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2.8 Inch 240x320 TN TFT LCD Display - 30pin Interface, 250nit Brightness | China Suppliers & Factory
Product Description
H028HQ30E2542 is a 2.8-inch TFT LCD module. This LCD screen adopts TN panel, with 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. 250 nits brightness. This 2.8-inch TFT LCD screen is mainly applied in medical and health monitoring devices, such as portable electrocardiographs, blood glucose meters, blood pressure monitors, etc., to clearly display physiological data. Consumer electronics and educational products: covering portable game consoles, children's learning machines, reading pens, smart story machines, etc., used for presenting animations, courseware or interactive content. And other fields.
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 x H x 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” in |
| 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 (FAQ)
What is the resolution of the H028HQ30E2542 LCD module?
The resolution of this 2.8-inch TFT LCD screen is 240×320 pixels.
What is the operating temperature range for this display?
The module features a reliable working temperature range from -20℃ to +70℃.
Which Driver IC does this 2.8-inch TFT LCD use?
This LCD module is equipped with the ST7789V Driver IC.
What are the main applications for this LCD screen?
It is widely used in medical and health monitoring devices (such as portable electrocardiographs and blood glucose meters), as well as consumer electronics and educational products like smart story machines and portable game consoles.
Does this module include a touch screen?
By default, it does not come with a touch screen, but a touch panel can be added as an optional feature.
What type of interface is integrated into this module?
The display utilizes a standard 16-bit MCU 30-pin interface for data communication.