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کد انبار
LCD-01-108

Features
320x240 hardware resolution
Resistive touch control
Supports any revision of Raspberry Pi (directly-pluggable)
Drivers provided (works with your own Raspbian/Ubuntu/Kali)
Supports FBCP software driver as well, allows to config software resolution and set up dual-display
Size perfectly fits the Pi (Raspberry Pi B+/2B/3B/3B+/4B)
4 user keys
High quality immersion gold surface plating
Combined with the Raspberry Pi, allows you to:
Take photos by touching (up to 17 camera modes)
Use software keyboard (system interaction without keyboard/mouse)
2.8inch RPi LCD (A) and 3.2inch RPi LCD (B) are compatible with each other (the only differences are screen size and keys count), and can be mutually substituted in most cases.

Key Parameters
LCD Type: TFT
LCD Interface: SPI
Touch Screen Type: Resistive
Touch Screen Controller: XPT2046
Colors: 65536
Backlight LED
Resolution: 320*240 (Pixel)
Aspect Ratio: 4:3
Power Consumption: TBD
Backlight Current: TBD
Operating Temp. (℃): TBD


Interface
PIN NO. SYMBOL DESCRIPTION
1, 17 3.3V Power positive (3.3V power input)
2, 4 5V Power positive (5V power input)
3, 5, 7, 8, 10 NC NC
6, 9, 14, 20, 25 GND Ground
11 TP_IRQ Touch Panel interrupt, low level while the Touch Panel detects touching
12 KEY1 Key
13 RST Reset
15 LCD_RS LCD instruction control, Instruction/Data Register selection
16 KEY2 Key
18 KEY3 Key
19 LCD_SI / TP_SI SPI data input of LCD/Touch Panel
21 TP_SO SPI data output of Touch Panel
22 KEY4 Key
23 LCD_SCK / TP_SCK SPI clock of LCD/Touch Panel
24 LCD_CS LCD chip selection, low active
26 TP_CS Touch Panel chip selection, low active

Development Resources
Wiki : www.waveshare.com/wiki/2.8inch_RPi_LCD_(A)

FAQ
Why the LCD doesn't work with my Raspbian?
To use the LCD with the Raspberry Pi official image, driver should be installed first. Please refer to the user manual.
However, for the first testing, you may want to use our provided image directly.
Why the LCD still doesn't work with the Waveshare provided image?
Make sure the hardware connection is correct and connects fine.
Make sure the image in TF card is burnt correctly.
The PWR will keep on and the ACT will keep blinking when the Raspberry Pi starts up successfully, in case both of the two LEDs keep on, it is possible that the image was burnt incorrectly OR the TF card was in bad contact.
Which power supply should I use?
It is recommended to use a 5V/3A power adapter for the Raspberry Pi other than USB connection, otherwise the Pi may failed to start up because the PC's USB port might have not enough power.
For large size LCDs, say, 10inch diagonal or more, another stand-alone power adapter is also required to provide power to the LCD.

 

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