CrowPanel ESP32 HMI 2.8-inch Display¶

Description¶

Elecrow ESP32 2.8-inch display is a powerful HMI touch screen with a 240*320 resolution LCD display. It uses the ESP32-WROOM-32 module as the main control processor, with a dual-core 32-bit LX6 microprocessor, integrated WiFi and Bluetooth wireless functions, a main frequency of up to 240MHz, providing powerful performance and versatile applications, suitable for IoT application devices and other scenes.

The module includes a 2.8-inch LCD display and a driver board. The display screen uses resistive touch technology and comes with a resistive touch pen, making the screen usage more flexible. In addition, the board has reserved a TF card slot, multiple peripheral interfaces, USB interface, speaker interface, battery interface, etc., providing more expansion possibilities. It supports development environments such as Arduino IDE, Espressif IDF, Lua RTOS, and Micro Python, and is compatible with the LVGL graphics library. This enables developers to not only customize their own UI interfaces but also to create interesting projects quickly and easily, greatly shortening the development cycle.

The ESP32 2.8-inch display is suitable for a wide range of scenes such as automotive HMI, medical equipment, industrial control, power, civil electronics, automation, GPS, new energy, and IoT application devices. Its various interfaces and expansion functions make it able to meet the needs of different fields, providing users with a more comprehensive solution.

Model: DIS04028H

Updated Record¶

Please click on the "UPDATED RECORD" below to check the updated details in text.

Please watch below to check the updated explanation.

Feature¶

• Integrated ESP32-WROOM-32 module, built-in wireless communication 2.4 GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5.0;
• Support development environment Arduino IDE, Espressif IDF, Lua RTOS, Micro python and compatible with LVGL graphics library;
• Built-in LVGL demo interface and Arduino example, plug and play;
• LCD 240*320 2.8 inches TFT-LCD with driver IC ILI9341V;
• Rich peripheral interfaces and expansion functions enable it to meet the needs of different fields.

Specification¶

• Model: 2.8 inches ESP32 display
• Main Processor: ESP32-WROOM-32-N4
• Resolution: 240*320
• ColorDepth: 262K
• Touch Type: Resistive Touch Screen
• Touch Panel: TN Panel
• Screen: TFT-LCD Screen
• Display driver: ILI9341V
• Interface: 1xTF Card Slot, 1x I2C, 1x GPIO, 1xSpeak, 1x UART1, 1xUART0
• Button: BOOT Button and Reset Button
• Active Area: 85.8mmx54mm(WxH)

Pin Out¶

Schematic Diagram¶

ESP32-WROOM-32 and TFT display wiring pins

Schematic Diagram:

ESP32-WROOM-32 and touch driver wiring

Schematic Diagram:

Definition in the User_Setup.h file of the TFT_eSPI library:

#define ILI9341_DRIVER       // Generic driver for common displays

#define TFT_WIDTH  240
#define TFT_HEIGHT 320

#define TFT_BL   27            // LED back-light control pin

#define TFT_MISO 12
#define TFT_MOSI 13 // In some display driver board, it might be written as "SDA" and so on.
#define TFT_SCLK 14
#define TFT_CS   15  // Chip select control pin
#define TFT_DC   2  // Data Command control pin
#define TFT_RST  -1  // Reset pin (could connect to Arduino RESET pin)
#define TFT_BL   27  // LED back-light

#define TOUCH_CS 33     // Chip select pin (T_CS) of touch screen

Platforms Supported¶

Arduino IDE	SquareLine Studio	PlatformIO	Home Assisstant

ESPHome	MicroPython	ESP-IDF

Resources¶

Schematic & PCB¶

• 2.8-SCH&PCB

Specifications¶

• ESP32-WROOM-32
  
• 2.8-LCD Specification
  
• Touch Drive

Certification¶

• ESP32-WROOM-32_Wi-Fi_Certificate
• ESP32-WROOM-32_NCC_Certificate
• ESP32-WROOM-32_IC_Certificate
• ESP32-WROOM-32_MIC_Certificate

Demo Code¶

Arduino IDE¶

• Factory Sample Code
• Get Started with Arduino IDE Tutorial Code

PlatformIO¶

• PlatformIO_28.zip

ESPHome¶

• HomeAssistant-esphome_28.zip

MicroPython¶

• ESP32-2.8-MicroPython-Code.zip

ESP-IDF¶

• ESP-IDF_2.8.zip

Video Lessons¶

• Video Lessons Code¶