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2.8 Inch 240x320 TN TFT LCD Display - 30pin MCU 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.
- 2.8" TFT TN Panel
- 240×320 Resolution
- MCU 16-bit 30-pin
- ST7789V Driver IC
- 250 nits Brightness
- -20℃ ~ +70℃ Operating Temp
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?
A
The H028HQ30E2542 features a resolution of 240×320 pixels, making it suitable for displaying clear text, icons, and graphical data in compact embedded applications.
Q
Which driver IC does the H028HQ30E2542 use, and is it widely supported?
A
This module uses the ST7789V driver IC, which is widely supported by popular microcontrollers and development platforms including Arduino, STM32, and ESP32, with abundant community libraries and documentation available.
Q
What interface does the H028HQ30E2542 use to connect to a microcontroller?
A
The module uses a 16-bit MCU parallel interface with a 30-pin connector. This includes 16 data bus lines (DB0–DB15) along with control signals such as CS, RS, WR, RD, and RESET for full parallel communication.
Q
What are the operating temperature limits for this LCD module?
A
The H028HQ30E2542 supports an operating temperature range of -20℃ to +70℃, and a storage temperature range of -30℃ to +80℃, making it suitable for both indoor consumer electronics and outdoor or industrial environments.
Q
Does the H028HQ30E2542 support a touch screen?
A
The standard version of the H028HQ30E2542 does not include a touch screen. However, a touch screen option is available upon request, allowing integration of resistive or capacitive touch functionality depending on your application requirements.
Q
What are the typical application fields for the H028HQ30E2542 TFT LCD?
A
This 2.8-inch TFT LCD is commonly used in medical and health monitoring devices (e.g., blood glucose meters, blood pressure monitors, portable ECG devices), as well as consumer electronics and educational products such as portable game consoles, children's learning machines, reading pens, and smart story machines.