3.5inch RPi LCD (A) and 3.5inch RPi LCD (B) are hardware compatible with each other (uses different driver), and can be mutually substituted in most cases. (A) for low cost ver. while (B) for IPS ver. with better displaying.
LCD Type | TFT |
---|---|
LCD Interface | SPI |
Touch Screen Type | Resistive |
Touch Screen Controller | XPT2046 |
Colors | 65536 |
Backlight | LED |
Resolution | 320*480 (Pixel) |
Aspect Ratio | 8:5 |
Power Consumption | TBD |
Backlight Current | TBD |
Operating Temp. (℃) | TBD |
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, 12, 13, 15, 16 | NC | NC |
6, 9, 14, 20, 25 | GND | Ground |
11 | TP_IRQ | Touch Panel interrupt, low level while the Touch Panel detects touching |
18 | LCD_RS | Instruction/Data Register selection |
19 | LCD_SI / TP_SI | SPI data input of LCD/Touch Panel |
21 | TP_SO | SPI data output of Touch Panel |
22 | RST | Reset |
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 |
Wiki : www.waveshare.com/wiki/3.5inch_RPi_LCD_(A)
For more info, please check the wiki page.
CAUTION: This product is protected by patent, anyone making copies/knock-offs SHOULD be held liable pursuant to law.
Since the first-generation Raspberry Pi released, Waveshare has been working on designing, developing, and producing various fantastic touch LCDs for the Pi. Unfortunately, there are quite a few pirated/knock-off products in the market. They're usually some poor copies of our early hardware revisions, and comes with none support service.
To avoid becoming a victim of pirated products, please pay attention to the following features when purchasing:
(Click to enlarge)