Manual d'usuari de la placa de desenvolupament de pantalla amb botó ESP32-S3 d'1.8 polzades

1. Introducció

The ESP32-S3 1.8-inch Knob Display Development Board is a high-performance, highly integrated MCU board designed by Waveshare. It features dual ESP32-S3 and ESP32 microcontrollers, large-capacity Flash and PSRAM, a 1.8-inch capacitive touch LCD screen, and various peripherals including an audio decoder chip and knob encoder. This board is ideal for rapid development of smart voice AI applications and offers multi-functional capabilities such as PC volume control and use as a secondary PC screen.

2. Característiques clau

Equipped with ESP32-S3 and ESP32 dual MCUs, offering up to 4 cores and 240MHz main frequency.
Supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE) and Classic Bluetooth, with an onboard antenna.
Built-in 512KB SRAM and 384KB ROM, with onboard 16MB Flash and 8MB PSRAM.
Features a 1.8-inch LCD display with 360 × 360 resolution and 262K color.
Supports capacitive touch control via I2C interface, with interrupt support.
Includes an onboard audio decoder chip, microphone, knob encoder, vibration motor, TF card slot, and battery recharge management module.
Housed in a precision CNC process metal case for durability and aesthetic appeal.

3. Especificacions

3.1. LCD Display Specifications

Característica	Detall	Característica	Detall
Panell de visualització	IPS	Mida de la pantalla	1.8 polzades
Resolució	360 × 360	Color de la pantalla	262K
Brillantor	600 cd/m²	Relació de contrast	1200:1
Interfície de comunicació	QSPI	IC del conductor	ST77916
Toca Tipus	Capacitiva	Toqueu IC	CST816

3.2. Especificacions generals

MCU: ESP32-S3 and ESP32 (dual MCUs)
Connectivitat sense fils: 2.4GHz Wi-Fi (802.11 b/g/n), Bluetooth 5 (LE), Classic Bluetooth
Memòria: 512 KB de SRAM, 384 KB de ROM, 16 MB de flaix, 8 MB de PSRAM
Àudio: PCM5100A DAC (I2S interface), Digital MIC, 3.5mm audio jack
Haptics: DRV2605 Vibration motor driver (I2C interface)
Emmagatzematge: Ranura per a targeta TF
Potència: Battery recharge management module, PH1.25 Lithium battery header (for optional battery)
Connectivitat: Type-C connector (for ESP32-S3 USB or ESP32 UART), PH1.27 10P SMD Connector
Cas: CNC process metal case
Dimensions: Approximately 66mm (diameter) x 22mm (height).

Outline dimensions of the ESP32-S3 Knob Display Development Board — Figure 3.1: Outline Dimensions (Unit: mm)

4. Contingut del paquet

The package contents vary depending on the version purchased:

4.1. ESP32-S3-Knob-Touch-LCD-1.8 (with Lithium battery)

ESP32-S3-Knob-Touch-LCD-1.8 unit × 1 (with pre-assembled 3.7V 102035 800mAh Lithium battery)

Package content for ESP32-S3-Knob-Touch-LCD-1.8 with battery — Figure 4.1: ESP32-S3-Knob-Touch-LCD-1.8 Package

4.2. ESP32-S3-Knob-Touch-LCD-1.8-EN (Standard version, without Lithium battery)

ESP32-S3-Knob-Touch-LCD-1.8-EN unit × 1
Back cover × 1

ESP32-S3-Knob-Touch-LCD-1.8-EN unit — Figure 4.2: ESP32-S3-Knob-Touch-LCD-1.8-EN Package (Unit and Back Cover)

Back cover for ESP32-S3-Knob-Touch-LCD-1.8-EN — Figure 4.2: ESP32-S3-Knob-Touch-LCD-1.8-EN Package (Unit and Back Cover)

* Note: The built-in 3.7V 102035 Lithium battery is optional and only included with the ESP32-S3-Knob-Touch-LCD-1.8 version.

5. Guia de configuració

5.1. Component Overview

Internal components of the ESP32-S3 Knob Display Development Board — Figure 5.1: Internal Components (Top View)

ESP32-S3R8: Wi-Fi and Bluetooth SoC, 240MHz operating frequency, with 8MB PSRAM.
ESP32-U4WDH: Wi-Fi and Classic Bluetooth, 240MHz operating frequency, with 4MB Flash.
PCM5100A: High-performance stereo DAC with I2S interface.
USB To UART: Per a la comunicació en sèrie.
Memòria flaix de 16 MB: Additional storage.
Dual encoder: For ESP32-S3 and ESP32 respectively.
Ranura per a targeta TF: Per a emmagatzematge extern.
DRV2605: Vibration motor driver with I2C interface.
CH445P: 4-SPDT 3.3V low-resistance analog switch IC.
Digital MIC: Per a entrada d'àudio.
Ceramic antenna: Per a la connectivitat sense fil.
PH1.27 10P SMD Connector: For expansion.

