ESP32 3248s035 Development Board User Manual

1. Introduktion

The ESP32 3248s035 Development Board is a versatile smart display solution featuring a 3.5-inch TFT screen with a resolution of 320x480 pixels. It integrates an ESP32-D0WDQ6 dual-core CPU, offering robust WiFi and Bluetooth connectivity for a wide range of Internet of Things (IoT) applications. This board supports both resistive and capacitive touch options, providing an interactive user interface. It is designed for easy development with support for LVGL demos and Arduino examples, making it suitable for custom control interfaces, remote environmental data collection, and various other embedded projects.

The board is based on a low-power dual-core 32-bit CPU with a main frequency up to 240MHz and computing power up to 600 DMIPS. It includes built-in 520 KB SRAM and supports various interfaces such as UART, SPI, I2C, PWM, ADC, and DAC.

2. Specifikationer

3. Opsætningsvejledning

Before using your ESP32 3248s035 Development Board, please ensure you have the necessary software and drivers installed on your computer. The board supports various development environments, including Arduino IDE, ESP IDE, MicroPython, and Mixly.

3.1 Installation af software og drivere

For detailed instructions and example code (LVGL demo and Arduino examples), please download the relevant package from the following link:

http://pan.jczn1688.com/directlink/1/ESP32%20module/3.5inch_ESP32-3248S035.zip

Follow the instructions provided within the downloaded package for setting up your preferred development environment and installing any required drivers.

3.2 Hardwareforbindelser

1. Strømforsyning: Connect the board to a 4.75-5.25V power source using the Micro-USB port or the 4P 1.25 power supply base.
2. Dataoverførsel: Use the Micro-USB port to connect the board to your computer for programming and serial communication.
3. TF-kort: If external storage is required, insert a TF card (up to 4G) into the designated slot.
4. Udvidet IO: Utilize the Extended IO pins for connecting external sensors, actuators, or other peripherals as per your project requirements.

4. Betjeningsvejledning

The ESP32 3248s035 Development Board is designed for ease of use in various IoT and display applications. Once powered and programmed, the 3.5-inch TFT screen provides a visual interface, and the touch functionality allows for interactive control.

4.1 Programmering og udvikling

The board supports one-key automatic download for easy firmware updates and program uploads. You can develop applications using:

• Arduino IDE: A popular environment for embedded development.
• ESP IDE: Espressif's official integrated development environment.
• MicroPython: For Python-based embedded programming.
• Mixly: A graphical programming environment, often used for educational purposes.

4.2 User Interface Interaction

The 3.5-inch display supports touch input, allowing for direct interaction with your applications. Depending on your model, it may feature resistive or capacitive touch, with capacitive models supporting multi-touch gestures.

4.3 IoT Applications

This development board is ideal for a variety of IoT applications, including:

• Home smart device image transmission
• Wireless monitoring systems
• Smarte landbrugsløsninger
• QR wireless recognition
• Wireless positioning systems
• Remote control and data collection via APP

5. Vedligeholdelse

To ensure the longevity and optimal performance of your ESP32 3248s035 Development Board, follow these maintenance guidelines:

• Håndteres med forsigtighed: Avoid dropping or subjecting the board to physical shocks.
• Hold tør: Protect the board from moisture and liquids. Operate and store in a dry environment.
• Temperaturkontrol: Ensure the operating and storage temperatures remain within the specified ranges (-20 ℃ to 70 ℃ operating, -40 ℃ to 125 ℃ storage).
• Rensning: If necessary, gently clean the screen and board with a soft, dry, anti-static cloth. Avoid using harsh chemicals or abrasive materials.
• Sluk: Always disconnect power before making any hardware changes or connections.

6. Fejlfinding

If you encounter issues with your ESP32 3248s035 Development Board, consider the following troubleshooting steps:

• Ingen strøm/display:
  • Check the power supply connection and ensure it provides 4.75-5.25V.
  • Verify the USB cable is securely connected to both the board and your computer/power source.
• Programmeringsfejl:
  • Ensure all necessary drivers for the ESP32 are installed on your computer.
  • Check your development environment settings (e.g., correct board selection, COM port).
  • Verify the integrity of your code and ensure it compiles without errors.
  • Try pressing the BOOT button while uploading if automatic download fails.
• Skærmen reagerer ikke på berøring:
  • Confirm you have the correct firmware for your touch type (resistive or capacitive).
  • Ensure the touch screen FPC cable is properly seated.
  • Recalibrate the touch screen if your software supports it.
• Problemer med Wi-Fi/Bluetooth-forbindelse:
  • Check your code for correct Wi-Fi/Bluetooth initialization and credentials.
  • Ensure the board is within range of the network/device.
  • Verify antenna connection if applicable (though this board has an onboard PCB antenna).

7. Brugertips

• Start med Eks.amples: Begin by running the provided LVGL demos and Arduino examples to familiarize yourself with the board's capabilities and programming.
• Strømstyring: Utilize the multiple sleep modes (Deep-sleep, Moderm-sleep, Light-sleep) to optimize power consumption for battery-powered applications.
• Fællesskabsressourcer: Leverage the extensive ESP32 community online for tutorials, project ideas, and troubleshooting assistance.
• Sikre forbindelser: When developing IoT applications, always implement robust security measures (WPA/WPA2) to protect your data and network.

8. Garanti og support

For garantioplysninger og teknisk support henvises til sælgers officielle webwebstedet eller kontakt deres kundeservice direkte. Behold din købskvittering som købsbevis.