Compact yet feature-rich, the LILYGO T-Embed SI4732 integrates an ESP32-S3 microcontroller, 1.9-inch ST7789 TFT LCD (192x490 resolution), and professional-grade SI4732 global radio receiver into a single development platform. Designed for IoT creators, its modular layout features labeled Grove-compatible GPIOs, TF card slot, and dedicated audio circuits – enabling rapid prototyping of wireless audio projects, industrial controllers, and interactive display systems with unmatched ease.
Core Features
🔊 Studio-Quality Audio Architecture
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ES7210 4-Mic Array with dedicated pins (, , , )
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I2S Speaker Driver (, , )
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SI4732 AM/FM/Shortwave Radio Receiver (supports worldwide bands)
🖥️ High-Resolution Visual Interface
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1.9-inch ST7789 LCD with IPS technology
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Precise control via dedicated pins: , , , , ,
🎚️ Tactile Control Ecosystem
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Mechanical Encoder for menu navigation (, , )
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Programmable APA102 RGB LED (, ) with modes: brightness adjustment / gradient / rotation
🔌 Expandable Connectivity
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JST-GH 1.25mm Connector for sensors/peripherals
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MicroSD (TF) Card Slot for data logging
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Grove I2C Port (, ) and UART pins
⚡ Robust Power Management
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USB Type-C charging (5V/500mA)
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Battery Monitoring via GPIO expander
Technical Specifications
| Parameter | Details |
|---|---|
| MCU | ESP32-S3 Dual-Core |
| Wireless | WiFi 4/Bluetooth LE 5.0 |
| Display | 1.9-inch ST7789 IPS LCD (192x490) |
| Audio Codec | ES7210 (Mic), SI4732 (Radio) |
| GPIO Interfaces | I2C (, ), SPI, I2S |
| USB | Type-C (Power/Programming) |
| Dimensions | Compact PCB layout (exact size N/A)* |
Developer Resources
ℹ️ Product Documentation
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Access pinout diagrams, SI4732 library, and Arduino examples on LILYGO’s GitHub repository.
💻 Technical Support
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Troubleshoot hardware/software issues via LILYGO’s ESP32-S3 developer forums.
What’s in the Box
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T-Embed SI4732 Main Board × 1
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Unsoldered Pin Headers (for GPIO/audio interface customization)
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Online Quick-Start Guide (Radio/Audio SDK setup)
Transform Ideas into Reality
From building internet radios with voice control to creating diagnostic tools with mic-enabled feedback systems, the T-Embed SI4732 merges professional audio processing with versatile ESP32-S3 programmability – all on a single, open-source platform.