SKU: IOWC-1235
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M5Stack M5Stamp ESP32S3 Module w/ 8MB Flash & 3D Antenna

₹1,209.00 (Inclusive of all taxes)
Out of Stock

The M5Stack M5Stamp ESP32S3 is a compact, surface-mount IoT controller module based on the ESP32-S3FN8 SoC, featuring dual-core 240MHz processing, 8MB flash, integrated 2.4GHz Wi-Fi with a 3D antenna, and 23 GPIOs accessible via 1.27mm/2.54mm pitch pads for SMT, DIP, or flying wire connections.

Features

  • Powered by Espressif ESP32-S3FN8 dual-core LX7 processor (up to 240MHz) with 2.4GHz Wi-Fi and 8MB SPI flash for robust IoT edge computing.
  • Integrated 2.4G 3D antenna and onboard 5V-to-3.3V LDO ensures stable wireless connectivity and power regulation from a single 5V input.
  • Features 23 accessible GPIOs with dual 1.27mm and 2.54mm pad spacing, supporting SMT, DIP header, or direct wire attachment for flexible PCB integration.
  • Includes a programmable RGB status LED and user button for system feedback and control, compatible with UIFlow, Arduino IDE, and ESP-IDF.
  • Ultra-compact form factor with low power consumption modes, ideal for embedding into space-constrained smart home, wearable, or medical devices.

Out of stock

Description

The M5Stack M5Stamp ESP32S3 is a highly integrated, stamp-sized embedded controller designed for direct PCB integration in IoT products. It leverages the Espressif ESP32-S3FN8 chip, providing a dual-core Xtensa LX7 CPU capable of 240MHz operation alongside 2.4GHz Wi-Fi connectivity. The module includes an onboard 3D antenna and a power management circuit that accepts a 5V supply, simplifying system design.

Engineered for flexible deployment, the module exposes 23 GPIOs from the ESP32-S3 via solder pads with both 1.27mm and 2.54mm spacing. This allows developers to choose surface-mount (SMT) soldering, through-hole DIP headers, or direct flying wire connections based on production volume and prototyping needs. The integrated RGB LED and programmable button provide immediate user interface capabilities without external components.

Key Features

  • Core ESP32-S3FN8 SoC with dual-core 240MHz processor and 2.4GHz Wi-Fi for high-performance IoT tasks.
  • 8MB SPI flash memory provides ample space for application code, filesystems, and OTA updates.
  • Integrated 2.4G 3D antenna eliminates the need for an external antenna, optimizing RF performance in compact designs.
  • Onboard 5V-to-3.3V LDO regulator enables direct powering from common USB or 5V power sources.
  • 23 multifunction GPIOs (including UART, I2C, SPI, I2S, PWM) accessible via dual-pitch (1.27mm/2.54mm) solder pads.
  • Programmable RGB LED and tactile button for system status indication and user input.
  • Supports UIFlow graphical programming, Arduino IDE, ESP-IDF, and MicroPython for rapid development.
  • Ultra-low power consumption with multiple sleep modes for battery-powered applications.

Applications

  • Embedded controller for smart home automation devices (sensors, switches, hubs).
  • Wearable electronics and portable medical monitoring equipment.
  • Industrial IoT (IIoT) telemetry nodes and wireless sensor modules.
  • Prototyping and product integration for space-constrained consumer electronics.
  • Educational kits for learning embedded systems, Wi-Fi connectivity, and IoT protocols.

Technical Specifications

Microcontroller/SoCEspressif ESP32-S3FN8 (Xtensa LX7 Dual-Core)
Wireless Protocols2.4GHz Wi-Fi (802.11 b/g/n)
Flash Memory8MB SPI Flash
Supply Voltage5V DC (via onboard LDO)
GPIO Interfaces23 accessible pins (UART, I2C, SPI, I2S, ADC, PWM)
Antenna ConnectorIntegrated 2.4G 3D Antenna
Connection MethodSMT pads, DIP headers (1.27mm/2.54mm pitch), Jump Wire
Operating Temperature0°C to 40°C
Dimensions (Shipping)Approx. 10cm x 7cm x 2cm (package)

Frequently Asked Questions

How do I power the M5Stamp ESP32S3 module?

The module includes an onboard 5V-to-3.3V regulator. Apply a stable 5V DC power source to the designated 5V and GND pads. Do not apply 3.3V directly to the 5V input, as this will bypass the regulator and may not provide sufficient voltage for stable operation. Typical current draw during active Wi-Fi transmission can reach several hundred milliamps.

What development frameworks are supported for programming this module?

The module is fully compatible with the Arduino IDE using the ESP32 board package, Espressif's official ESP-IDF, and MicroPython. For graphical programming, M5Stack's UIFlow (based on Blockly and MicroPython) is also supported. You will need a USB-to-serial adapter connected to the module's U0TXD and U0RXD pins for flashing and serial communication.

Can I use an external antenna instead of the built-in 3D antenna?

No, the M5Stamp ESP32S3 module features a permanently integrated 2.4G 3D antenna. The RF path is not designed for an external antenna connector. The integrated antenna provides adequate range for most indoor and short-range IoT applications. For projects requiring extended range, consider a module variant with an external antenna port.

What are the available GPIO pins and their functions?

The module breaks out 23 GPIO pins from the ESP32-S3FN8. These include multiple UART, I2C, SPI, and I2S interfaces, up to 15 ADC channels, PWM outputs, and touch sensor inputs. The specific pin functions are defined in the ESP32-S3 datasheet and can be remapped in software. The pins are accessible via the dual-pitch (1.27mm and 2.54mm) solder pads surrounding the module's edge.

Package Includes

  • 1 x M5Stamp ESP32S3 Module
  • 1 x HY2.0-4P Terminal Connector
  • 1 x 2.54-9P Header
  • 1 x 2.54-6P Header
  • 1 x Hex Key
  • 1 x User Manual

Additional Information

Weight 0.015 kg
Dimensions 10 × 7 × 2 cm