2.8 Inch SPI TFT LCD Screen Display Module (240 * 320 Resolution, ILI9341 Driver, Non-Touch)

Bring rich, full-color graphical user interfaces to your microcontroller projects with the 2.8 Inch SPI TFT LCD Screen Display Module. Featuring a sharp $240 imes 320$ QVGA pixel resolution capable of displaying up to $65,536$ vivid RGB colors ( $16 ext{-bit}$ color depth), this non-touch display is driven by the industry-standard ILI9341 controller IC. Communicating via a high-speed 4-wire Serial Peripheral Interface (SPI), it minimizes required GPIO pins while maintaining fast refresh rates. The module includes an onboard low-dropout voltage regulator for $3.3 ext{V}$ and $5.0 ext{V DC}$ operation, an integrated MicroSD card slot for storing bitmap images, and full compatibility with Arduino, ESP32, Raspberry Pi, and STM32 using libraries like TFT_eSPI and Adafruit_ILI9341.

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Tags 2.8 Inch TFT Display Module SPI LCD Display 240x320 ILI9341 TFT Screen Non Touch TFT Display 2.8 SPI Color Display Board Arduino TFT Screen ILI9341 ESP32 SPI Color LCD

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Product Details :

The 2.8 Inch SPI TFT LCD Screen Display Module is a high-resolution, vibrant color graphical display panel designed for embedded electronics and IoT applications where interactive visual output is essential. Operating at a native resolution of $240 imes 320$ pixels, this display panel utilizes Thin-Film Transistor (TFT) liquid crystal technology combined with a bright white LED backlight to deliver sharp text, dynamic charts, and detailed bitmap graphics.

At the core of the module is the popular Texas Instruments/Ilitek ILI9341 display controller. By utilizing a high-speed 4-wire SPI interface ( $CS, DC, SCLK, MOSI$ ), the screen drastically reduces the pin count needed compared to legacy 8-bit or 16-bit parallel displays, making it especially well-suited for pin-constrained boards like Arduino Uno, Nano, ESP8266, and Raspberry Pi Pico. An onboard SPI-connected MicroSD card slot allows developers to store and load large image files, user UI skins, and custom fonts directly onto the screen.

Key Features and Benefits

Sharp $240 imes 320$ Pixel Resolution: Delivers crisp text rendering and color visual interfaces across a generous 2.8-inch viewing area.
$65 ext{K}$ RGB Color Spectrum: Displays full 16-bit color ( $565 ext{ RGB}$ ) depth for vivid GUI elements, icons, and picture rendering.
Efficient 4-Wire SPI Communication: Requires only 4 to 5 microcontroller control pins, saving remaining GPIOs for sensors and actuators.
Integrated MicroSD Card Socket: Built-in SD slot connected via SPI enables rapid loading of full-screen $.BMP$ images and custom graphics.
Broad Operating Voltage ( $3.3 ext{V} - 5.0 ext{V}$ ): Onboard low-dropout regulator allows power input from $+3.3 ext{V}$ or $+5 ext{V DC}$ rails.
Wide Open-Source Ecosystem Support: Fully supported by popular open-source graphic libraries including TFT_eSPI, Adafruit_GFX, and Adafruit_ILI9341.

Technical Specifications

Feature Component	Specification Details
Display Panel Type	TFT LCD Transmissive Matrix
Diagonal Screen Size	2.8 inches
Pixel Resolution	$240 imes 320$ Pixels (QVGA)
Display Color Depth	$65 ext{K}$ Colors (16-bit RGB 565)
Driver IC	ILI9341
Communication Interface	4-Wire Serial Peripheral Interface (SPI)
Operating Input Voltage ( $V_{CC}$ )	$3.3 ext{V DC to } 5.0 ext{V DC}$
Logic Signal Voltage	$3.3 ext{V TTL}$ (Requires resistor dividers / level shifters for $5 ext{V}$ logic)
Backlight Type	Bright White LED ( $LED$ / $BLK$ pin)
Operating Current	$sim 50 ext{ mA to } 80 ext{ mA}$ (Depending on LED backlight intensity)
Touch Screen Capability	Non-Touch (No touch digitizer installed)
Operating Temperature	$-20^circ ext{C to } +70^circ ext{C}$

Pinout & Wiring Guide

1. Pin Definitions:

$VCC$ : Power Input Positive ( $+3.3 ext{V}$ or $+5 ext{V DC}$ )
$GND$ : Power Ground ( $0 ext{V}$ )
$CS$ : LCD Chip Select Signal (Active Low)
$RESET$ ( $RST$ ): LCD Reset Signal (Active Low)
$DC$ ( $RS$ ): Data / Command Control Pin (High = Data, Low = Command)
$SDI$ ( $MOSI$ ): SPI Master Out Slave In (Data Line)
$SCK$ ( $SCLK$ ): SPI Serial Clock Line
$LED$ ( $BLK$ ): Backlight Power Control ( $3.3 ext{V}$ for 100% brightness, or PWM for dimming)
$SDO$ ( $MISO$ ): SPI Master In Slave Out (Optional data return line)
$SD_CS / SD_MOSI / SD_MISO / SD_SCK$ : MicroSD Card Slot SPI Pins

2. Microcontroller Wiring Table (3.3V Logic Boards):

Module Pin	ESP32	Raspberry Pi Pico	Arduino Uno (Requires Level Shifting)
$VCC$	$5 ext{V}$ / $3.3 ext{V}$	$3.3 ext{V (OUT)}$	$5 ext{V}$
$GND$	$GND$	$GND$	$GND$
$CS$	$GPIO15$	$GP17$	Pin $10$ (via $1 ext{k}Omega$ resistor)
$RESET$	$GPIO4$	$GP20$	Pin $9$ (via $1 ext{k}Omega$ resistor)
$DC$	$GPIO2$	$GP21$	Pin $8$ (via $1 ext{k}Omega$ resistor)
$SDI (MOSI)$	$GPIO23$	$GP19$	Pin $11$ (via $1 ext{k}Omega$ resistor)
$SCK$	$GPIO18$	$GP18$	Pin $13$ (via $1 ext{k}Omega$ resistor)
$LED$	$3.3 ext{V}$	$3.3 ext{V}$	$3.3 ext{V}$

LOGIC LEVEL WARNING: While the $VCC$ pin can accept $5 ext{V}$ thanks to the onboard regulator, the ILI9341 signal lines ( $CS, DC, SCK, SDI$ ) operate strictly on $3.3 ext{V}$ logic levels. Connecting these pins directly to $5 ext{V}$ logic microcontrollers (such as Arduino Uno / Mega) without series inline resistors ( $1 ext{k}Omega$ ) or logic level shifters can cause permanent chip damage or severe display glitches.

Applications

IoT Weather Stations: Displaying real-time temperature gauge graphs, humidity metrics, and forecast icons.
Portable Instrumentation: Compact oscilloscopes, battery discharge analyzers, and signal generator interfaces.
Medical & Environmental Diagnostics: Air quality index monitors ( $PM2.5 / CO_2$ ) and heart rate pulse displays.
DIY Gaming Systems: Building retro handheld mini consoles with microcontrollers like ESP32 or Raspberry Pi Pico.