#63 Nextion Displays with ESP8266 or Arduino UNO

In this video I answer the question: How can I use Nextion displays with boards like the Arduino UNO, the Arduino mini, or the ESP8266?

Nextion Displays:

[paulduncanson]

Sorry to bother you. I figured it out. t6.txt=Help" or n1.val++ or n2.val=23 works fine from the debugger.

I own a software company, but spent all my time for the last 10 year in negotiations or reviewing contract, or at best high level design reviews. My programmers and pHD's get to do all the fun stuff. About 5 weeks ago I purchased a bunch of Xbees, RaspberryPi's, Arduino's and parts and have been having so much fun, I've been studying a lot and learned the new C++ stuff, Python, and Swift and new IDE's, Frameworks, Languages, and part libraries and having a ball. The HMI displays and the ESP8266 ESP=12E's have been my favorites, Your videos have been a joy. I've been writing a lot of iOS app to run the 8266 from my iPhone via the internet. At 69, itI feels good to be an engineer again. Thank you so much!

[asiw]

Hi Andreas
Another clear and helpful video. I have not tried the Nextion display but after watching this I will get one.
Many thanks
Arthur

[MPElectronique]

Thank you so much for being here :) :D

[jon_raymond]

Congratulations on your pending 5k subscriber achievement!

[georgedlake]

Thanks! very useful. I got the Nextion after watching your other videos. Love the screen and I am using it with an ESP8266.

[joseg.rodriguezramirez]

HI Guy with the Swiss Accent again! I can't Thank you

[MiJu-Garden]

I had the same problem... Thanks Andreas you're confirmed my own solutions... but your explanation are always the best. Regards Michał

[IsaacC]

At 5:37 and 7:16, you mentioned that you used a "USB to Serial Adapter". I think this is incorrect. The input to that adapter is serial data (coming from Uno's Pin 3) and the output from that adapter is USB (going to your computer). The FTDI drivers that you install on your computer translates the USB data (which encapsulates the slower serial data, I'm guessing) back to serial so that Putty can display it.

"USB to Serial Adapter" implies that the input to the adapter is USB and that the output is Serial. However, USB communication runs on the order of Mbps and Serial operates in the effective communication speed of hundreds of kbps.

[freytube]

Excellent. Disappointed that have to plug and unplug display all the time. Was trying to using on my production machine to temperature and control a radiant heater

[rxtxprojetos]

Muito bom!!! Tirou minhas dúvidas com relação a conexões.

[priyabratasaha]

Thanks for the videos. These started growing interest on nextion display modules.
After watching all 4 videos about the topic now want to know some more. Mainly communication with the arduino is the part which is not clear. It will be greatly delightful if a video is made where interactions with the tools (e.g. buttons, slider, progress bar etc.) with arduino is used and described in more details. Now I have the idea that I can use the slider as a input pot and text or progress bar as a output of something, but how? Expecting more clarification on the topic.
Thank you.

[yuritkachov]

Hi Andreas! Subtitles, Title and description of the video uploaded.

[gmag]

You can use Serial.Swap() to redirect serial pins after boot so that you don't need to disconnect Nextion during flash. For debugging you still need to use Serial1. Thanx!

[Geeksmithing]

Great video! So to clarify, for the final example, you would have two USB plugs going from your setup, plugged into your pc? One for uploading data (when Nextion is disconnected), and another for just debugging information? THanks!!

[alexanderktn]

For the upload you might be able to use a CD4052B to switch between the display and the serial adapter (might be useful if you are beyond the breadboard stage). Or it might be possible to use transistors/mosfets to turn off the connection to the display while uploading (not sure)? For the ESP it should also be possible to just use OTA updates, it's faster than serial and you could leave the display connected.

[manoeljunior]

Andreas Spiess! Muito obrigado meu amigo.

[minayakarimova]

Thanks a lot! It was so useful video for my project!

[StephenMannUSA]

Andreas, I have two questions that you may be able to answer.
1) Where do you find all of the Arduino instructions for the Nextion display? The best I can do is to browse the library files, which is very tedious and certainly not suitable as a users "manual".
2) Do you have any idea why is it recommended to not use the attach:Push method?
(This is from NexButton.h:)
/**
* NexButton component.
*
* Commonly, you want to do something after push and pop it. It is recommanded that only
* call @ref NexTouch::attachPop to satisfy your purpose.
*
* @warning Please do not call @ref NexTouch::attachPush on this component, even though you can.
*/

Many thanks,
Steve

[norbertwenkel]

Dear Andreas,

Thanks for Videos about the Nextion Displays and the related Ardrino informations. I'm on my way to my next project which will be setup an Oscilloscope based on the Uno and the Nextion with extension Board. Do you or some of the readers some tips, hints and links how and where to start.

[deangreenhough]

useful and interesting, thank you kind sir