LilyGO T-Keyboard S3 Pro ESP32-S3 Modular Dev Board w/ TFT Screens
LilyGO T-Keyboard S3 Pro ESP32-S3 Modular Dev Board w/ TFT Screens - Image 2
LilyGO T-Keyboard S3 Pro ESP32-S3 Modular Dev Board w/ TFT Screens - Image 3
SKU: IOWC-1108
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LilyGO T-Keyboard S3 Pro ESP32-S3 Modular Dev Board w/ TFT Screens

₹7,239.00 (Inclusive of all taxes)
Out of Stock

The LilyGO T-Keyboard S3 Pro is a modular ESP32-S3R8 development board featuring 2.4GHz Wi-Fi and Bluetooth 5 (LE) connectivity, designed for Arduino IDE development. It integrates five 0.85-inch TFT screens and magnetic connectors for building expandable IoT interfaces and portable devices.

Features

  • ESP32-S3R8 Dual-Core Processor: Powers 2.4GHz Wi-Fi and Bluetooth 5 (LE) connectivity for robust wireless IoT applications.
  • Modular Magnetic Expansion: Connect up to six units in a 2×3 grid for scalable, multi-display interfaces.
  • Five 0.85-Inch TFT Screens: Each offers 128×128 resolution; one screen position is optionally replaceable with a rotary encoder.
  • Generous Memory & RGB Lighting: Equipped with 16MB Flash, 8MB PSRAM, and 14 programmable RGB LEDs for data-intensive and visually interactive projects.
  • Arduino IDE Compatible: Streamlines firmware development with full library support for rapid prototyping.

Out of stock

Description

The LilyGO T-Keyboard S3 Pro is a uniquely modular development platform built around the Espressif ESP32-S3R8 microprocessor. Its core architecture provides dual-core processing power alongside integrated 2.4GHz Wi-Fi and Bluetooth 5 (LE), enabling sophisticated wireless communication for IoT nodes, interactive dashboards, and portable gadgets. The board’s defining feature is its magnetic connector system, allowing physical and electrical daisy-chaining of up to six units to create expansive, tiled display arrays or complex input matrices.

Each unit integrates five high-resolution 0.85-inch TFT LCD screens, offering a compact yet information-rich visual interface. The design includes flexibility, as one screen position can be swapped for a rotary encoder, adding tactile control. With 14 individually addressable RGB LEDs, 16MB of flash storage, and 8MB of PSRAM, the board supports memory-intensive graphics and multi-tasking applications. Its 5V power input and broad operating temperature range ensure reliability for both indoor prototyping and more demanding deployment environments.

Key Features

  • Modular Magnetic Expansion: Seamlessly connect multiple boards via magnetic pogo-pin connectors to scale your project's interface and I/O.
  • High-Density TFT Display Array: Five independent 128x128 TFT screens provide ample space for status readouts, graphs, or menu navigation.
  • Configurable Input Options: Optional rotary encoder replacement for one screen adds precise rotational control for parameter adjustment.
  • Dynamic RGB LED Feedback: 14 programmable RGB LEDs enable visual notifications, animations, and system state indicators.
  • Enhanced Memory for Graphics: 8MB PSRAM significantly boosts performance for driving multiple displays and handling graphical assets.
  • Robust Wireless Connectivity: Integrated Wi-Fi and BLE 5.0 support local networking, cloud data exchange, and smartphone peripheral communication.
  • Developer-Friendly Ecosystem: Full compatibility with Arduino IDE and ESP-IDF accelerates firmware development and deployment.

Applications

  • Modular IoT Control Panels: Build scalable dashboards for smart home automation, industrial monitoring, or data visualization walls.
  • Portable Gaming & Media Devices: Create handheld consoles or media players with tiled displays and wireless connectivity.
  • Interactive Prototyping & Art: Develop interactive installations, wearable tech, or educational tools with visual and tactile feedback.
  • Wireless Sensor Hubs: Serve as a central node displaying data from multiple BLE or Wi-Fi sensors in environmental or telemetry systems.

Technical Specifications

Microcontroller / SoCESP32-S3R8 (Dual-core Xtensa LX7)
Wireless Protocols2.4GHz Wi-Fi 4, Bluetooth 5.0 (LE)
Flash Memory16 MB
PSRAM8 MB
Display5x 0.85-inch TFT LCD, 128x128 resolution
Programmable LEDs14x RGB LEDs
Expansion InterfaceMagnetic pogo-pin connectors
Supply Voltage5V via USB Type-C
Operating Current250mA to 500mA (typical)
Operating Temperature-40°C to +85°C
Development PlatformArduino IDE, ESP-IDF

Frequently Asked Questions

How do I program the LilyGO T-Keyboard S3 Pro, and what software is required?

You program the board using the Arduino IDE with ESP32 board support installed. First, add the ESP32 board manager URL to the Arduino IDE preferences. Then, install the ESP32 platform via Boards Manager. Select 'ESP32S3 Dev Module' as your target, configure the flash size and PSRAM settings appropriately, and you can begin uploading sketches. The board is also compatible with Espressif's official ESP-IDF framework for more advanced development.

How does the magnetic expansion work, and how many units can be connected?

The board features magnetic pogo-pin connectors on its sides, allowing physical attachment and electrical connection without soldering. These connectors carry power, ground, and serial communication lines (I2C/SPI). You can daisy-chain up to six units in a 2x3 grid configuration. Your firmware must manage addressing for displays and inputs across the array, typically using I2C bus or GPIO expansion techniques.

Can I replace a TFT screen with the rotary encoder, and how is it connected?

Yes, one of the five TFT screen positions is designed to be optionally replaced with an included rotary encoder module. It connects via the same dedicated socket, providing rotational input and a push-button function. In your code, you will read the encoder's pulses and switch state via GPIO pins, which are internally routed to that socket, allowing for precise menu navigation or parameter control.

What is the power requirement, and can it be battery-powered?

The board requires a 5V DC supply, typically provided via the onboard USB Type-C port with a current draw between 250mA and 500mA depending on display and LED activity. For battery operation, you can use a 3.7V Li-Po battery connected to a boost converter to provide a stable 5V input. Ensure your power source can deliver sufficient current, especially when driving all five displays and RGB LEDs simultaneously.

Package Includes

  • 1 x LilyGO T-Keyboard S3 Pro Development Board
  • 1 x USB A to Type-C Cable

Additional Information

Weight 0.265 kg
Dimensions 10 × 19 × 6 cm

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