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LILYGO T-RGB ESP32-S3 2.8 inch LCD Touch Round Display ST7701S Screen ESP32-S3R8 Development Board: Advanced Hardware Analysis

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Product Introduction

The LILYGO T-RGB ESP32-S3 development board addresses the growing demand for compact, interactive, and wirelessly connected solutions in the IoT and embedded systems market. Its unique selling proposition lies in combining the robust processing power of the ESP32-S3 with a vibrant 2.8-inch round LCD touch display, offering an intuitive human-machine interface (HMI) out-of-the-box. This board is meticulously designed for developers and enthusiasts looking to create advanced user interfaces, innovative wearable technology, smart home controllers, or portable display terminals for demonstration and practical applications. Check out our other technical reviews for more hardware testing.

Technical Support & Resources

Sample Code For Reference:

  • LILYGO T-RGB ESP32-S3 2.8 inch LCD Touch Round Display ST7701S Screen ESP32-S3R8 Development Board: Advanced Hardware Analysis
  • LILYGO T-RGB ESP32-S3 2.8 inch LCD Touch Round Display ST7701S Screen ESP32-S3R8 Development Board: Advanced Hardware Analysis
  • LILYGO T-RGB ESP32-S3 2.8 inch LCD Touch Round Display ST7701S Screen ESP32-S3R8 Development Board: Advanced Hardware Analysis
    • Hardware specifications

    Core Specifications: LILYGO T-RGB ESP32-S3 2.8 inch LCD Touch Round Display ST7701S Screen ESP32-S3R8 Development Board

    • MCU/SoC: ESP32-S3R8 (ESP32-S3, Dual-core LX7 processor with AI instruction support)
    • Memory: 512 KB Internal SRAM, 8 MB PSRAM (integrated in module), 16 MB External Quad SPI Flash (typical)
    • Display: 2.8-inch LCD Touch Round Display, ST7701S driver (RGB interface)
    • UI: Capacitive touch layer, potential for user-defined physical buttons (typical for LILYGO)
    • Power: USB Type-C, LiPo 1S battery support (anticipated JST 1.25mm 2-pin connector), integrated PMU (e.g., IP5306) for charging and power management
    • Wireless: Wi-Fi (2.4 GHz, integrated in ESP32-S3), Bluetooth (BLE 5.0, integrated in ESP32-S3)
    • Storage: TF Card (MicroSD) slot for expanded data storage
    • Antenna: Integrated PCB antenna or IPEX/U.FL connector for external Wi-Fi/Bluetooth antenna
    Available Versions

    Available Versions & Selection Guide

    The core version discussed is the T-RGB 2.8 Inch, featuring the ESP32-S3R8 with a 2.8-inch round LCD touch display and ST7701S driver. This specific model does not include LoRa functionality. While LILYGO is known for offering various SKUs with LoRa (433/868/915 MHz), GPS, or other modules, this particular product focuses on its display and standard wireless capabilities.

    Package Contents

    What’s in the Box?

    The standard package is expected to include the LILYGO® T-RGB ESP32-S3 2.8 Inch LCD Touch Round Display development board, a USB-C cable, and possibly wires for battery connection (if JST connector is present). An external Wi-Fi/Bluetooth antenna may also be included if an IPEX connector is featured on the board. Additional accessories such as screws or standoffs are typically optional.

    Features and benefits

    Why I love LILYGO T-RGB ESP32-S3 2.8 inch LCD Touch Round Display ST7701S Screen ESP32-S3R8 Development Board

    • The powerful ESP32-S3R8 MCU provides a dual-core LX7 processor with AI instruction support, 512KB SRAM, and an impressive 8MB of PSRAM, enabling the execution of complex applications and advanced graphical user interfaces without performance bottlenecks.
    • The integrated 2.8-inch round LCD touch display with ST7701S driver offers a complete human-machine interface solution, allowing for the creation of visually appealing and highly interactive projects, crucial for modern embedded systems and wearables.
    • Robust wireless connectivity through built-in Wi-Fi and Bluetooth (likely BLE 5.0) ensures seamless integration into smart home ecosystems, IoT networks, and various wireless communication scenarios.
    • The TF card slot significantly enhances the board’s expandability, providing ample storage for logs, media files, extensive UI assets, or even large datasets required for AI/ML applications.
    • Benefitting from the established LILYGO ecosystem, developers can expect access to community support, code examples, and potentially schematics, accelerating the development process and reducing time-to-market for innovative projects.
    Pros and Cons

