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LCD 4.3 Nextion Touch TFT Serial Display Panel Module NX4827P043-011C-Y

LCD 4.3 Nextion Touch TFT Serial Display Panel Module NX4827P043-011C-Y

The Nextion NX4827P043-011C-Y is a 4.3-inch intelligent HMI display module designed for embedded systems requiring a responsive graphical user interface with minimal load on the main controller. It features a 480 × 272 pixel TFT LCD with capacitive touch and IPS technology, providing a wide 178° viewing angle and improved color consistency. With 65K RGB color support and a brightness level of around 300 nits, it delivers clear and readable visuals in most environments. The module integrates a 200MHz onboard MCU, 512KB SRAM, and 128MB Flash memory, allowing it to independently handle UI rendering, touch processing, and event management. Communication is done via a simple TTL serial interface, making it compatible with Arduino, ESP32, STM32, and other microcontrollers.

Package Includes:

  • 1 x Nextion NX4827P043-011C-Y 4.3" HMI Display Module
  • 1 x Micro USB to 2-Pin Male Board
  • 1 x 4-Pin 2.54mm to Female Cable


550.00 AED 550.00 AED (Tax included)

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Features:

  • 4.3-inch IPS TFT LCD HMI display with capacitive touch panel
  • Resolution: 480 × 272 pixels
  • 65K RGB colors for clear and vibrant display output
  • Brightness: ~300 nits for good visibility
  • Onboard 200MHz MCU for standalone UI processing
  • 512KB SRAM and 128MB Flash memory for UI and data storage
  • 1024-byte EEPROM for parameter storage
  • TTL serial interface (4-pin XH2.54: +5V, TX, RX, GND)
  • Built-in audio interface for external speaker connection
  • Supports 16Ω 0.5W speaker output (speaker not included)
  • 8 extended GPIO pins (IO0–IO7) with input/output and event binding support
  • PWM support on IO6 and IO7
  • Built-in RTC with support for CR1220 backup battery (not included)
  • Easy integration with microcontrollers via UART communication
  • Integrated protective housing for easier installation

Principle of Work:

The Nextion HMI display works as an independent intelligent interface module. Once a UI project is uploaded, the internal MCU handles all graphical rendering, touch detection, and interface logic locally without requiring continuous processing from the host microcontroller. This significantly reduces firmware complexity and CPU load on the main system.

Communication with the external controller is done through a TTL serial connection using simple command-based messages. When a user interacts with the touchscreen, the module processes the event internally and sends predefined data or event signals back to the microcontroller, enabling efficient event-driven system design.

Pinout:

Nextion-NX4827P043-011C-Y-HMI-Capacitive-Touch-Display-with-enclosure_2.jpg

  • +5V: Power supply input
  • GND: Ground
  • TX: Data output (to microcontroller RX)
  • RX: Data input (from microcontroller TX)

Applications:

  • Industrial control panels and automation systems
  • Smart home interfaces and control dashboards
  • IoT devices with graphical user interfaces
  • Medical and laboratory equipment displays
  • DIY embedded UI projects
  • Data monitoring and visualization systems

Circuit:

  • Connect +5V and GND to a stable 5V power supply
  • Connect TX of the display to RX of the microcontroller
  • Connect RX of the display to TX of the microcontroller
  • Upload UI design using the Nextion editor via USB interface
  • Optionally connect speaker to audio port and CR1220 battery for RTC backup

Technical Details:

  • Display Size: 4.3 inch
  • Resolution: 480 × 272
  • Display Type: TFT LCD with IPS and capacitive touch
  • Color Depth: 65K RGB
  • Brightness: ~300 nits
  • MCU: 200MHz onboard processor
  • SRAM: 512KB
  • Flash Memory: 128MB
  • EEPROM: 1024 bytes
  • Interface: TTL Serial (4-pin UART)
  • Viewing Angle: 178° (IPS panel)
  • GPIO: 8 pins (IO0–IO7, PWM on IO6–IO7)
  • Audio Output: 16Ω 0.5W
  • RTC: Supported (CR1220 backup battery required)
  • Operating Temperature: -20°C to +70°C

Comparisons:

Compared to traditional TFT displays, this Nextion HMI module greatly simplifies system design by handling graphics rendering and touch processing internally. Standard TFT modules typically require continuous screen refreshing from the microcontroller, whereas this module operates independently once the UI is loaded.

Compared to basic serial display modules, this version offers higher resolution, IPS viewing angles, capacitive touch support, onboard processing, GPIO expansion, and audio output, making it more suitable for advanced industrial and professional applications.