📺 Overview
The Nextion NX8048P070-011C is a 7-inch Intelligent Series HMI (Human Machine Interface) display designed to simplify GUI (Graphical User Interface) development and integration into embedded projects. It combines a vibrant touchscreen LCD, built-in MCU, memory, and rich multimedia support — so your microcontroller only needs to communicate via a simple UART serial interface. It works well with Arduino, ESP32, STM32, Raspberry Pi, and other devices.
📊 Key Features
✔ 7.0″ TFT LCD with 800 × 480 pixel resolution — crisp and readable UI area (~18.1 cm diagonal).
✔ Capacitive Touch Panel (CTP) — smooth, responsive touch control.
✔ Intelligent Series — more powerful than Basic/Enhanced series with support for audio/video, animation, and advanced components.
✔ Hardware UI acceleration — onboard Cortex-M MCU at ~200 MHz handles display logic.
✔ Supports Nextion Editor — drag-and-drop GUI design + simple serial commands for interaction.
✔ UART (TTL) interface — 4-pin (VCC, GND, TX, RX) connection to host MCU.
✔ Built-in RTC (Real-Time Clock) — useful for time-based UIs.
✔ GPIOs available — for input/output/event handling directly on the module.
✔ Audio/Video support — multimedia elements in your interface.
🧾 Specifications
Parameter Value
Model NX8048P070-011C
Series Nextion Intelligent Series
Display Size 7.0 inches (diagonal)
Resolution 800 × 480 pixels
Color Depth 65K colors (RGB565)
Touch Type Capacitive Touch Panel (CTP)
MCU ~200 MHz ARM processor
Flash Memory 128 MB
SRAM 512 KB
EEPROM 1 024 B
Instruction Buffer ~1 024–4 096 B (varies by source)
GPIOs 8 digital I/O (some PWM-capable)
RTC On-board real-time clock (CR1220 battery)
UART Interface 4-pin TTL (VCC, GND, TX, RX)
Backlight LED (~300 nit, adjustable)
SD Card Support microSD (up to 32 GB)
Operating Voltage ~4.75 V to 6.5 V DC (5 V typical)
Typical Current ~430 mA–530 mA @ 5 V (full brightness)
Max Current ~750 mA
Operating Temp –20 °C to +70 °C
Storage Temp –30 °C to +85 °C
Dimensions (no enclosure) ~181 × 108 × 9.3 mm
Visual Area ~154.08 × 85.92 mm
Active Area ~164.90 × 100.00 mm
Weight ~310 g (module only)
(*Some values vary slightly by source and vendor — e.g., current ratings and buffer sizes.)
🛠 Features & Use Cases
👍 Software & GUI Capabilities
Design interfaces using Nextion Editor (PC software with drag-and-drop components).
Supports buttons, sliders, images, gauges, progress bars, video, audio, QR codes, etc.
Rich effects: transparency, animations, page transitions.
🧩 MCU Integration
Communicates via simple ASCII-based serial commands to update UI state and read events.
The host MCU doesn’t need to manage low-level drawing — offloads to the Nextion module.
📌 Typical Applications
Industrial control panels
Home automation dashboards
IoT monitoring interfaces
Appliance user displays
Robotics and embedded GUI projects