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Glyph-S3 Overview

Overview of Glyph-S3​

Introducing the Glyph-S3, a powerful microcontroller development board based on the ESP32-S3 chip, ideal for AIoT, edge computing, and computer vision applications. With dual-core performance and enhanced peripherals, the Glyph-S3 delivers robust capabilities in a compact footprint.

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  • Dimensions: Measures 50.8mm x 22.8mm x 1.6mm (without headers soldered)

  • Processor: ESP32-S3 dual-core LX7 microprocessor @ 240 MHz, 3.3V logic and power

  • RAM: 512 KB SRAM + 8 MB PSRAM

  • Flash Memory: 4 MB SPI FLASH

  • GPIO: 15 GPIO pins with the following capabilities:

    • 12-bit ADCs
    • I2C
    • SPI
    • UART
    • USB Serial

    All the important peripherals, labeled for easy access.

  • Power Management:

    • USB Type C connector for power, programming, and serial port debugging
    • 3.3V regulator with 600mA peak current output
    • Built-in lipoly/li-ion charger with charging status indicator LED
    • Auto Switch between Battery & USB Power
    • Ability to Measure Battery Capacity
    • Ability to Turn off the battery with the onboard slide switch
    • Reverse Voltage protection with Diode

  • Additional Feature:

    • On-board LED (Connected to GPIO1)
    • On-board GLINK connector for easy integration with QWIIC, STEMMA QT compatible sensors & modules.
    • High Quality Reset and Bootloader button for easy access

Native Bootloader and Programming​

The Glyph-S3 features a built-in USB bootloader that makes programming new firmware easy and keeps the cost of the board down. On first time use, hold down the BOOT button while plugging it into USB, and it will appear as COM PORT in your device Manager. If you face any issue related to hardware not detecting on your system, please check out our troubleshooting guide here.

Connectivity​

The Glyph-S3 excels in connectivity with its built-in Wi-Fi and Bluetooth support. This makes it ideal for IoT applications, where reliable wireless communication is crucial.

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The wireless module on GLYPH board is CE & FCC Certified

Development Support​

The ESP32-S3 Glyph is supported by a variety of development environments, including:

  • Arduino
  • MicroPython
  • ESP-IDF (Espressif IoT Development Framework)
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With extensive library support and a large community, getting started with the Glyph-S3 is straightforward.

Memory and Storage​

While the Glyph ESP32-S3 has 400KB onboard SRAM, it also relies on an external flash chip for program storage. On this board, there is 4 MB of flash memory, which is shared between the code, file storage and OTA.

ESP32-S3 Chip Features​

  • BluFi
  • RF Coexistence
  • ESP-BLE-MESH
  • ESP-WIFI-MESH

You can read more about it in ESP32S3 DATASHEET and ESP32S3 OFFICIAL documentation.