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lcd35raspberrytouch
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Ecran display 3.5" LCD cu touch screen pentru Raspberry PI2 PI3 model b / b+
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Ecran display 3.5" cu touch screen pentru Raspberry PI2 PI3 model b / b+ cu rezolutie de 480x320 pixeli și touchscreen.
| LCD Type | TFT |
|---|---|
| LCD Interface | SPI |
| Touch Screen Type | Resistive |
| Touch Screen Controller | XPT2046 |
| Colors | 65536 |
| Backlight | LED |
| Resolution | 320*480 (Pixel) |
| Aspect Ratio | 2:3 |
| 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 |
Pentru a instala LCD-ul descarcați scriptul de instalare și dați următoarele comenzi:
chmod +x setup.sh
sudo ./setup.sh
Pentru a activa touchscreen-ul verificați ca in /boot/config.txt să fie scris "dtparam=spi=on" și adăugați linia următoare:
dtoverlay=ads7846,cs=1,penirq=17,speed=500000,swapxy=0,pmax=255,xohms=100,xmin=200,xmax=3900,ymin=200,ymax=3900,keep_vref_on=1
SURSA EXTERNA: https://github.com/notro/fbtft/wiki
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