1. Pengenalan
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. Produk Lebihview
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.

Rajah 2.1: Depan view of the LILYGO T-Embed CC1101 ESP32-S3 Development Board.

Rajah 2.2: Atas view showing the 1.9-inch IPS TFT LCD and rotary encoder with integrated button.
Ciri-ciri Utama:
- Pengawal mikro: ESP32-S3 Dual-core LX7 microprocessor.
- Kesambungan Tanpa Wayar: 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.
- paparan: 1.9-inch ST7789V IPS TFT LCD with 170(H)RGB x 320(V) resolution.
- Ingatan: 16MB PSRAM, 8MB Flash.
- Bekalan Kuasa: Supports USB and Li-Po Battery (1300mAh included) dual power supply.
- Fungsi Atas Kapal: Reset + Boot buttons, IR Transmit & Receive.

Figure 2.3: Diagram highlighting the main features and components of the T-Embed device.
3. Apa yang ada di dalam Kotak
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 Skru
- 1 x Manual Pengguna (dokumen ini)

Figure 3.1: The LILYGO T-Embed device and included screws.
4. Persediaan
4.1 Menghidupkan
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.
Video 4.1: Demonstration of the magnetic attraction design for battery access and various device functionalities. This video shows the device being opened to reveal the battery, highlighting the 1300mAh capacity and magnetic closure. It also demonstrates the device's user interface, LED color adjustment, Sub-1G communication, NFC reading, and infrared transmission.
4.3 Pemasangan/Kemas Kini Perisian Tegar
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. Arahan Operasi
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 Navigasi dan Antara Muka Pengguna
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.
5.5 Main Balik Audio
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 Pelarasan Warna LED
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. Spesifikasi

Figure 6.1: Physical dimensions of the LILYGO T-Embed device.
| Ciri | Perincian |
|---|---|
| Pengawal mikro | Mikropemproses ESP32-S3 Dwi-teras LX7 |
| Kesambungan Wayarles | Wi-Fi 802.11 b/g/n, BLE5 |
| Pemancar RF | CC1101 Low-Power Sub-1 GHz (300-348MHz, 387-464MHz, 779-928MHz) |
| NFC/RFID | PN532 I2C transceiver module |
| Paparan | 1.9-inch ST7789V IPS TFT LCD, 170(H)RGB x 320(V) resolution |
| RAM | LPDDR4 |
| Saiz Memori Denyar | 16 MB |
| Sistem Operasi | FreeRTOS (default, customizable via firmware) |
| Bateri | 1300mAh Nonstandard Li-Po Battery (included) |
| Berat Barang | 4.6 auns |
| Dimensi Pakej | 6.61 x 6.42 x 1.89 inci |
| warna | Black Shell (variant shown) |

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. Penyelenggaraan
7.1 Penjagaan Am
- Pastikan peranti bersih dan bebas daripada habuk dan lembapan.
- Elakkan daripada mendedahkan peranti kepada suhu yang melampau atau cahaya matahari langsung.
- Handle with care to prevent physical damage to the screen or internal components.
7.2 Penjagaan Bateri
- Charge the device using a standard USB power source.
- Avoid fully discharging the battery for extended periods to prolong its lifespan.
- If the device will not be used for a long time, store it with a partial charge (around 50%).
8. Penyelesaian masalah
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 Isu Umum
- Peranti tidak dihidupkan: 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.
- Screen display problems: If the screen only shows a backlight or no image, try restarting the device. If the issue persists after reflashing firmware, contact support.
9. Sokongan dan Jaminan
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 Maklumat Waranti
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. Sumber Tambahan
For further technical details, community support, and the latest firmware updates, please visit the official LILYGO T-Embed CC1101 GitHub repository:





