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2.8 Inch HMI TFT LCD Touch Screen Module BM32D4021-1

US$12.50

In stock

Quantity

-9 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

Operating voltage: 3.3V~5.5V
Operating current: 100mA @5V
Standby current: 300μA
2.8” TFT LCD
- Resolution: 240 x 320
- Color: 64K 65536 (RGB565)
- Touch screen: resistance type
Flash ROM: 16MB
SRAM: 224KB
Provides user interface editing software (host computer software)
Update method:
- Offline update: MicroSD card
- Online update: interface editing software (through USART interface)
Operating temperature: -25°C~85°C
Interface: USART (self-definable baud rate)
⬥ Refers to the ‘Instruction Description’ in the datasheet
Dimension: 77.2 x 51 x 11 mm
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