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A few weeks ago, I wrote this article about using a text variable as an array, either an array of strings or an array of numbers, using the covx conversion function in addition for the latter, to extract single elements with the help of the spstr function. It"s a convenient and almost a "one fits all" solution for most use cases and many of the demo projects or the sample code attached to the Nextion Sunday Blog articles made use of it, sometimes even without mentioning it explicitly since it"s almost self-explaining. Then, I got a message from a reader, writing: "... Why then didn"t you use it for the combined sine / cosine lookup table in the flicker free turbo gauge project?"105 editions of the Nextion Sunday blog in a little over two years - time to look back and forth at the same time. Was all the stuff I wrote about interesting for my readers? Is it possible at all to satisfy everybody - hobbyists, makers, and professionals - at the same time? Are people (re-)using the many many HMI demo projects and code snippets? Is anybody interested in the explanation of all the underlying basics like the algorithms for calculating square roots and trigonometric functions with Nextion"s purely integer based language? Are optimized code snippets which allow to save a few milliseconds here and there helpful to other developers?Looking through the different Nextion user groups on social networks, the Nextion user forum and a few not so official but Nextion related forums can be surprising. Sometimes, Nextion newbies ask questions or have issues although the required function is well (in a condensed manner for the experienced developer, I admit) documented on the Nextion Instruction Set page, accessible through the menu of this website. On top of that, there is for sure one of my more than 100 Sunday blog articles which deals not only with that function, but goes often even beyond the usual usage of it. Apparently, I should sometimes move away from always trying to push the limits and listen to the "back to the roots!" calls by my potential readers...Do you remember the (almost) full screen sized flicker free and ultra rapid gauge we designed in June? And this without using the built-in Gauge component? If not, it"s time to read this article first, to understand today"s improvements. The June 2022 version does its job perfectly, the needle movement is quick and smooth, and other components can be added close to the outer circle without flickering since there is no background which needs constantly to be redrawn. But there was a minor and only esthetic weak point: The needle was a 1px thin line, sometimes difficult to see. Thus, already a short time after publishing, some readers contacted me and asked if there were a way to make the needle thicker, at least 2 pixels.Recently, when playing with a ESP32 based NodeMCU 32S and especially with its WiFi configuration, I did as (I guess) everybody does: I loaded an example sketch to learn more about the Wifi library. When you set up the ESP32 as an access point, creating its own wireless network, everything is pretty straightforward. You can easily hard code the Wifi name (SSID) and the password. But what about the client mode ? Perhaps one needs to use it in different environments. And then, a hard coded network name and password are definitively not the best solution. Thus, I thought, why not use a Nextion HMI for a dynamic WiFi setup functionality?Although the Nextion MIDI I/O interface  has been primarily designed as an add-on for Nextion HMI screens to transform these in fully autonomous MIDI devices as shown in previous blog posts here, it is also of great use for any Arduino based electronic music project! Many MIDI projects for Arduino suffer from a lack good hardware support. There are sophisticated code, excellent libraries and an infinity of use cases, but afterwards, things tend not to work in a rather rough environment in the studio or on stage. That"s because two resistors and a few Dupont wires on a breadboard besides the Arduino are not really an interface which could drive your Synth, Sequencer, or Drum machine over a 5m long MIDI cable.

Description: Nextion is a Seamless Human Machine Interface (HMI) solution that provides a control and visualisation interface between a human and a process, machine, application or appliance. It is the solution to replace the traditional LCD and LED Nixie tube. Nextion includes hardware part (a series of TFT boards) and software part (the Nextion editor). The Nextion TFT board uses only one serial port to communicate. It lets you avoid the hassle of wiring. We notice that most engineers spend much time in application development but get unsatisfactory results. In this situation, Nextion editor has mass components such as button, text, progress bar, slider, instrument panel etc. to enrich your interface design. And the drag-and-drop function ensures that you spend less time in programming, which will reduce 99% of your development workloads. With the help of this WYSIWYG editor, designing a GUI is a piece of cake. It" s easy to adapt Nextion family HMI to existing projects, you just need to provide it a UART. NX4827T043 is a powerful 4.3 " " HMI, which is member of Nextion family.

