LILYGO T-Embed
ESP32-S3 all-in-one media board with 1.9-inch TFT display, rotary encoder, dual microphones, 1W speaker, 7 RGB LEDs, GROVE connector, and LiPo battery support — ideal for audio players and interactive IoT devices.
$22.00
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Specifications
Components
Espressif ESP32-S3 dual-core Xtensa LX7 at 240MHz with WiFi, BLE 5.0, USB OTG, and AI vector extensions.
Sitronix ST7789 TFT LCD driver for the 1.9-inch 170×320 IPS panel.
Analog Devices MAX98357A I2S mono amplifier delivering 1W into 8Ω for the onboard speaker.
Mechanical rotary encoder with 24 detents per revolution and push-button click for menu navigation and control.
Bus Interfaces
GPIO Map
Overview
The LILYGO T-Embed is a purpose-designed all-in-one ESP32-S3 development board built for interactive media and IoT applications. Its defining feature is a 24-detent rotary encoder with push-button confirmation, providing an intuitive physical control interface for audio players, menu navigation, and parameter adjustment. A 1.9-inch ST7789 IPS display (170×320) shows UI and status output, while 7 addressable RGB LEDs create dynamic lighting effects.
Audio capabilities are strong: two MEMS microphones handle voice input and ambient sound detection, while a MAX98357A I2S amplifier drives an 8Ω 1W speaker for audio playback or voice feedback. The board features a 1.25mm JST battery connector with charge/discharge protection, enabling portable operation. A GROVE connector expands the ecosystem with sensors, and a 2.54mm 8-pin GPIO header provides additional I/O breakout.
The T-Embed ships with an ABS+PC housing (also available in translucent), is fully programmable via USB-C, and is supported by Arduino IDE and PlatformIO with extensive examples in the GitHub repository. Popular for DIY internet radios, smart home controllers, and audio-reactive LED projects.
Use Cases
5Music Player
Embedded audio player with speaker output, controls, and display for playing audio files or streaming.
Voice Assistant
Offline and cloud-connected voice assistant, wake-word detection, and speech recognition projects.
Smart Home Dashboard
Wall-mounted or tabletop display showing Home Assistant dashboards, sensor readings, and smart home controls.
Remote Control
IR or RF-based remote control devices for appliances, TVs, air conditioners, and home electronics.
IoT
Internet of Things applications including connected sensors, actuators, and smart devices that communicate over WiFi, BLE, LoRa, or other wireless protocols.
Resources
Where to Buy
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