LILYGO T-Display S3 AMOLED Plus User Manual

1. Introduction

The LILYGO T-Display S3 AMOLED Plus is a versatile development board featuring an ESP32-S3 dual-core LX7 microprocessor and a vibrant 1.91-inch AMOLED touch display. This board offers robust wireless connectivity with 2.4 GHz Wi-Fi and Bluetooth 5 (LE), making it suitable for a wide range of embedded projects and IoT applications. It supports popular development environments such as Arduino, PlatformIO-IDE, and Micropython.

This manual provides essential information for setting up, operating, and troubleshooting your T-Display S3 AMOLED Plus.

2. Produit terminéview

The T-Display S3 AMOLED Plus integrates a powerful ESP32-S3 chip with an AMOLED display, offering a compact and feature-rich platform for developers. It includes onboard functions such as RTC (Real-Time Clock), PMU (Power Management Unit), SD Card support, and a battery holder for portable applications. The 1.91-inch RM67162 IPS AMOLED display boasts a resolution of 240(W) x 536(H) and supports capacitive touch.

Figure 1 : Face avant view of the LILYGO T-Display S3 AMOLED Plus, showcasing its 1.91-inch AMOLED screen displaying time.

Figure 2: Detailed diagram highlighting the MCU, wireless connectivity, display specifications, and onboard functions of the T-Display S3 AMOLED Plus.

3. Caractéristiques

• MCU : Microprocesseur double cœur LX7 ESP32-S3R8.
• Connectivité sans fil: 2.4 GHz Wi-Fi and Bluetooth 5 (LE).
• Environnements de développement : Arduino, PlatformIO-IDE, Micropython.
• Afficher: 1.91-inch RM67162 IPS AMOLED, 240(W) x 536(H) resolution, SPI interface, capacitive touch.
• Mémoire: 16 Mo de mémoire Flash, 8 Mo de PSRAM.
• Fonctions embarquées : RTC, PMU, SD Card holder (Fat32 support), and battery holder.
• Interfaces : Type-C USB, JST-GH 1.25mm 2pin battery interface, JST-SH 1.0mm 4pin interface (STEMMA QT/Qwiic compatible).

4. Contenu du colis

The LILYGO T-Display S3 AMOLED Plus package includes:

• Carte principale
• Câble USB

Figure 3: Contents of the LILYGO T-Display S3 AMOLED Plus package, including the main board and USB cable.

5. Installation

5.1. Initial Power-up and Functionality Check

1. Connect the provided USB cable to the T-Display S3 AMOLED Plus and a power source (e.g., computer USB port).
2. The device should power on and display the default firmware interface.
3. To check basic functionality like Wi-Fi and time synchronization, refer to Video 2, starting at 0:58.

5.2. Flashing Firmware

To update or install new firmware, you will need to put the device into download mode and use a flashing tool. Detailed instructions are provided in Video 2.

1. Enter Download Mode: Connect the USB cable to the board. Press and hold the BOTTE bouton, puis appuyez sur le TVD bouton. Relâchez le TVD bouton, puis relâchez le BOTTE button. The device is now in download mode. (Refer to Video 2, timestamp 2:38 for visual guide).
2. Download Flashing Tool: Obtain the ESP32S3 Flash Download Tool from the LILYGO GitHub repository (github.com/Xinyuan-LilyGO/LilyGo-AMOLED-Series).
3. Load Firmware: In the flashing tool, select the correct chip type (ESP32-S3) and load the firmware .bin file.
4. Éclair: Select the appropriate COM port and click 'START' to begin flashing.

6. Mode d'emploi

6.1. Navigation de base

The T-Display S3 AMOLED Plus features a touch screen for interaction. Navigate through menus and applications by tapping and swiping on the display.

6.2. Connectivité Wi-Fi

The device supports 2.4 GHz Wi-Fi. To connect to a Wi-Fi network, access the settings menu on the device. You can configure Wi-Fi credentials through the development environment or a dedicated mobile application (if available). (Refer to Video 1, timestamp 0:58 for Wi-Fi functionality demonstration).

6.3. Synchronisation du temps

The device can automatically synchronize time when connected to a Wi-Fi network. (Refer to Video 1, timestamp 1:10 for time synchronization demonstration).

6.4. Boutons personnalisés

The board includes programmable buttons that can be customized for various functions within your applications. (Refer to Video 1, timestamp 1:26 for custom button demonstration).

7. Spécifications

Figure 4: Pinout diagram for the LILYGO T-Display S3 AMOLED Plus, detailing GPIO assignments and interfaces.

8. Dépannage

• No Display After Flashing: If the screen remains blank after flashing, ensure the correct firmware for your specific board version was used. Try re-flashing the factory test firmware to verify hardware functionality.
• USB Port Not Found: When attempting to upload firmware, if the COM port is not detected, ensure the USB CDC ON_BOOT configuration is enabled in your development environment. If the port is still not found, try a different USB cable or port.
• Problèmes de connexion Wi-Fi : Verify that the Wi-Fi credentials are correct and that you are connecting to a 2.4 GHz network, as 5 GHz networks are not supported.
• L'appareil ne répond pas : If the device becomes unresponsive, press and hold the RST button to perform a hardware reset.

9. Entretien

To ensure the longevity of your LILYGO T-Display S3 AMOLED Plus, keep it in a dry environment and avoid exposure to extreme temperatures or humidity. Handle the board with care to prevent physical damage to components or connectors. Regularly check for firmware updates on the official GitHub repository to benefit from the latest features and bug fixes.

10. Garantie et assistance

For any questions or suggestions regarding the LILYGO T-Display S3 AMOLED Plus, please contact the seller directly through the platform where you purchased the product. LILYGO is committed to providing prompt assistance and support.