Features: Compatible for Raspberry Pi A+, B+ and for Raspberry Pi 2. 480 x 272 Resolution RGB 65K true to life colours TFT Screen with integrated 4-wire Resistive Touch Panel Easy 4 pin interface to any TTL Serial Host 16M Flash memory for User Application Code and Data On board micro-SD card for firmware upgrade

Adjustable Brightness: 0~230 nit, the interval of adjustment is 1% 5V250mA power consumption Link Wiki No Display Resolution 480 * 272 Display Interface Serial Screen Type Touch Screen Display Controller No TFT display interface N/A Display Size 4.3 ” Board Size 120mm*74mm Expand SD Card Socket Touch Screen Weight 141g

Nextion is a Seamless Human Machine Interface (HMI) solution that provides a control and visualization interface between a human and a process, machine, application, or appliance. Nextion is mainly applied to the Internet of Things (IoT) or consumer electronics field. It is the best solution to replace the traditional LCD and LED Nixie tube.

Nextion includes a hardware part (a series of TFT boards) and a software part (the Nextion editor). The Nextion TFT board uses only one serial port to communicate. It lets users avoid the hassle of wiring. We noticed that most engineers spend much time in application development but get unsatisfactory results. As a solution to this situation, the Nextion editor has mass components such as buttons, text, progress bars, sliders, instrument panels,s, etc. to enrich the interface design. Furthermore, the drag-and-drop function ensures that users spend less time in programming, which will reduce 99% of their development workloads. With the help of this WYSIWYG editor, designing a GUI is a piece of cake.

3.5" Basic Nextion NX4832T035 HMI TFT Intelligent Display Module is a powerful 3.5"" HMI, which is a member of the Nextion family. Features include: a 3.5" TFT 480x320 resistive touch screen display, 16M Flash, 3.5KByte RAM, 65k colors.

Nextion is a seamless Human Machine Interface (HMI) solution that provides a control and visualization interface between a human and a process, machine, application or appliance. Nextion is mainly applied to Internet of thing (IoT) or consumer electronics field. It is the best solution to replace the traditional LCD and LED Nixie tube.

The 7.0"" enhanced Nextion HMI resistive/ capacitive touch display with an enclosure. Nextion screen is an upgraded LCD panel with more powerful features. There are two models: NX8048K070_011C and the NX8048K070_011R. The NX8048K070_011C is a powerful 7.0"" HMI TFT capacitive multi-touch display with enclosure, while the NX8048K070_011R is resistive touch panel with an enclosure. Both integrate with 32MB Flash data storage space, 1024 byte EEPROM, 8192 byte RAM, and with GPIO supported.

During the process of embedded system design, one of the most annoying, time-consuming things is the human-machine interface design. You need a slick chart or slick graph, quick page designs, you need resources stored for quick processing, you will find the answer inside the amazing Nextion Products Line.

Nextion is optimized to meet your specific human-machine interface needs using open and standardized interfaces in hardware and software, which allows efficient integration into your automation systems.

Man machine systems, Visualization, Humans Interaction, Cognition, Visual perception, Machine intelligence, Cybernetics, even robotics, are just a few examples, where HMI concepts play an important role.

Nextion is designed to work with minimal design effort as all of the data and control signals are provided by the device to interface directly to the display. This offers enormous advantage to the designer in development time and cost saving and takes away all of the burdens of low level design.

Nextion will help you quickly design visually in hours not weeks, turn long coding work into simple drag and drop operation, at a reasonable cost. What you only need, is interface a serial port to Nextion display hardware.

Demo speaks louder than words, here comes another video show you how quickly and easily an application can be designed by dragging and dropping objections to the virtual screen on a WYSIWYG design IDE - Nextion Editor.

Compare to the basic Nextion displays, the enhanced ones have added some new functions, such as: supporting built-in RTC, supporting save data to Flash, supporting GPIO, larger flash capacitive and larger CPU clock.

Nextion is a Seamless Human Machine Interface (HMI) solution that provides a control and visualisation interface between a human and a process, machine, application or appliance

We have aggregated REES52 2.4" Nextion USART HMI TFT LCD Display Module for Raspberry Pi 2 A+ B+ Arduino price and coupon offers available across all online stores in .

REES52 2.4" Nextion USART HMI TFT LCD Display Module for Raspberry Pi 2 A+ B+ Arduino lowest price in as on Fri, 16 Dec 2022 is Rs. 3,299 offered by Amazon.