ASTGEK028NGD/RGD

2.8″ TFT LCD Display | 320×240 Touchscreen | ARM Cortex-M4F

Industrial 2.8-inch TFT LCD display with 320×240 resolution, ARM Cortex-M4F CPU, RS485 communication, SD card download, and resistive touchscreen.

2.8″ TFT LCD Touchscreen Display Module ASTGEK028 | Industrial-Grade RS485 Display

Overview

The ASTGEK028 is a 2.8-inch TFT LCD touchscreen display module designed for industrial applications. It features a 320×240 resolution, 65,536 colors, and 250 cd/m² brightness, delivering sharp and clear visuals. The 4-wire industrial resistive touchscreen (ASTGEK028RGD) has a 4H surface hardness, ensuring durability in demanding environments. Powered by a 200MHz ARM Cortex-M4F CPU, this module includes 8MB SPI NOR Flash for efficient storage and processing.

Key Features

  • High-Quality Display: 2.8-inch TFT LCD, 320×240 resolution, 250 cd/m² brightness
  • Touchscreen Options:
    • ASTGEK028RGD: 4-wire industrial resistive touchscreen (4H surface hardness)
    • ASTGEK028NGD: Non-touch version
  • Powerful Processing: 200MHz ARM Cortex-M4F CPU
  • Reliable Storage: 8MB SPI NOR Flash
  • SD Card Download: Easy program updates via SD card
  • RS485 Serial Communication: Supports baud rate range from 1200 to 230400
  • Industrial Durability:
    • Operating temperature: -10℃ to 50℃
    • Storage temperature: -30℃ to 70℃
    • Humidity tolerance: 10% ~ 90% RH (non-condensing)
    • Vibration resistance: 10-25Hz (X, Y, Z axis, 2g/30 minutes)
  • Power Protection:
    • Wide Voltage Range: DC 5-30V with reverse polarity protection
  • Compact & Lightweight: 122mm × 88mm × 25mm, 40g

Applications

Ideal for industrial control systems, embedded applications, automation interfaces, and smart devices, providing a rugged and efficient touchscreen display solution.

Hardware Performance

ItemSpecification
ModelASTGEK028RGD / ASTGEK028NGD
Display2.8″ TFT LCD
Colors65,536 colors
Resolution (Px)320 × 240
Brightness250 cd/m²
BacklightLED
LED Lifetime20,000 hours
TouchscreenASTGEK028RGD: 4-wire industrial resistive touchscreen (surface hardness: 4H)
CPU200MHz ARM Cortex-M4F
Memory8MB SPI NOR Flash
RTCBuilt-in real-time clock
BuzzerYes
Power Failure Data RetentionNot supported
USB PortNot available
Program Download MethodSD Card Download
USB DriveNot supported
Communication PortRS485 Serial Communication

Electrical Specifications

ItemSpecification
Rated Power0.8W
Voltage RangeDC 5-30V (reverse polarity protection, distinguish between power positive and negative)

Environmental Specifications

ItemSpecification
Operating Temperature-10℃ ~ 50℃
Storage Temperature-30℃ ~ 70℃
Humidity10 ~ 90% RH (non-condensing)
Vibration Resistance10-25Hz (X, Y, Z axis, 2g/30 minutes)
Cooling MethodNatural air cooling

Mechanical Specifications

ItemSpecification
Overall Dimensions122 × 88 × 25mm
Active Display Area57.6 × 43.2mm
Mounting Hole Size108 × 74mm
Recommended Mounting Hole Size110 × 76mm
Net Weight40g

Additional Information

ItemSpecification
Baud Rate Range1200 – 230400

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