External interfaces of the ESP32-S3 Knob Display Development Board — Figure 5.2: External Interfaces (Side View)

Motor de vibració: Proporciona retroalimentació hàptica.
PH1.27 10P SMD header: For additional connections.
PH1.25 Lithium battery header: For connecting the optional Lithium battery.
Connector d'àudio 3.5mm: Per a sortida d'àudio externa.
Botó d'encesa: Per encendre/apagar el dispositiu.
Connector tipus C: Used for power and data. It switches between ESP32-S3 USB and ESP32 UART based on the Type-C plug orientation.
ESP32-S3R8 BOOT button: Press this button and power on again to enter download mode for firmware updates.

5.2. Engegada inicial

If your board includes a Lithium battery, ensure it is charged by connecting the Type-C cable to a power source.
Manteniu premut el botó d'engegada per encendre el dispositiu.
If your board is the standard version without a battery, connect the Type-C cable to a power source to operate the device.

6. Instruccions de funcionament

6.1. Basic Navigation and Control

Knob Encoder: Rotate the knob to navigate menus, adjust values (e.g., volume, backlight), or switch between themes.
Capacitive Touch Screen: Tap or swipe on the 1.8-inch LCD for direct interaction.
Gestos de lliscament: Swipe left or right to switch between photos, videos, or pages in e-books.

Demonstration of swipe gestures for switching content — Figure 6.1: Swipe Left or Right for Content Switching

6.2. Multi-functional Applications

Temporitzador de Pomodoro: The device supports three Pomodoro timer themes for productivity.
Reproducció de música Bluetooth:
1. Connect your smartphone via Bluetooth.
2. Connect an external speaker to the 3.5mm audio jack (the device does not have a built-in speaker).
3. Upload music lyrics and covers to the device (refer to the Wiki for detailed instructions).
4. Adjust volume by sliding the knob.
Figure 6.2: Bluetooth Music Playback Setup
Digital Photo Frame & Video Playback: Insert a TF card with images or videos. Use swipe gestures to browse content.
Lector de llibres electrònics: Supports reading TXT files. Swipe to turn pages.
PC Secondary Screen (AIDA64 Wireless Aux Display):
1. Connecteu el dispositiu al vostre PC.
2. Monitor CPU and GPU parameters in real-time. Refer to the Waveshare Wiki for software setup.
Figure 6.3: PC Secondary Screen Functionality
PC Bluetooth Volume Control:
1. Pair the device with your PC via Bluetooth.
2. Use the knob to adjust the system volume for movies and music.
Figure 6.4: PC Bluetooth Volume Control
Real-time Audio Visualization: The built-in microphone captures ambient sounds and displays them as a real-time audio spectrum on the screen.

6.3. Configuració i personalització

Ajust de la retroiluminació: Rotate the knob to adjust the display backlight intensity.
Canvi d'idioma: Easily switch between Chinese and English modes.
Multiple Themes: The device supports switching between various display themes.

Backlight adjustment and language switching options — Figure 6.5: Backlight Adjustment and Language Options

7. Manteniment

Neteja: Feu servir un drap suau i sec per netejar el dispositiu. Eviteu productes de neteja o dissolvents abrasius.
Emmagatzematge: Guardeu el dispositiu en un lloc fresc i sec, allunyat de la llum solar directa i de temperatures extremes.
Cura de la bateria (si escau): If your device has a Lithium battery, avoid fully discharging it for extended periods. Charge it regularly to maintain battery health.
Actualitzacions de firmware: Periodically check the Waveshare Wiki for firmware updates to ensure optimal performance and access to new features.

8. Solució De Problemes

El dispositiu no s'encén:
- Ensure the Type-C cable is securely connected to a power source.
- If equipped with a battery, ensure it is charged.
- Manteniu premut el botó d'encesa durant uns segons.
La pantalla no mostra res:
- Comproveu la connexió d'alimentació.
- Assegureu-vos que el dispositiu estigui encès.
- Try adjusting the backlight using the knob.
La pantalla tàctil no respon:
- Assegureu-vos que la pantalla estigui neta i lliure de residus.
- Reinicieu el dispositiu.
Problemes de connectivitat Bluetooth:
- Ensure Bluetooth is enabled on both the device and the paired host (smartphone/PC).
- Prova de desvincular i tornar a vincular el dispositiu.
- Ensure the device is within range.
Sense sortida d'àudio:
- Verify an external speaker is correctly connected to the 3.5mm audio jack.
- Check volume settings on both the device and the connected audio source.
Unable to enter download mode:
- Ensure you are pressing the ESP32-S3R8 BOOT button while powering on the device.
- Refer to the Waveshare Wiki for specific instructions on entering download mode.

9. Consells d'usuari

Explora la Viquipèdia: For advanced usage, programming guides, and detailed examples, always refer to the official Waveshare Wiki for this product.
Personalització: Leverage the dual MCUs and open-source nature to develop custom applications and interfaces.
Emmagatzematge extern: Utilize the TF card slot for expanding storage for media files or project data.

10. Garantia i Suport

For detailed warranty information, technical support, and additional resources, please visit the official Waveshare product Wiki:

www.waveshare.com/wiki/ESP32-S3-Knob-Touch-LCD-1.8

This manual provides general instructions. For specific development and programming details, the Wiki is the primary resource.

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Waveshare ESP32-S3-Knob-Touch-LCD-1.8