LILYGO T-Display S3 Pro LR1121 Development Board User Manual

1. Fampidirana

The LILYGO T-Display S3 Pro LR1121 is an advanced development board built upon the T-Display S3 Pro External Expansion Module. It integrates the LR1121 chip, offering dual LoRa band capabilities (Sub-G band and 2.4G band). This board features a 2.33-inch touch IPS TFT SPI LCD for interactive applications.

Key integrated functions include motor vibration, Real-Time Clock (RTC), speaker, and microphone. It is powered by a built-in high-capacity 2000mAh Li-ion battery. The robust ABS+PC material shell is designed with two external LoRa antenna ports, ensuring optimal wireless performance without internal interference. A 1/4-inch screw mount at the bottom allows for attachment to outdoor fixtures like tripods.

Figure 1.1: LILYGO T-Display S3 Pro LR1121 front view with antennas extended.

Sary 1.2: Amin'ny antsipirianyview of LILYGO T-Display S3 Pro LR1121 features.

2. Fametrahana

2.1 Fametrahana Hardware voalohany

1. Fametrahana Antenna: Carefully connect the two LoRa external antennas to the designated ports on the side of the device. Ensure they are securely fastened. The LR1121 antenna can be rotated 180 degrees in the direction of the screen; avoid rotating it backward.
2. Fampifandraisana herinaratra: Connect the LILYGO T-Display S3 Pro LR1121 to a power source using a standard USB-C cable. The device has a built-in 2000mAh Li-ion battery.

Sary 2.1: Miverina view with pinout diagram.

Figure 2.2: Detailed Pinmap Diagram.

2.2 Fametrahana ny tontolo iainana rindrambaiko

For programming and development, refer to the official GitHub repository for detailed instructions on setting up your development environment, including Arduino-IDE or VS Code.

• GitHub Repository: github.com/Xinyuan-LilyGO/T-Display-S3-Pro-MVSRLora

3. Torolàlana miasa

3.1 Fampandehanana fototra

• Herim-batana / maty: Use the designated power button (if available) or connect/disconnect USB power to turn the device on or off.
• Fifandraisana aseho: The 2.33-inch touch IPS TFT SPI LCD supports touch input. Interact with on-screen elements as programmed.

Figure 3.1: Display showing touch information.

3.2 Fifandraisana tsy misy tariby

The board supports multiple wireless communication protocols:

• LoRa: Utilizes the LR1121 chip for Sub-G band and 2.4G band LoRa communication. Ensure antennas are properly connected for optimal range.
• Wifi: Supports Wi-Fi 802.11 for network connectivity.
• Bluetooth: Features BLE 5 and Bluetooth mesh for short-range communication.

3.3 Integrated Functions

The T-Display S3 Pro LR1121 includes several integrated peripherals:

• Motor Vibration: Manome valin-kafatra haptic.
• RTC (Real-Time Clock): Maintains accurate timekeeping.
• Mpandahateny: Ho an'ny famoahana feo.
• Microphone: Ho an'ny fampidirana feo.

4. Fikojakojana

4.1 Fikarakarana ankapobeny

• Fanadiovana: Mampiasà lamba malefaka sy maina hanadiovana ny fitaovana. Fadio ny mampiasa ranoka fanadiovana na ranoka solvent.
• fitahirizana: Tehirizo ao amin'ny toerana mangatsiatsiaka sy maina ny fitaovana, lavitry ny tara-masoandro mivantana sy ny hafanana tafahoatra.
• Fiarovana ara-batana: The ABS+PC shell provides good protection, but avoid dropping the device or subjecting it to strong impacts.

4.2 Fikarakarana bateria

• famandrihana: Charge the built-in 2000mAh Li-ion battery using a compatible USB-C power adapter (5V, 500mA recommended).
• Fitehirizana maharitra: If storing the device for an extended period, charge the battery to approximately 50% to prolong its lifespan. Avoid fully discharging or fully charging the battery for long-term storage.

5. Famahana olana

If you encounter issues with your LILYGO T-Display S3 Pro LR1121, consider the following steps:

• Tsy mandeha ny fitaovana: Ensure the battery is charged or the device is connected to a stable USB power source. Check the USB-C cable and port for damage.
• Olana amin'ny fampisehoana: If the display is blank or unresponsive, try restarting the device. Verify that the software is correctly loaded and initialized the display.
• Connectivity Problems (LoRa, Wi-Fi, Bluetooth): Check antenna connections for LoRa. For Wi-Fi and Bluetooth, ensure your software configuration is correct and that the device is within range of the network/peer.
• Software-Related Issues: Refer to the official GitHub repository for common issues, firmware updates, and community support. Many problems can be resolved by ensuring you are running the latest stable firmware or by consulting the project's documentation.
• Fitaovana tsy mamaly: If the device becomes unresponsive, perform a hard reset by disconnecting and reconnecting the power source.

6. Famaritana

7. Warranty sy fanohanana

7.1 Fampahalalana momba ny fiantohana

This product is covered by the manufacturer's standard warranty. Please refer to the LILYGO official webtranokala na mifandray amin'ny serivisy mpanjifany mba hahazoana fepetra sy fepetra manokana.

7.2 Fanohanana ara-teknika

For technical assistance, documentation, and community support, please visit the official LILYGO GitHub repository:

• GitHub: github.com/Xinyuan-LilyGO/T-Display-S3-Pro-MVSRLora

If you have any questions or suggestions regarding the product, you may also contact LILYGO directly through their official channels.