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Home 2.8 Inch HMI TFT LCD Touch Screen Module BM32D4021-1
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2.8 Inch HMI TFT LCD Touch Screen Module BM32D4021-1

US$12.50
In stock
Quantity
22 pieces
Product ID
BM32D4021-1

The product is a 2.8-inch, 64K color TFT LCD touch display module, paired with user interface editing software (host computer software) to form a Human Machine Interface (HMI) solution. It has a built-in 32-bit MCU with 16MB Flash and supports USART interface. Users can easily update the display content using a memory card or through the USART interface without the need for complex wiring.
The user interface editing software includes a wide range of components such as buttons, text, images, sliders, radio button, and more, making graphical user interface design easier and more versatile.

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PRODUCT FEATURES
  1. Operating voltage: 3.3V~5.5V
  2. Operating current: 100mA @5V
  3. Standby current: 300μA
  4. 2.8” TFT LCD
    - Resolution: 240 x 320
    - Color: 64K 65536 (RGB565)
    - Touch screen: resistance type
  5. Flash ROM: 16MB
  6. SRAM: 224KB
  7. Provides user interface editing software (host computer software)
  8. Update method:
    - Offline update: MicroSD card
    - Online update: interface editing software (through USART interface)
  9. Operating temperature: -25°C~85°C
  10. Interface: USART (self-definable baud rate)
    ⬥ Refers to the ‘Instruction Description’ in the datasheet
  11. Dimension: 77.2 x 51 x 11 mm
  12. Net weight: 38g
HARDWARE OVERVIEW
PIN DESCRIPTION

Pin Pin name Function
1 RX USART: RX
2 TX USART: TX
3 VDD Power supply: 3.3V~5.5V
4 GND Ground
5 WAKEUP Wake-up button pin
6 3.3V Supply 3.3V power for Wake-up button
Pin 5 and Pin 6 are used to connect an external button to wake up the product from standby mode.
COMPARISON
BM32D4021-1 BMD58T280
IC 32-bit MCU HT32F49395 ILI9341, XPT2046
Operating Voltage 3.3V~5.5V 3.3V~5.5V
Standby Current 300μA <120mA
Screen size 2.8 inch 2.8 inch
Color 64K 65536 (RGB565) ―
Touch Screen Resistance type Resistance type
Resolution 240 × 320 240 × 320
Flash ROM 16MB ―
Serial Port Buffer 256 Bytes ―
MicroSD Slot O O
Update Method Offline: MicroSD card
Online: through software (USART) 		Offline: MicroSD card
Interface USART SPI/EBI
Editing Software O X
RESOURCES
  1. MCU: Holtek HT32F49395, 32-Bit Arm® Cortex®-M4 MCU, including datasheet, package information, etc.
Datasheet V1.00 (1.75 MB)
User Interface Editing Software (4.98 MB)
Example program (7.06 kB)
Demo code (549.64 kB)
Youtube
More Information
HS Code (reference) 8531.20.00.19-7
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