1. 서론
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. 패키지 내용
아래 나열된 모든 품목이 패키지에 포함되어 있는지 확인하세요.
- 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. 주요 특징
- 프로세서: High-performance Xtensa 32-bit LX7 dual-core processor, operating at up to 240MHz.
- 연결성: Integrated 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth BLE 5 support with an onboard antenna.
- 메모리: 512KB SRAM, 384KB ROM, 16MB Flash, and 8MB PSRAM.
- 표시하다: 2.1-inch round IPS capacitive touch display with 480x480 resolution and 262K colors.
- 터치 컨트롤: Capacitive touch via I2C interface with interrupt support.
- 주변 장치: Multiple interfaces including UART, I2C, USB, TF card slot, and various GPIO pins.
- 센서: QMI8658 6-axis sensor (IMU) and PCF85063 RTC sensor.
- 전원 관리 : Battery management module with low power modes for efficient energy use.
이미지: 오버view 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. 설치 및 하드웨어 오버헤드view
4.1 하드웨어 구성 요소
The board features various components and connectors for development and integration. Refer to the diagram below for a detailed layout.
이미지: 상세 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 주변 장치 연결
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 초기 전원 켜기
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. 사용 설명서
5.1 개발 환경
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.
- 아두이노 IDE: 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 프로그래밍 및 펌웨어 업로드
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. 응용 프로그램 시나리오
The Waveshare ESP32-S3-Touch-LCD-2.1B is suitable for various applications, including:
- 인간-기계 인터페이스(HMI): Creating intuitive graphical user interfaces for control systems and smart devices.
- IoT 기기: 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.
- 산업 제어: Small-scale control panels requiring touch input.
7. 사양
Detailed technical specifications for the ESP32-S3-Touch-LCD-2.1B:
| 특징 | 세부 사항 |
|---|---|
| 모델명 | ESP32-S3-터치-LCD-2.1B |
| 프로세서 | Xtensa 32비트 LX7 듀얼 코어, 최대 240MHz |
| 와이파이 | 2.4GHz(802.11b/g/n) |
| 블루투스 | BLE 5 |
| 에스램 | 512KB |
| 집시 남자 | 384KB |
| 플래시 | 16MB |
| PSRAM | 8MB |
| 디스플레이 유형 | IPS LCD |
| 디스플레이 크기 | 2.1 inch (Round) |
| 해결 | 480 x 480 픽셀 |
| 디스플레이 색상 | 262K |
| 터치타입 | Capacitive, Single-point |
| 터치 인터페이스 | I2C |
| IMU 센서 | QMI8658 (6-axis) |
| RTC Chip | PCF85063 |
| USB 포트 | USB Type-C (Full-speed) |
| 배터리 커넥터 | MX1.25 2PIN for 3.7V Lithium battery |
| 치수 | 75.00 x 75.00 mm (overall), 66.00 mm (PCB diameter) |
| 품목 무게 | 2.46 온스 |
8. 외형 치수
The following diagrams provide the physical dimensions of the development board.
이미지: 위에서 아래로 view of the board's outline dimensions, showing a diameter of 75.00mm for the display module and 71.80mm for the PCB.
이미지: 측면 view and detailed PCB dimensions, indicating various measurements in millimeters for components and connectors.
9. 문제 해결
- 보드 전원이 켜지지 않음: 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.
- 아무것도 표시되지 않는 디스플레이: 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.
- Wi-Fi/블루투스 연결 문제: Verify antenna connection (if external) and check software configuration for network settings.
10. 유지관리
- 청소: Use a soft, dry cloth to clean the display and board. Avoid abrasive materials or harsh chemicals.
- 저장: 사용하지 않을 때는 보드를 건조하고 정전기 방지 환경에 보관하세요.
- 펌웨어 업데이트: Regularly check the official Waveshare Wiki for firmware updates and new examp최적의 성능과 최신 기능 이용을 보장하기 위한 조치입니다.
11. 보증 및 지원
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.
