Product description: Waveshare B touch screen - resistance LCD TFT 3.2'' 320x240px GPIO for Raspberry Pi 4B/3B+/3B/Zero
Touch screen, 3.2" resistive for Raspberry Pi with 320 x 240 px resolution. Works with the RaspberryPi in 4B, 3B_ 3B, 2, B+, Zero and Zero W versionsvia GPIO pins - as a minicomputer cap. A stylus for operating the screen is also included.
The device communicates via GPIO pins - as an overlay to the minicomputer.
Example of connecting a screen with Raspberry Pi.
Connection with Raspberry Pi
To start the screen, put the screen on the GPIO Raspberry Pi pins.
Screen software
The manufacturer has prepared an operating system with the drivers installed. The system should be unpacked by an appropriate program, e.g. WinZip, and uploaded to the card usingWin32 Disk Imager.
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Detailed description of connecting and installing the drivers without changing the Raspberry Pi system and a picture of the finished system can be found onthe manufacturer's website. |
A screenshot ofWin32 Disk Imager, after selecting the system, just click Write button and wait for the installation process to be completed.
GPIO interface
| Pin GPIO | Symbol | Description |
|---|---|---|
| 1, 17 | 3,3V | Power supply 3.3 V. |
| 2, 4 | 5V | 5 V power supply. |
| 3, 5, 7, 8, 10, 22 | NC | Not connected. |
| 6, 9, 14, 20, 25 | GND | The weight. |
| 11 | TP_IRQ | Break from the touch panel. |
| 12 | KEY1 | The key. |
| 13 | RST | Reset. |
| 15 | LCD_RS | Selection: commands or data for the LCD panel. |
| 16 | KEY2 | The key. |
| 18 | KEY3 | The key. |
| 19 |
LCD_SI/ TP_SPI |
SPI interface data input for touch panel and LCD screen. |
| 21 | TP_SO | SPI interface data output for the touch panel. |
| 23 |
LCD_SCK/ TP_SCK |
SPI clock signal for touch panel and LCD screen. |
| 24 | LCD_CS | Chip select for LCD screen. |
| 26 | TP_CS | Chip select for the touch panel. |
External dimensions of the screen.
Waveshare touch screen specifications
- Type: touch screen, resistive
- Diagonal: 3.2 "
- Resolution: 320 x 240 px
- He works with:Raspberry Piin wesji 3, 2, B+, Zero and Zero W (works directly withthe systemfrom the manufacturer)
- Also works with all HDMI devices (touch is not available)
- Screen dimensions: 85 x 56.5 mm
The set includes
- 3.2" touch screen, resistive
- Mounting screws
- Stylus
