Touch LCD Shield
Introduction
This is a multifunctional Arduino/Arduino Mega compatible resistive touch screen. It can be used as display device or sketch pad. With a SD card module integrated also on this shield, this shield reserves great room for other expansions to your project.
Features
- Big screen for easy and comfortable experience
- Backlight controllable via programming
- 65535 rich colors display
- SPI pin-saving communication method
- Full screen touch active range
Specification
| Item | Min | Typical | Max | Unit |
|---|---|---|---|---|
| Voltage | 4.5 | 5 | 5.5 | VDC |
| Current | / | / | 250 | mA |
| LCD Panel Size | 2.8 | inch | ||
| View angle | 60~120 | Deg | ||
| Resolution | 320x240 | / | ||
| LCD color | 65k | / | ||
| Backlight Type | LED | / | ||
| LCD driver IC | ILI9341 | / | ||
| Interface Type | SPI | / | ||
| Touch Screen | 4-Wire resistive touch screen | / | ||
| Active area | 43.2*57.3 | mm | ||
| ESD contact discharge | ±4 | KV | ||
| ESD air discharge | ±8 | KV | ||
| Dimension | 72.5x54.7x18 | mm | ||
| Weight | 24±2 | g | ||
Cautions
- Don’t press too hard on the screen which might cause display distortion.
- Be careful to deposit the fragile screen.
Pins usage on Arduino
Pins Used for TFT Screen Control:
D4: TF_CS, SD card select input pin
D5: TFT_CS, TFT chip select input pin
D6: TFT_D/C, TFT Data/Command control pin
D7: BACKLIGHT, TFT backlight control pin
Pins Used for SPI Interface:
D10: SPI chip select
D11: SPI MOSI pin
D12: SPI MISO pin
D13: SPI serial clock pin
Pins Used for Touch Function:
A0 - Touch Screen Y- input pin.
A1 - Touch Screen X- input pin.
A2 - Touch Screen Y+ input pin.
A3 - Touch Screen X+ input pin.
