2.4 tft lcd ili9341 brands
Add some jazz & pizzazz to your project with a color touchscreen LCD. This TFT display is 2.4″ diagonal with a bright (4 white-LED) backlight and it"s colorful! 240×320 pixels with individual RGB pixel control, this has way more resolution than a black and white 128×64 display.
If you need a larger touchscreen, check out the 2.8″ diagonal or 3.5″ diagonal TFT breakouts. For a smaller display, see our non-touch 2.2″ or 1.8″ or 1.44″ diagonal TFTs
The shield connects ILI9341"s data pins 0-7 to Arduino digital pins 2-8 (allowing parallel communication, not SPI). ILI"s RESET goes to pin to Arduino analog pin A4.CS (chip select) to A3. RS (CD command/data) to A2. WR and RD to A1 and A0.
ILI9341 is integrated inside the display. It drives the display and has nothing to do with touchscreen (Although the shield connects some pins of ILI9341 together with pins of the touchscreen).
To read a byte from ILI after sending a read command (e.g. 09h - Read Display Status) set RD from HIGH to LOW, so ILI9341 outputs data until RD returns HIGH. (see code)
The touch screen is attached on the surface of the display. It connects through 4 wires, which share arduino pins 8, 9, A2, A3 with ILI. So you can"t write to LCD display and read the touch screen in the same time.
Then we need to read a position of a touch. So we set one of the X wires to HIGH (which one depends on on which side of touch screen we want to read min/max value; see variant A/B in the code) and we read analog value on Y. The value should be in the range 0-1023, but touchscreen I tested returns 110-910 (So it need to be calibrated - run ILI9341_7.ino). Then we apply LOW-HIGH on Y layer and read analog value on X.
Features:2.4" diagonal LCD TFT Touch Panel displayBright, 4 white-LED backlight, on by default but you can connect the transistor to a digital pin for backlight controlColorful, 18-bit 262,000 different shades4-wire resistive touchscreen8 bit digital interface, plus 4 control linesUses digital pins 5-13 and analog 0-3. That means you can use digital pins 2, 3 and analog 4 and 5. Pin 12 is available if not using the micro SD5V compatible, use with 3.3V or 5V logicFor Arduino UNO R3 MEGA2560
Add some jazz & pizzazz to your project with a color touchscreen LCD. This TFT display is 2.4" diagonal with a bright (4 white-LED) backlight and it"s colorful! 240x320 pixels with individual RGB pixel control, this has way more resolution than a black and white 128x64 display.
If you need a larger touchscreen, check out the 2.8" diagonal or 3.5" diagonal TFT breakouts. For a smaller display, see our non-touch 2.2" or 1.8" or 1.44" diagonalTFTs
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tft lcd ili9341 (Liquid crystal display) are made of liquid crystals that form digital images made visible through ambient light or through LED backlight. LCDs are used in the place of other displays that are less efficient such as cathode ray tubes (CRTs) and have become the most popular display type on the market.
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This shield with graphic LCD 2.4 "" touchscreen is perfect for your projects. It has a resolution of 320x240 pixels. Shield contains a resistive touchscreen type. It contains a slot for SD cards that can load images in .bmp format to display them on display. Specifications 320 x 240 resolution Based on SPFD5408 controller (compatible with ILI9341) 8-bit digital interface control + 4 lines LDO voltage regulator 3.3 V Integrated Compatible with 5V microcontrollers and 3.3 V 18-bit color (up to 262,000 colors supported) SD card slot 4-wire resistive touchscreen