What’s Nextion

Nextion is a Human Machine Interface (HMI) solution combining an onboard processor and memory touch display with Nextion Editor software for HMI GUI project development.

Using the Nextion Editor software, you can quickly develop the HMI GUI by drag-and-drop components (graphics, text, button, slider, etc.) and ASCII text-based instructions for coding how components interact on the display side.

Nextion HMI display connects to peripheral MCU via TTL Serial (5V, TX, RX, GND) to provide event notifications that peripheral MCU can act on, the peripheral MCU can easily update progress, and status back to Nextion display utilizing simple ASCII text-based instructions.

Our mission is to reduce the HMI development workloads.


Nextion Offers an Ease of Use and Cost-effective HMI Solution for You.


5 Years LTA

Nextion guarantees the availability of all Series products for a minimum of 5 years with CE and RoHS certification compliant. Unless you are specifically notified at the time of purchase, all Nextion series products purchased will be available at least 5 years since 2019. Here is our LTA announcement.


Versatile Screen Sizes

Nextion is available in various TFT LCD touchscreen sizes including 2.4”, 2.8”, 3.2”, 3.5”, 4.3”, 5.0”, 7.0”, 10.1” . With a large selection to choose from, one will likely fit your needs. Go Nextion Series and Product Datasheets.


Quick and Easy GUI

The Nextion Editor software offers an easy way to create the intuitive and superb touch user interface even for beginners. Add a static picture as background, define functions by components, you can make a simple GUI in minutes. The easy Drag-and-Drop components and simple ASCII text based instructions will dramatically reduce your HMI project development workloads.


Cost-effective HMI Solution

Easy-to-use components, touch event programming and customized GUI at screen side allow you to develop projects rapidly in cost-effective way. The TTL serial Nextion display is the best balance HMI solution between cost and benefit with low and decreased learning curve. See Nextion Editor Guide and Instruction Set.


Nextion Technical Support

Nextion technical support team offers a basic hardware technical service with prompt response through all time zones.

As for further enhanced technical assistance to your project, Enhanced Support is available for you.


User-Help-User Forum

You are never alone to develop your project. Join us in Nextion Community Forum where you can ask questions, share topics and advice with each other.

Note: The Nextion forum is only accessible for registered users.

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The brand new Nextion MIDI I/O interface has arrived!

Designed for optimal interoperability with Nextion HMI, this universal TTL UART to MIDI interface transforms your favorite Nextion into a full-fledged MIDI controller. But we didn’t stop there. The NexMIDI (as my Chinese colleagues baptized it) is designed to be interfaced not only with any Nextion HMI display, but also with most microprocessors like Arduino, Teensy, PIC, STM32, Raspberry Pi, and so on. Logic level-wise, the RX pin of J2 accepts either 3.3V or 5V TX level from your Nextion Screen or from any MCU.

Password security in Nextion HMI – Part 1: Professionalize your development

Who hasn't experienced this - you are coding a HMI project and there are parts, for example a settings page, which you want to protect with a password. And then, tons of thoughts and considerations arise: Where and how do I store the password for comparison with the user entry? How do I protect a specific page from unauthorized access? And so on... Neither the Nextion's integrated MCU nor the Nextion programming language give us the required computing power to do true and secure encryption. But we aren't left alone with that. There exist a few simple technologies which allow us to add some layers of security to our HMI project. You may use one, several or all of them, depending on your project's security specifications or your personal level of paranoia 😉

Professional GUI design in 9 steps – A video tutorial

Let's imagine that you want to build a battery controller. Your MCU (Arduino or whatever) retrieves the basic parameters (battery level, voltage, current) with the analogRead() function which returns abstract digital 10bit values between 0 and 1023. Instead of caring about conversion and scaling in your MCU code, let the Nextion HMI do this job - it has enough free resources. Just have your MCU sending the 3 raw numbers over. The Nextion will do all the math to display them correctly, and - as a cherry on the cake - it will even compute and display the electrical power from the voltage and current values.

You may find out a Nextion Distributor in your country to purchase the Nextion products  from above search.
To be a Nextion Distributor, please submit an application form and we will reach you soon.


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