NX3224F028 – Nextion 2.8 inch Discovery Series HMI Touch Display

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SKU: BE03050
Availability : In Stock Pre order Out of stock
Categories: Display Module HMI Display Modules
Description

The NX3224F028 – Nextion 2.8 inch Discovery Series HMI Touch Display is a compact and intelligent Human Machine Interface (HMI) solution designed to simplify graphical interface development for embedded systems. As part of the Nextion Discovery Series, this model delivers excellent performance and cost-efficiency, making it suitable for both hobbyist and professional applications.

Equipped with a 64 MHz MCU, 4 MB Flash, and 3584 Bytes SRAM, the display ensures smooth operation and fast response times. The 2.8-inch TFT LCD screen offers a clear 320×240 resolution, paired with a Resistive Touch Panel (RTP) for accurate and responsive touch input.

Nextion Editor Overview
Nextion Editor is a free human-machine interface (HMI) GUI development software for Nextion Basic Series, Enhanced Series, and Intelligent Series. The software offers an easy way to create an intuitive and superb touch user interface even for beginners. Add a static picture as a 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 and develop projects rapidly in a cost-effective way. The Nextion product is the best balance HMI solution between cost and benefit with a low and decreased learning curve.

Nextion Editor Features

Versatile Character Encoding
With several character encoding, you are able to create the HMI project in your language characters and strings.

Fonts and Text Styling
The font creator allows you to generate the specific fonts applied in each component value or text attribute. e.g.Generate the font of “Arial” with Height “24” and Encoding “UTF-8”

25+Amazing WYSIWYG Components
Easy-to-use components to customized GUI at screen side allow you to develop projects rapidly in a cost-effective way

Component Attribute Setting
The component attribute setting gives you the options to design all the aspects of the component that you need.

Free Simulator Debug
Debug the HMI project at any time even without the Nextion Display.The instruction input area allows you to send any Nextion commands to check the feedback and interactions.

Nextion Operational Commands
The operational commands allow users to program the HMI interactions by coding in Events windows

Text-based Instruction Set
Simple ASCll text based instructions will dramatically reduce your HMI project development workloads

Support Simple Assignment Operators
To handle the calculation and assignment for the text and Numeric data, the simple assignment operators help.

NX3224F028 VS NX3224T028

Compared with Basic Series, the Discovery Series has a better MCU performance, with the new image compression technique, the Discovery Series allows more pictures in the same amount of flash compared to Basic and Enhanced models. The operating current of deep sleep mode is as low as 0.25mA which makes the Discovery Series displays more suitable for battery-powered projects.

NX3224F028 Certification and Documents

Nextion Technical Support

Applications

  • IoT devices and smart home control panels

  • Industrial equipment dashboards and interfaces

  • Embedded control systems (Arduino, STM32, ESP32, Raspberry Pi)

  • DIY automation and educational electronic projects

  • Smart appliances and robotics displays

Key Features

  • 2.8-inch TFT LCD Display with 320×240 resolution

  • Resistive Touch Panel (RTP) for precise and durable touch response

  • High-speed 64 MHz MCU for fast and stable performance

  • 4 MB Flash Memory and 3584 Bytes SRAM for enhanced functionality

  • Supports Nextion Editor with 20+ prebuilt UI components

  • Low power consumption: operates at DC 5V 500mA

  • Simple UART (XH2.54 4P) interface for easy integration

  • Supports anti-aliasing fonts and multiple character encodings

  • Wide operating temperature range: -20°C to 70°C

  • Compact and lightweight design for flexible mounting and enclosures

Technical Specifications

Parameter Details
Brand NEXTION
Model NX3224F028
Display Size 2.8 inch
Resolution 320 × 240 pixels
Touch Panel Resistive (RTP)
MCU 64 MHz
Flash Memory 4 MB
SRAM 3584 Bytes
Input Power DC 5V 500mA
Interface (USART Port) XH2.54 4P
Storage Temperature -30°C ~ 85°C
Working Temperature -20°C ~ 70°C
Nextion Editor Components Text, Scrolling Text, Number, Xfloat, Button, Progress Bar, Picture, Crop, Hotspot, TouchCap, Gauge, Waveform, Slider, Timer, Variable, Dual-state Button, Checkbox, Radio, QR Code
Character Encoding Support ASCII, UTF-8, ISO-8859-1~15, GB2312, KS_C_5601-1987, BIG5, Windows-874/1255/1256/1257/1258, KOI8-R, Shift-JIS
Anti-Aliasing Font Supported
Net Weight 48.2 g
Shipping Weight 0.085 kg
Dimensions (L × W) 10.05 × 5.49 cm
Series Discovery Series

Package Includes

  • 1 × NX3224F028 – Nextion 2.8 inch Discovery Series HMI Touch Display

  • 1 × 4-pin connection cable

  • 1 × Power & data connector