3.5″ TFT LCD Display | 320×480 Touchscreen | ARM Cortex-M4F
Industrial 3.5-inch TFT LCD display with 320×480 resolution, ARM Cortex-M4F CPU, RS485/RS232/TTL communication, TF card download, and resistive touchscreen.
3.5″ TFT LCD Touchscreen Display Module ASTG035W023 | Industrial-Grade HMI Display
Overview
The ASTG035W023 is a 3.5-inch TFT LCD touchscreen display module designed for industrial and embedded applications. Featuring a 320×480 resolution, 65,536 colors, and 250 cd/m² brightness, it ensures sharp and clear visuals. The 4-wire industrial resistive touchscreen (surface hardness: 4H) provides precise control, making it ideal for industrial environments. Powered by a 200MHz ARM Cortex-M4F processor with 2MB onboard PSRAM, this module delivers efficient processing and stable performance.
Key Features
- High-Quality Display: 3.5-inch TFT LCD, 320×480 resolution, 250 cd/m² brightness
- Durable Touchscreen: 4-wire resistive touchscreen with 4H surface hardness
- Powerful Processing: 200MHz ARM Cortex-M4F CPU with 2MB PSRAM
- Reliable Storage: 2MB onboard + 8MB external SPI NOR Flash
- Versatile Communication Interfaces:
- TTL serial communication (ASTG035W023-B-L320X480R-0T0C-T)
- RS485 communication (ASTG035W023-B-L320X480R-1D0C-T)
- RS232 communication (ASTG035W023-B-L320X480R-1E0C-T)
- TF Card Download: Supports firmware and UI updates via TF card
- Built-in RTC: Real-time clock support for time-sensitive applications
- Buzzer Support: Audible alerts for industrial applications
- 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:
- TTL Version: 5V DC input
- RS485/RS232 Versions: 5-30V DC input with reverse polarity protection
- Compact & Lightweight: 115mm × 71mm × 25mm, 110g
- Screen Capacity: Supports up to 50 screens, with each screen accommodating up to 50 widgets
Applications
Ideal for industrial control systems, embedded applications, automation interfaces, and smart devices, providing a durable and efficient touchscreen display solution.
Hardware Performance
| Item | Specification |
|---|---|
| Model Series | ASTG035W023-B-L320X480R-0T0C-T ASTG035W023-B-L320X480R-1D0C-T ASTG035W023-B-L320X480R-1E0C-T |
| Display | 3.5″ TFT LCD |
| Resolution (Px) | 320 × 480 |
| Colors | 65,536 colors |
| Brightness | 250 cd/m² |
| Backlight | LED (adjustable backlight) |
| LED Lifetime | 20,000 hours |
| Touchscreen | 4-wire industrial resistive touchscreen (surface hardness: 4H) |
| CPU | 200MHz ARM Cortex-M4F with built-in 2MB PSRAM |
| Memory | 2MB onboard SPI NOR Flash; 8MB external SPI NOR Flash |
| RTC | Built-in real-time clock |
| Buzzer | Supported |
| Power Failure Data Retention | Auto-save within 3 seconds |
| USB Port | Not available |
| Program Download Method | TF Card Download |
| USB Drive | Not supported |
| Communication Ports | ASTG035W023-B-L320X480R-0T0C-T: Serial port – TTL Communication ASTG035W023-B-L320X480R-1D0C-T: Serial port – RS485 Communication ASTG035W023-B-L320X480R-1E0C-T: Serial port – RS232 Communication |
| Connector Specification | 5Pin PH2.0mm terminal |
Electrical Specifications
| Item | Specification |
|---|---|
| Rated Power | Max 1W |
| Voltage Range | TTL Communication: DC 5V RS485/RS232 Communication: DC 5-30V |
Environmental Specifications
| Item | Specification |
|---|---|
| Operating Temperature | -10℃ ~ 50℃ |
| Storage Temperature | -30℃ ~ 70℃ |
| Humidity | 10 ~ 90% RH (non-condensing) |
| Vibration Resistance | 10-25Hz (X, Y, Z axis, 2g/30 minutes) |
| Cooling Method | Natural air cooling |
Mechanical Specifications
| Item | Specification |
|---|---|
| Overall Dimensions | 115 × 71 × 25mm |
| Active Display Area | 73.44 × 48.96mm |
| Mounting Hole Size | 107 × 65mm |
| Recommended Mounting Hole Size | 109 × 67mm |
| Net Weight | 110g |
Additional Information
| Item | Specification |
|---|---|
| Screen Capacity | Supports up to 50 screens (each screen supports up to 50 widgets) |