T-Embed CC1101

Overview

LILYGO T-Embed CC1101 is a highly integrated IoT development board based on ESP32-S3 (dual-core LX7). Integrates Sub-GHz CC1101 wireless, NFC PN532, infrared remote control, Wi-Fi/Bluetooth 5.0, a 1.9-inch ST7789V IPS TFT (320 × 170), rotary encoder, 8 programmable WS2812 RGB LEDs, microphone, speaker, TF card, and BQ25896/BQ27220 battery management. Ideal for smart home control centers, environmental monitoring, and educational IoT prototyping with a compact, multi-protocol design.

Quick Start

Example Support

Example	PlatformIO/Arduino	ESP-IDF	Description
T-Embed-CC1101	✓		CC1101, NFC, IR, display, audio examples

PlatformIO

1. Install Visual Studio Code and Python
2. Search for and install the PlatformIO IDE extension in VS Code
3. Open the T-Embed-CC1101 project folder
4. Open platformio.ini and select your example
5. Click ✓ to compile, connect via USB-C, click → to upload

Arduino

1. Install Arduino IDE
2. Install Arduino ESP32
3. In Tools → Board, configure:

Arduino IDE Setting	Value
Board	ESP32S3 Dev Module
Port	Your port
USB CDC On Boot	Enable
CPU Frequency	240 MHz (WiFi)
Core Debug Level	None
USB DFU On Boot	Disable
Erase All Flash Before Sketch Upload	Disable
Events Run On	Core1
Flash Mode	QIO 80 MHz
Flash Size	16MB (128Mb)
Arduino Runs On	Core1
USB Firmware MSC On Boot	Disable
Partition Scheme	16M Flash (3MB APP/9.9MB FATFS)
PSRAM	OPI PSRAM
Upload Mode	UART0/Hardware CDC
Upload Speed	921600
USB Mode	CDC and JTAG

4. Click Upload

Development Platforms

1. ESP-IDF
2. Arduino IDE

Video

Key Features

• ESP32-S3 dual-core LX7 @ 240 MHz, Wi-Fi + Bluetooth 5.0
• CC1101 Sub-GHz wireless module
• PN532 NFC module
• Infrared remote control
• 1.9-inch ST7789V IPS TFT (320 × 170), LVGL UI
• Rotary encoder, 8 × WS2812 RGB LEDs
• Microphone + speaker, TF card slot
• BQ25896 + BQ27220 battery management, 1300 mAh Li-Po
• 2 × QWIIC interfaces

Product Parameters

Feature	Specification
MCU	ESP32-S3 @ Dual-core LX7, 240 MHz
Flash	16 MB
PSRAM	8 MB
Wi-Fi	2.4 GHz 802.11 b/g/n
Bluetooth	Bluetooth 5.0 LE
Sub-GHz	CC1101
NFC	PN532
Display	1.9-inch ST7789V IPS TFT, 320 × 170
RGB LED	WS2812 × 8
Battery IC	BQ25896 + BQ27220
Battery	3.7 V 1300 mAh
Storage	TF card slot
USB	1 × Type-C
Expansion	2 × QWIIC
Dimensions	97.5 × 39 × 31 mm

Pin Diagram

Dimension Diagram

Schematic

• T-Embed-CC1101 V1.0 Schematic

Datasheet

• PN532
• BQ25896
• BQ27220
• CC1101

Software Development

• T-Embed-CC1101 GitHub Repository

Dependent Libraries

• RadioLib
• PN532
• XPowersLib
• TFT_eSPI
• RotaryEncoder
• FastLED
• IRremoteESP8266
• ESP32-audioI2S
• LVGL

FAQ

Version History

Version	Release Date	Update Description
T-Embed CC1101 V1.0	2024-07-29	Initial version