1. Introducció
The Waveshare ESP32-S3 2.1inch Capacitive Touch Round Display Development Board is a versatile microcontroller development board designed for a wide range of applications, including Human-Machine Interface (HMI) and IoT projects. It integrates a powerful ESP32-S3 chip with a high-resolution round capacitive touch display, offering robust processing capabilities and extensive connectivity options.
This manual provides essential information for setting up, operating, and understanding the features of your development board. Please read it thoroughly to ensure proper usage and to maximize the board's potential.
2. Contingut del paquet
Verifiqueu que tots els elements que s'enumeren a continuació s'inclouen al vostre paquet:
- ESP32-S3-Touch-LCD-2.1B Development Board x1
- SH1.0 12PIN cable ~100mm x1
- SH1.0 4PIN cable ~100mm (2pcs) x1
Image: The package contents include the ESP32-S3-Touch-LCD-2.1B board, one 12-pin SH1.0 cable, and two 4-pin SH1.0 cables.
3. Característiques clau
- Processador: High-performance Xtensa 32-bit LX7 dual-core processor, operating at up to 240MHz.
- Connectivitat: Integrated 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth BLE 5 support with an onboard antenna.
- Memòria: 512KB SRAM, 384KB ROM, 16MB Flash, and 8MB PSRAM.
- Visualització: 2.1-inch round IPS capacitive touch display with 480x480 resolution and 262K colors.
- Control tàctil: Capacitive touch via I2C interface with interrupt support.
- Perifèrics: Multiple interfaces including UART, I2C, USB, TF card slot, and various GPIO pins.
- Sensors: QMI8658 6-axis sensor (IMU) and PCF85063 RTC sensor.
- Gestió d'energia: Battery management module with low power modes for efficient energy use.
Imatge: Un cop mésview of the ESP32-S3-Touch-LCD-2.1 features, highlighting the LX7 Dual-core Processor, 2.4 GHz Wi-Fi, BLE 5, Onboard Antenna, 2.1" display, Capacitive Touch, 480x480 Pixels, 262K Color, TF Card Slot, PCF85063 RTC, QMI8658 6-Axis IMU, and Multiple Interfaces.
4. Configuració i maquinari acabatsview
4.1 Hardware Components
The board features various components and connectors for development and integration. Refer to the diagram below for a detailed layout.
Imatge: Detallada view of the ESP32-S3-Touch-LCD-2.1 board with numbered labels indicating components such as the ESP32-S3R8, QST attitude sensor, TCA9554PWR, FSUSB42UMX, CH343P, 16MB Flash, RTC chip, Battery recharge manager, ME6217C33M5G, USB Type-C port, MX1.25 battery header, 12PIN multi-functional pin header, IPEX1 connector, TF card slot, RTC battery header, I2C header, UART header, USB TO UART Type-C port, Buzzer, Power indicator, Charge indicator, Battery power supply control button, RESET button, and BOOT button.
4.2 Connexions perifèriques
The board supports expansion via GPIO, UART, and I2C interfaces. The following diagram illustrates common peripheral connections.
Image: Diagram showing how to connect various peripherals using GPIO, UART, and I2C interfaces, with color-coded lines for Power (red), Ground (black), and GPIO (green).
4.3 Engegada inicial
To power the board, connect a 5V power source to the USB Type-C port. The power indicator LED will illuminate. If a battery is connected, the charge indicator will show its status.
5. Instruccions de funcionament
5.1 Entorn de desenvolupament
The ESP32-S3-Touch-LCD-2.1B supports popular development environments such as ESP-IDF and Arduino IDE. These platforms provide comprehensive SDKs, development resources, and tutorials to facilitate project development.
- ESP-IDF: A free, open-source development framework for ESP32 series chips. It supports various IDEs like Eclipse and VSCode.
- IDE d'Arduino: A user-friendly electronic prototyping platform, suitable for quick development.
Image: This image illustrates application scenarios like Human-Machine Interface and LVGL GUI Development, alongside supported development environments such as ESP-IDF and Arduino IDE.
