1. Introduction
This LCD module serves as a versatile control unit, featuring a single-core MCU with integrated Wi-Fi and Bluetooth functionalities. It offers various configurations, including capacitive touch, resistive touch, and non-touch options. The module incorporates an LCD display screen, a backlight control circuit, and an I/O port interface. It supports development environments such as Arduino, IDE, ESP IDE, MicroPython, and Mixly, facilitating rapid secondary development through one-click program downloads and provided Arduino library functions and sample programs.
2. Key Features
The GUITION 1.85-inch Knob Screen ESP32 S3 Development Board offers a wide array of features designed for productivity and entertainment:
- Pomodoro Timer: Enhance efficiency with three distinct Pomodoro modes.
- Bluetooth Connectivity: Seamlessly connect to other devices for enhanced functionality.
- Volume Control: Intuitive knob-based volume adjustment for connected devices.
- Video Playback: Enjoy video content directly on the 1.85-inch screen.
- Digital Photo Frame: Display your favorite electronic pictures.
- AIDA64 Wireless Aux Display: Monitor PC system information wirelessly.
- Audio Spectrum: Visualize sound waves with dynamic audio spectrum display.
- E-book Reader: Read e-books with easy page-flipping functionality.
- CNC Processed Housing: Features a metallic texture and refined surfaces for durability and aesthetics.
- Multi-use Screen: Functions as a pocket command center for reading, watching, listening, and creating.
- Dual Mode Dual Control: Easily switch between light/dark modes and navigate bilingual interfaces (Chinese/English).
- Adjustable Backlight: Customize screen brightness to your preference.
3. Specifications
| Feature | Detail |
|---|---|
| Display Screen | 1.8 inch knob screen |
| Touch Type | Capacitive touch panel |
| Main Control | ESP32-S3 + ESP32 MCU |
| Memory | 8MB PSRAM, 16MB FLASH |
| Memory Card Support | 512MB TF Card (MicroSD) |
| Knob Type | CNC Knob |
| Display Mode | 300:1 |
| Resolution | 320x320 |
| Origin | Mainland China |
| Dimensions (L x W x H) | 11 cm x 8 cm x 4 cm |
| Weight | 0.8 kg |
4. Setup Instructions
Before using your GUITION 1.85-inch Knob Screen ESP32 S3 Development Board, please follow these important setup steps:
- Power Supply: Ensure you use a stable 5V/1A power supply. Insufficient power may lead to unstable operation.
- Driver Installation: You must install the CH340 driver on your computer to ensure proper communication with the device.
- USB Cable: Always use a USB A to Type-C cable for connection. Do NOT use a Type-C to Type-C cable, as this may cause compatibility issues or damage.
- Initial Connection: Connect the device to your computer using the recommended USB A to Type-C cable. The display screen will show the initial boot sequence.
5. Operating the Device
The 1.85-inch Knob Screen is designed for intuitive interaction. Here's how to use its various functions:
5.1 General Navigation
The device features a responsive touch screen and a rotary knob for navigation. Swipe gestures and knob rotations allow you to move through menus and adjust settings.
5.2 Pomodoro Timer
To use the Pomodoro Timer, navigate to the 'Timing' application. You can select from three different modes to manage your work and break intervals effectively. Rotate the knob or tap the screen to set and start timers.
5.3 Volume Control
When connected to a computer or audio source, the device can act as a volume controller. Rotate the physical knob to adjust the volume of movies, music, or system sounds. This provides a tactile and precise control experience.
5.4 Media Playback (Video & Photo)
The device supports both video playback and functioning as a digital photo frame. Swipe left or right on the screen to switch between videos and electronic pictures. The 'Silky Switching' feature ensures a smooth transition between media.
5.5 Wireless Auxiliary Display (AIDA64)
Utilize the device as a wireless auxiliary display for your computer, particularly for monitoring system parameters like CPU and GPU temperature and usage. This feature allows for 'Dual Screens, Dynamic Controls' where numbers come alive as you glide through views.
5.6 Audio Spectrum Display
Experience your music visually with the audio spectrum feature. The device captures sound and translates it into dynamic visual patterns on the screen, allowing sound waves to leap into poetry.
5.7 E-book Reader
The e-book reader function allows you to 'Swipe the Story' and 'Read Beyond Pages'. The device acts as a portable library, lighter than a finger flick. Navigate through text files by swiping or rotating the knob.
5.8 Multi-function Setup
The device supports 'Dual Mode Dual Control' allowing you to 'Spin to Switch' various settings. Tap to switch between light and dark modes, or navigate bilingual options (Chinese/English). You can also adjust the backlight brightness to suit your environment.
5.9 Product Demonstration Video
6. Maintenance
To ensure the longevity and optimal performance of your GUITION 1.85-inch Knob Screen ESP32 S3 Development Board, please follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the screen and housing. Avoid abrasive materials or harsh chemicals that could damage the surfaces.
- Storage: Store the device in a cool, dry place away from direct sunlight, extreme temperatures, and humidity.
- Handling: Handle the device with care to prevent drops or impacts, which could damage internal components or the screen.
- Software Updates: Regularly check for and install any available software or firmware updates to ensure you have the latest features and bug fixes.
7. Troubleshooting
If you encounter any issues with your device, please refer to the following common troubleshooting steps:
- Device Not Powering On: Ensure the device is connected to a stable 5V/1A power supply using a USB A to Type-C cable. Check the cable and power adapter for any damage.
- Display Issues: If the screen is blank or flickering, try restarting the device. Ensure the backlight settings are not set too low.
- Connectivity Problems (Wi-Fi/Bluetooth): Verify that the device's Wi-Fi and Bluetooth functions are enabled. Check your network settings and ensure other devices are discoverable.
- Driver Not Recognized: Confirm that the CH340 driver is correctly installed on your computer. Try reinstalling the driver if necessary.
- Unresponsive Touch Screen/Knob: Restart the device. If the issue persists, ensure there is no physical obstruction or damage to the touch surface or knob.
- Software Development Issues: For problems related to Arduino, IDE, ESP IDE, MicroPython, or Mixly development, refer to the official documentation and community forums for those platforms. Ensure all necessary libraries and sample programs are correctly installed.
If the problem persists after trying these steps, please contact GUITION customer support for further assistance.
8. User Tips
- Custom Resolution: While the default resolution is 320x320, advanced users may explore options within the development environment to potentially adjust display settings for specific applications.
- Home Assistant Integration: As a development board, this device offers potential for integration with smart home systems like Home Assistant via SP Home or custom firmware. Explore the Arduino library functions and sample programs for guidance on advanced control and automation.
- Experiment with Modes: Take advantage of the Pomodoro Timer's three modes to find the rhythm that best suits your productivity style.
- Personalize Your Display: Use the photo playback feature to turn your device into a mini digital photo frame, adding a personal touch to your workspace.
9. Warranty and Support
For detailed information regarding warranty coverage and support, please refer to the official GUITION documentation.
- Official User Manual (PDF): A comprehensive PDF user manual is available for download. Download PDF User Manual
- Additional Resources: Further materials and development resources can be found at the following links:
- Manufacturer: GUITION Official Store
