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2.8 Inch 240x320 TN TFT LCD Display 30pin Interface 250nit - China Suppliers & Factory Direct Supply
Product Description
H028HQ30E2542 is a 2.8-inch TFT LCD module adopting a TN panel. It features a working temperature range of -20℃ to +70℃, a resolution of 240×320, an MCU 16-bit 30-pin interface, and an ST7789V Driver IC with 250 nits brightness.
- 2.8" TN Panel
- 240×320 Resolution
- MCU 16-bit 30-pin
- ST7789V Driver IC
- 250 cd/m² Brightness
- -20℃ ~ +70℃ Operating Temp
This 2.8-inch TFT LCD screen is widely applied across multiple industries:
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Medical & Health Monitoring
Portable electrocardiographs, blood glucose meters, blood pressure monitors — clearly displaying physiological data.
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Consumer Electronics & Education
Portable game consoles, children's learning machines, reading pens, smart story machines — presenting animations, courseware or interactive content.
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Other Fields
Suitable for a wide range of embedded display applications requiring compact, reliable TFT LCD modules.
Mechanical Drawing
Specification Parameters
| Feature | Spec |
|---|---|
| Model Name | H028HQ30E2542 |
| LCD Size | 2.8 inch |
| Display Format | 240 × 320 |
| Interface | 16-bit MCU 30pin |
| Luminance | 250 cd/m² |
| Touch Screen | None, optional |
| Viewing Direction | 12 O'clock |
| Color Depth | 65K |
| Driver IC | ST7789V |
| LCM (W × H × D) (mm) | 51.80 × 82.54 × 3.25 |
| Active Area (mm) | 43.2 × 57.6 |
| Operating Temperature | -20℃ ~ +70℃ |
| Storage Temperature | -30℃ ~ +80℃ |
| Operating Voltage | 3.1V |
Interface Definition
| PIN NO | PIN NAME | DESCRIPTION |
|---|---|---|
| 1 | LEDK1-4 | Power for LED backlight (Cathode) |
| 2 | LEDA | LED backlight anode |
| 3 | GND | Ground |
| 4 | RESET | Reset signal input terminal, active at 'L' |
| 5 | DB15 | DATA BUS |
| 6 | DB14 | DATA BUS |
| 7 | DB13 | DATA BUS |
| 8 | DB12 | DATA BUS |
| 9 | DB11 | DATA BUS |
| 10 | DB10 | DATA BUS |
| 11 | DB9 | DATA BUS |
| 12 | DB8 | DATA BUS |
| 13 | DB7 | DATA BUS |
| 14 | DB6 | DATA BUS |
| 15 | DB5 | DATA BUS |
| 16 | DB4 | DATA BUS |
| 17 | DB3 | DATA BUS |
| 18 | DB2 | DATA BUS |
| 19 | DB1 | DATA BUS |
| 20 | DB0 | DATA BUS |
| 21 | RD | Read signal |
| 22 | WR | Write signal |
| 23 | RS | This pin is used to select "Data or Command" |
| 24 | CS | Chip select |
| 25 | NC | No connect |
| 26 | NC | No connect |
| 27 | NC | No connect |
| 28 | NC | No connect |
| 29 | GND | Ground |
| 30 | VCC | Power supply |
Frequently Asked Questions
Q
What is the resolution of the H028HQ30E2542 TFT LCD module?
The H028HQ30E2542 has a resolution of 240×320 pixels, with a 65K color depth, making it suitable for clear and vivid display of text, graphics, and data.
Q
Which Driver IC does this 2.8-inch TFT LCD use?
This module uses the ST7789V Driver IC, a widely supported and well-documented LCD controller that is compatible with a broad range of microcontrollers and development platforms.
Q
Does the H028HQ30E2542 support touch screen functionality?
The standard version does not include a touch screen. However, touch screen functionality is listed as optional, so please contact us if you require a touch-enabled version for your application.
Q
What is the operating temperature range of this LCD module?
The H028HQ30E2542 supports an operating temperature range of -20℃ to +70℃ and a storage temperature range of -30℃ to +80℃, making it suitable for use in both indoor consumer electronics and industrial or outdoor environments.
Q
What interface type does this module use, and how many pins does it have?
This module uses a 16-bit MCU parallel interface with 30 pins. The pin definitions include data bus lines (DB0–DB15), control signals (RD, WR, RS, CS, RESET), power pins (VCC, GND), and LED backlight pins (LEDA, LEDK1-4).
Q
What are the typical applications for the H028HQ30E2542 LCD module?
This 2.8-inch TFT LCD module is commonly used in medical and health monitoring devices (such as portable ECG monitors, blood glucose meters, and blood pressure monitors), as well as consumer electronics and educational products including portable game consoles, children's learning machines, reading pens, and smart story machines.