5.2 Programming and Firmware Upload
Detailed instructions for programming and uploading firmware can be found in the official Waveshare Wiki. Typically, this involves:
- Installing the necessary drivers for the USB-to-UART bridge (e.g., CH343P).
- Setting up your chosen development environment (ESP-IDF or Arduino IDE).
- Connecting the board to your computer via the USB Type-C port.
- Selecting the correct board and port in your IDE.
- Compiling and uploading your code.
5.3 Touch Display Interaction
The 2.1-inch display features capacitive touch functionality. Interaction is similar to modern smartphone screens. Ensure your application code properly initializes and handles touch input via the I2C interface.
6. Escenaris d'aplicació
The Waveshare ESP32-S3-Touch-LCD-2.1B is suitable for various applications, including:
- Interfície home-màquina (HMI): Creating intuitive graphical user interfaces for control systems and smart devices.
- Dispositius IoT: Developing connected devices with interactive displays for data visualization and control.
- Wearable Technology: Due to its compact, round form factor.
- Smart Home Control Panels: Interactive displays for managing smart home ecosystems.
- Control Industrial: Small-scale control panels requiring touch input.
7. Especificacions
Detailed technical specifications for the ESP32-S3-Touch-LCD-2.1B:
| Característica | Detall |
|---|---|
| Nom del model | ESP32-S3-Touch-LCD-2.1B |
| Processador | Xtensa 32-bit LX7 Dual-core, up to 240MHz |
| Wi-Fi | 2.4 GHz (802.11 b/g/n) |
| Bluetooth | BLE 5 |
| SRAM | 512 KB |
| ROM | 384 KB |
| Flash | 16 MB |
| PSRAM | 8 MB |
| Tipus de visualització | LCD IPS |
| Mida de la pantalla | 2.1 inch (Round) |
| Resolució | 480 x 480 píxels |
| Colors de visualització | 262K |
| Toca Tipus | Capacitive, Single-point |
| Toqueu la interfície | I2C |
| Sensor IMU | QMI8658 (6-axis) |
| RTC Chip | PCF85063 |
| Port USB | USB Type-C (Full-speed) |
| Connector de bateria | MX1.25 2PIN for 3.7V Lithium battery |
| Dimensions | 75.00 x 75.00 mm (overall), 66.00 mm (PCB diameter) |
| Pes de l'article | 2.46 unces |
8. Cotes del contorn
The following diagrams provide the physical dimensions of the development board.
Imatge: De dalt a baix view of the board's outline dimensions, showing a diameter of 75.00mm for the display module and 71.80mm for the PCB.
Imatge: Lateral view and detailed PCB dimensions, indicating various measurements in millimeters for components and connectors.
9. Solució De Problemes
- La placa no s'encén: Ensure the USB Type-C cable is securely connected to a 5V power source. Check the power indicator LED.
- Firmware upload issues: Verify that the correct drivers are installed and the board is selected in your IDE. Try pressing the BOOT button while connecting the USB cable, then RESET.
- La pantalla no mostra res: Confirm that the display ribbon cable is properly seated. Check your code for display initialization errors.
- Touch input not responding: Ensure the I2C interface for the touch controller is correctly initialized in your software. Check for any physical damage to the touch panel.
- Problemes de connectivitat Wi-Fi/Bluetooth: Verify antenna connection (if external) and check software configuration for network settings.
10. Manteniment
- Neteja: Use a soft, dry cloth to clean the display and board. Avoid abrasive materials or harsh chemicals.
- Emmagatzematge: Guardeu la placa en un entorn sec i antiestàtic quan no la feu servir.
- Actualitzacions de firmware: Regularly check the official Waveshare Wiki for firmware updates and new examples to ensure optimal performance and access to the latest features.
11. Garantia i Suport
For detailed warranty information, please refer to the official Waveshare website or contact your point of purchase. For technical support, extensive documentation, and community forums, visit the official Waveshare Wiki:
The Wiki provides tutorials, example code, datasheets, and troubleshooting guides specific to the ESP32-S3-Touch-LCD-2.1B development board.