    Strengths & Weaknesses:

    What I Like

    • High-performance ESP32-S3R8 MCU with dual-core LX7, AI support, and abundant memory (8MB PSRAM)
    • Integrated 2.8-inch round touch display for intuitive and attractive user interfaces
    • Built-in Wi-Fi and Bluetooth for versatile wireless communication
    • TF card slot for easily expandable storage
    • Part of the LILYGO ecosystem, suggesting good community support and documentation

    Points to Consider

    • Absence of LoRa module, which is a common feature in many LILYGO boards and might be missed by some users
    • Incomplete product specifications in the listing (e.g., precise Flash volume, PMU chip details, exact number of user buttons) requires external research
    • Very limited user reviews make it difficult to assess long-term reliability and common issues
    • The ST7701S display driver, while powerful, might require a deeper understanding of low-level graphics programming for optimal utilization
    Price and Availability

    Where to Buy & Customer Reviews

    Check Price on AliExpress (Best Value)

    AliExpress

    Find on eBay (New & Used)

    ebay

    As an Amazon Associate, eBay Partner, and AliExpress affiliate, I may receive compensation if you make a purchase through the links on this page at no extra cost to you. This supports my technical reviews and independent hardware testing.

    User reviews

    User Reviews & Feedback Analysis ⭐ 5.0 (3)

    5 Stars 5

    Authentic Feedback Analysis:

    Authentic Feedback Analysis:
    ⭐ 5/5 | AliExpress Shopper: It arrived safely. When connected to power, the clock screen appears, and I will use it where I intended after updating the firmware.
    ⭐ 5/5 | AliExpress Shopper
    ⭐ 5/5 | AliExpress Shopper

  • LILYGO T-RGB ESP32-S3 2.8 inch LCD Touch Round Display ST7701S Screen ESP32-S3R8 Development Board: Advanced Hardware Analysis 4 | andibond.com
  • LILYGO T-RGB ESP32-S3 2.8 inch LCD Touch Round Display ST7701S Screen ESP32-S3R8 Development Board: Advanced Hardware Analysis 6 | andibond.com
    • Comparison table

    Technical Specifications & Comparison: LILYGO T-Embed SI4732 ESP32-S3 Radio Dev Board

    FeatureLILYGO® T-RGB ESP32-S3Alternative (Generic ESP32-S3 Dev Board)
    MCU/SoCESP32-S3R8 (Dual-core LX7, AI support)ESP32-S3
    Internal SRAM512 KB512 KB
    PSRAM8 MB2-8 MB
    Flash Memory16 MB (typical)4-16 MB
    Display Type2.8-inch Round LCD TouchRectangular LCD/OLED
    Display DriverST7701SVarious (e.g., ST7789, GC9A01)
    WirelessWi-Fi, Bluetooth BLE 5.0Wi-Fi, Bluetooth BLE 5.0
    LoRa SupportNoOptional (often available)
    External StorageTF Card SlotTF Card Slot (common)
    Power InputUSB Type-C, LiPo 1SUSB Type-C, LiPo 1S
    Final summary

    Final Verdict: LILYGO T-RGB ESP32-S3 2.8 inch LCD Touch Round Display ST7701S Screen ESP32-S3R8 Development Board Review

    The LILYGO T-RGB ESP32-S3 is a compelling development board perfectly suited for projects demanding a sophisticated visual interface and powerful processing capabilities. While the absence of LoRa might be a minor drawback for specific long-range applications, its high-performance ESP32-S3R8, coupled with an integrated round touch display and robust wireless connectivity, makes it an excellent choice for creating interactive UIs, smart wearables, and advanced IoT devices. Despite the limited initial user feedback, its core strengths offer significant value for hobbyists and professionals prioritizing display-centric and graphically rich applications, easily outshining any minor informational gaps. Visit andibond.com for more.

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