LILYGO T-Embed CC1101 ESP32-S3 Development Board User Manual

1. Introducció

The LILYGO T-Embed CC1101 ESP32-S3 is a versatile development board designed for low-power wireless applications. It integrates an ESP32-S3 dual-core LX7 microprocessor, a CC1101 low-power Sub-1 GHz RF transceiver, and a PN532 NFC/RFID I2C transceiver module. The device features a 1.9-inch IPS TFT LCD for user interaction and supports both USB and Li-Po battery dual power supply. This manual provides essential information for setting up, operating, and maintaining your T-Embed device.

2. Producte acabatview

The T-Embed CC1101 ESP32-S3 combines multiple functionalities in a compact form factor, making it suitable for various embedded projects and wireless communication tasks.

Figura 2.1: Frontal view of the LILYGO T-Embed CC1101 ESP32-S3 Development Board.

Figura 2.2: superior view showing the 1.9-inch IPS TFT LCD and rotary encoder with integrated button.

Característiques principals:

• Microcontrolador: ESP32-S3 Dual-core LX7 microprocessor.
• Connectivitat sense fils: Wi-Fi 802.11 b/g/n, BLE5.
• RF Transceiver: CC1101 Low-Power Sub-1 GHz RF Transceiver (Frequency bands: 300-348, 387-464, 779-928MHz).
• NFC/RFID: PN532 NFC/RFID I2C transceiver module.
• Visualització: 1.9-inch ST7789V IPS TFT LCD with 170(H)RGB x 320(V) resolution.
• Memòria: 16MB PSRAM, 8MB Flash.
• Font d'alimentació: Supports USB and Li-Po Battery (1300mAh included) dual power supply.
• Onboard Functions: Reset + Boot buttons, IR Transmit & Receive.

Figure 2.3: Diagram highlighting the main features and components of the T-Embed device.

3. Què hi ha a la caixa

Upon opening your LILYGO T-Embed package, you should find the following items:

• 1 x LILYGO T-Embed CC1101 ESP32-S3 Development Board
• 4 x cargols
• 1 x Manual d'usuari (aquest document)

Figure 3.1: The LILYGO T-Embed device and included screws.

4. Configuració

4.1 Encès

The T-Embed can be powered via its USB-C port or the internal 1300mAh Li-Po battery. Ensure the battery is properly connected if using battery power. The device will typically power on automatically when connected to a USB power source or when the power button (if available on your firmware) is pressed.

4.2 Battery Installation/Access

The device features a magnetic attraction design for easy access to the internal battery compartment. To access the battery, gently separate the two halves of the shell. The 1300mAh Li-Po battery is pre-installed but can be accessed for maintenance or replacement.

Figure 4.1: The T-Embed with its shell opened, revealing the 1300mAh Li-Po battery.

4.3 Firmware Installation/Update

The LILYGO T-Embed is a development board, and its full functionality often relies on custom firmware. For the latest firmware, tools, and detailed flashing instructions, please refer to the official GitHub repository:

github.com/Xinyuan-LilyGO/T-Embed-CC1101

Follow the instructions provided on the GitHub page carefully to ensure proper firmware installation.

5. Instruccions de funcionament

The T-Embed features a 1.9-inch IPS TFT LCD and a rotary encoder with an integrated button for navigation and interaction. Specific operations may vary depending on the installed firmware.

5.1 Navegació i interfície d'usuari

Use the rotary encoder to scroll through menu options and adjust values. Press the integrated button on the encoder to select an option or confirm an action. The IPS TFT LCD displays information and menu choices.

5.2 Wireless Communication (Sub-1G)

The integrated CC1101 module enables Sub-1 GHz wireless communication. This functionality allows for transmitting and receiving signals within the 300-348MHz, 387-464MHz, and 779-928MHz frequency bands. The specific applications and protocols will depend on the firmware loaded onto the device.

Refer to Video 4.1 (0:20-0:30) for a demonstration of Sub-1G communication between two T-Embed devices.

5.3 NFC/RFID Functionality

The PN532 NFC/RFID I2C transceiver module allows the T-Embed to interact with NFC and RFID tags. This can be used for reading tag information, emulation, or other NFC-related tasks, depending on the firmware.

Refer to Video 4.1 (0:30-0:37) for a demonstration of NFC reading functionality.

5.4 Infrared (IR) Transmit & Receive

The device includes IR transmit and receive capabilities, allowing it to interact with infrared-controlled devices. This can be used for remote control applications or learning IR signals.

Refer to Video 4.1 (0:51-1:06) for a demonstration of infrared signal transmission between two T-Embed devices.

Reproducció d'àudio 5.5

The T-Embed supports audio playback, which can be utilized for various applications such as alerts, sound effects, or simple music playback. The device includes a speaker slot.

Refer to Video 4.1 (0:37-0:50) for a demonstration of audio playback.

5.6 LED Color Adjustment

The device features an adjustable LED lighting system. The color adjustment knob (rotary encoder) allows users to cycle through various LED colors and effects, enhancing visual feedback or customization.

Refer to Video 4.1 (0:11-0:20) for a demonstration of adjusting the LED colors.

6. Especificacions

Figure 6.1: Physical dimensions of the LILYGO T-Embed device.

Figure 6.2: Detailed pinmap diagram for the LILYGO T-Embed CC1101 ESP32-S3, showing connections for LCD, LORA, CC1101, IR, SD Card, PN532, Microphone, Speaker, and other GPIOs.

7. Manteniment

7.1 Atenció general

• Mantingueu el dispositiu net i lliure de pols i humitat.
• Eviteu exposar el dispositiu a temperatures extremes o a la llum solar directa.
• Handle with care to prevent physical damage to the screen or internal components.

7.2 Cura de la bateria

• Charge the device using a standard USB power source.
• Eviteu descarregar completament la bateria durant períodes prolongats per allargar-ne la vida útil.
• Si no feu servir el dispositiu durant molt de temps, guardeu-lo amb una càrrega parcial (al voltant del 50%).

8. Solució De Problemes

8.1 Microphone Functionality with CC1101 Expansion Board

Nota: If a CC1101 expansion board is added to the embedded system, the microphone will not be enabled. This is due to the hardware design and cannot be avoided. This is an expected behavior, not a defect.

8.2 Problemes generals

• El dispositiu no s'encén: Ensure the battery is charged or the device is connected to a reliable USB power source. Check USB cable and power adapter.
• Firmware issues: If the device behaves unexpectedly, consider reflashing the firmware using the instructions on the official GitHub page.
• Problemes de visualització de la pantalla: If the screen only shows a backlight or no image, try restarting the device. If the issue persists after reflashing firmware, contact support.

9. Assistència i garantia

9.1 Product Service

If you have any questions or suggestions about the product, please feel free to contact LILYGO customer service. We are committed to answering your questions as soon as possible.

9.2 Informació de la garantia

Please refer to the terms and conditions of your purchase for specific warranty details. Typically, LILYGO products come with a standard manufacturer's warranty covering defects in materials and workmanship. Keep your proof of purchase for warranty claims.

10. Recursos addicionals

For further technical details, community support, and the latest firmware updates, please visit the official LILYGO T-Embed CC1101 GitHub repository:

github.com/Xinyuan-LilyGO/T-Embed-CC1101