1. Introduction
This LCD module uses the ESP32-WROOM-32 module as its main control unit. The main control is a dual-core MCU, integrating Wi-Fi and Bluetooth functionalities. It operates at a main frequency of up to 240MHz, with 520KB SRAM and 448KB ROM, and a Flash size of 4MB+4MB. The display features a 2.8-inch resistive touchscreen with a resolution of 240x320 pixels. The module includes an LCD display screen, backlight control circuit, touch screen control circuit, speaker drive circuit, photo-sensitive circuit, and RGB-LED control circuit. It also provides a TF-card interface, serial interface, temperature and humidity sensor interface (DHT11 interface), and reserved IO ports. This module supports development in Arduino-IDE, ESP IDE, Micropython, and Mi-xly, making it suitable for a wide range of IoT and embedded projects.
2. Features
- 2.8-inch color screen, supporting 16BIT RGB65K color display for rich visuals.
- 240x320 resolution resistive touchscreen.
- Equipped with ESP32-WROOM-32 module as the main control, featuring a dual-core MCU, integrated WI-FI and Bluetooth.
- Main frequency up to 240MHz, 520KB SRAM, 448KB ROM, 4MB+4MB Flash.
- Includes LCD display screen, backlight control circuit, touch screen control circuit, speaker drive circuit, photo-sensitive circuit, and RGB-LED control circuit.
- Integrated TF-card slot for easy expansion storage.
- Serial interface, temperature and humidity sensor interface (DHT11 interface), and reserved IO ports.
- Supports development in Arduino-IDE, ESP IDE, Micropython, and Mi-xly.
- Pre-programmed with a sample program from the factory for immediate use.
- Provides Arduino library functions and sample programs to facilitate rapid secondary development.
- Supports one-click program download.
- Military-grade process standards ensure long-term stable operation.
3. Specifications
| Parameter | Description |
|---|---|
| Display Color | RGB 65K color |
| Touch Type | Resistive touch (ESP32-2432S028R) |
| Display Size | 2.8 inch |
| Display Type | TFT |
| Driver Chip | ILI9341 |
| Resolution | 320 x 240 (Pixel) |
| Effective Display Area | 43.2 x 57.6 mm |
| Module Size | 50.0 x 86.0 mm |
| Viewing Angle | >60° |
| Operating Temperature | -20°C ~ 70°C |
| Storage Temperature | -30°C ~ 80°C |
| Operating Voltage | 5V |
| Power Consumption | About 90mA |
| Product Weight | About 50g |
| Material | Plastic |
| Is Electric | No Battery |
| Batteries Included | No |
| Recommended Age | 14+ years |
| Use Case | Vehicles & Remote Control Toys (general category) |
4. Package Contents
The ESP32-2432S028R Development Board is available in several configurations. Please verify your specific kit against the list below.
- 1 Set ESP32 Display Module (Kit 1):
- 1x ESP32-2432S028R Development Board with 2.8'' TFT Display
- 1x USB Cable
- 1x Touch Pen (color may vary)
- Jumper Wires
Figure 4.2: Contents of the 1 Set ESP32 Display Module. - 1 Set Acrylic Case (Kit 3):
- Acrylic case parts
- Screws and nuts for assembly
Figure 4.3: Components of the Acrylic Case Kit. - 1 Set ESP32 Display Module + Acrylic Case (Kit 2):
- All items from "1 Set ESP32 Display Module"
- All items from "1 Set Acrylic Case"
5. Product Overview
The following diagrams illustrate the key components and dimensions of the ESP32-2432S028R Development Board.
For detailed circuit information, refer to the schematic diagrams:
6. Setup
6.1. Assembling the Acrylic Case (if applicable)
If your kit includes an acrylic case, follow these steps for assembly:
- Carefully remove all acrylic parts from their packaging.
- Peel off the protective film from both sides of each acrylic piece. This is crucial for clear visibility and proper fit.
- Align the display module with the bottom plate of the case.
- Secure the display module to the case using the provided screws and nuts.
- Attach the top plate of the case, ensuring all cutouts align with the board's ports and components.
6.2. Initial Connection
To power on and connect the development board:
- Connect the provided USB cable to the Type-C or Micro-USB port on the ESP32 board.
- Connect the other end of the USB cable to a computer or a 5V power adapter.
- The board should power on, and the display may show a pre-programmed sample interface.
- For programming, connect the board to your computer via USB. Ensure necessary drivers are installed for your operating system.
7. Operating Instructions
The ESP32-2432S028R Development Board supports various development environments. Detailed programming guides and sample code can be found in the official documentation.
- Development Environments Supported: Arduino-IDE, ESP IDE, Micropython, Mi-xly.
- Programming: Use the USB connection for uploading code. The board supports one-click program download.
- Touchscreen: The resistive touchscreen allows for user interaction. Refer to the programming examples for implementing touch functionality.
- TF-Card: Insert a TF card into the slot for expanded storage. This can be used for storing images, data logs, or firmware updates.
- Extended IO: Utilize the extended IO pins for connecting external sensors, actuators, and other peripherals.
- Wi-Fi & Bluetooth: Leverage the integrated Wi-Fi and Bluetooth capabilities for network connectivity and communication with other devices.
For comprehensive instructions, including setup of development environments and example code, please refer to the official documentation available at: ESP32-2432S028R User Guide (Google Drive)
8. User Tips
- Always refer to the latest official documentation and community forums for up-to-date libraries and examples.
- When working with the acrylic case, ensure all protective films are removed for optimal clarity and fit.
- Start with simple example sketches to familiarize yourself with the display and touch functions before integrating complex features.
- Consider using a dedicated 5V power supply for projects requiring stable power, especially when driving multiple peripherals.
9. Troubleshooting
- Display not turning on:
- Check USB power connection.
- Ensure the correct firmware is loaded.
- Touchscreen unresponsive:
- Verify touch driver initialization in your code.
- Ensure the touch pen is used correctly on the resistive screen.
- Failed to upload code:
- Confirm correct board and port selection in your IDE.
- Check USB cable connection and ensure it's a data-capable cable.
- Press the BOOT button while connecting or resetting if necessary, depending on your ESP32 programming method.
- Wi-Fi/Bluetooth connectivity issues:
- Verify Wi-Fi/Bluetooth credentials and network availability.
- Ensure antenna is not obstructed (if external).
10. Maintenance
- Keep the board clean and free from dust and debris. Use a soft, dry cloth for cleaning.
- Avoid exposing the board to extreme temperatures, humidity, or direct sunlight.
- Handle the board by its edges to prevent damage to components.
- Store in an anti-static bag when not in use to protect against electrostatic discharge.
11. Warranty and Support
For warranty information and technical support, please contact the seller or manufacturer directly. Refer to your purchase documentation for specific details.
12. Safety Information
⚠ WARNING: This product can expose you to chemicals including phthalates (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
