcd display can now communicate in three different ways. Otherwise, you may risk damaging your board. The on - board atmega328p avr microcontroller utilizes 11.0592 mhz crystal for greater communication accuracy with adjustable baud rates of 1200 through 1000000 but is default set at 9600.

Above all, the sparkfun 20x4i2c lcd display allows direct control of backlight brightness and current consumption.

Why We Like This:

This allows for software defined contrast amount.
User definable splash screen. Dimensions (lxwxh): 97.67x60.23x15.32mm. Weight: 0.1532 oz.
This is compatible with the arduino bootloader and enables updates via the arduino ide.
The manufacturer says: we're here to help you start something.

Best For Diyer: Alamscn 20X4 I2C Lcd Display

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The Alamscn 20X4 I2C Lcd Display is the most suitable display on the market today. The alamscn 20x4 i2c lcddisplay is perfect for analog input pin, It is industrial and has a power - saving design. Please check which chip you have on the i2c interface. Also, it works well with low power, is used for serial communication, it is great for network equipment and has a perfect design.

Above all, the alamscn 20x4 i2c lcd display has a reset function and it works well for wide temperature range.s.

As a result, customers were very happy to recommend it to friends and would-be buyers.

Why We Like This:

Before you upload the code to the control board, please download the liquidcrystal_i2c library.
This is designed for multi-function and it is great for laser printers.
Usually used in copiers, fax machines, laser printers, industrial test equipment and network equipment.
Using 2004 20x4 high-quality lcd screen, clear display.

Best For Low Power: Alinan 20X4 I2C Lcd Display

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The Alinan 20x4 i2c lcd display has killer features for the price point. Moreover, the Alinan 20x4 i2c lcd display works with low power consumption and it is programmable. This kit contains a 3pcs iic/i2c/twi serial interface adapter, you can start your project at any time. And, this has always been a device that acts as a window in human-computer interaction. Finally, the Alinan 20X4 I2C Lcd Display is available in 2 attractive colors: green and blue.

Why We Like This:

This works well for power consumption and it has support IIC interface.
It displays 20 characters in one row, 4 rows can display 80 characters.
This used to display characters and it comes with a default address.
This is compatible with raspberry pi, banana pi, tinker board, stm32, esp32 etc.