Overview
Nextion NX4832F035 is a 3.5″ Discovery Series HMI module combining TFT display, resistive touch interface, internal MCU, memory and I/O. It’s designed for embedded GUI development with simple UART communication.
Display
- Resolution: 480 × 320 (can also be set to 320 × 480)
- Color: 65K (16-bit RGB)
- Touch: Resistive, >1 million touches lifespan
- Backlight: LED (standard)
Power
- Operating Voltage: 5 V DC recommended
- Current: (at full brightness) — datasheet suggests up to 500 mA supply recommended
- Sleep / Deep-Sleep: module supports lower power mode; wakeup time is longer, data may be lost in deep sleep on UART events
Interface & Storage
- Serial: TTL UART, 4-pin (VCC, GND, TX, RX)
- Baud Rate: typically 9600 bps default, supports up to higher rates
- USB: Not available (no native USB)
- SD Card: Supports microSD (for firmware/HMI file) up to 32 GB (FAT32)
Memory
- Flash: 16 MB for HMI project, images, fonts
- RAM: 3,584 bytes (variable/working memory)
Physical Dimensions
- Active Area: 73.44 mm × 48.96 mm
- Module size, thickness, weight: (not fully specified in the datasheet)
Environmental
- Operating Temperature: –20 °C to +70 °C
- Storage Temperature: –30 °C to +85 °C
- Humidity: 10% to 90% RH (non-condensing)
Included in Package
- 1 × NX4832F035 display module
- 1 × power supply test board
- 1 × 4-pin (Grove) cable / connection wire
Applications
- Embedded GUI for appliances and equipment
- IoT and smart device interfaces
- Control panels, custom dashboards
- Display & touch interface for microcontroller systems
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