1. Introduktion
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. Funktioner
- 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. Specifikationer
| Parameter | Beskrivelse |
|---|---|
| Display farve | RGB 65K farve |
| Tryk på Type | Resistive touch (ESP32-2432S028R) |
| Skærmstørrelse | 2.8 tommer |
| Display Type | TFT |
| Driver chip | ILI9341 |
| Opløsning | 320 x 240 (Pixel) |
| Effektivt visningsområde | 43.2 x 57.6 mm |
| Modulstørrelse | 50.0 x 86.0 mm |
| Viewi vinkel | >60° |
| Driftstemperatur | -20°C ~ 70°C |
| Opbevaringstemperatur | -30°C ~ 80°C |
| Operation Voltage | 5V |
| Strømforbrug | Cirka 90mA |
| Produktets vægt | Omkring 50 g |
| Materiale | Plast |
| er elektrisk | Intet batteri |
| Batterier medfølger | Ingen |
| Anbefalet alder | 14+ år |
| Use Case | Vehicles & Remote Control Toys (general category) |
4. Pakkens indhold
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
- 1 x USB-kabel
- 1x Touch Pen (color may vary)
- Jumper ledninger
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. Produktet er slutview
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. Opsætning
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. Første tilslutning
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. Betjeningsvejledning
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.
- Programmering: Use the USB connection for uploading code. The board supports one-click program download.
- Touchskærm: The resistive touchscreen allows for user interaction. Refer to the programming examples for implementing touch functionality.
- TF-kort: Insert a TF card into the slot for expanded storage. This can be used for storing images, data logs, or firmware updates.
- Udvidet IO: Utilize the extended IO pins for connecting external sensors, actuators, and other peripherals.
- Wi-Fi og 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. Brugertips
- 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 med et simpelt f.eks.ample 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. Fejlfinding
- Skærmen tænder ikke:
- Check USB power connection.
- Ensure the correct firmware is loaded.
- Berøringsskærmen reagerer ikke:
- Verify touch driver initialization in your code.
- Ensure the touch pen is used correctly on the resistive screen.
- Kunne ikke uploade kode:
- 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.
- Problemer med Wi-Fi/Bluetooth-forbindelse:
- Verify Wi-Fi/Bluetooth credentials and network availability.
- Ensure antenna is not obstructed (if external).
10. Vedligeholdelse
- Hold boardet rent og fri for støv og snavs. Brug en blød, tør klud til rengøring.
- Undgå at udsætte boardet for ekstreme temperaturer, fugtighed eller direkte sollys.
- 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. Garanti og support
For warranty information and technical support, please contact the seller or manufacturer directly. Refer to your purchase documentation for specific details.
12. Sikkerhedsoplysninger
⚠ ADVARSEL: Dette produkt kan udsætte dig for kemikalier, herunder ftalater (DEHP), som i staten Californien er kendt for at forårsage kræft og fosterskader eller andre reproduktionsskader. For mere information, gå til www.P65Warnings.ca.gov.
