SKU: IOWC-0704
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Espressif ESP32-S3-MINI-1-N8 Wi-Fi & BLE MCU Module w/ PCB Antenna

₹399.00 (Inclusive of all taxes)
Out of Stock

The Espressif ESP32-S3-MINI-1-N8 is a compact, surface-mount Wi-Fi + Bluetooth LE 5.0 MCU module featuring a dual-core Xtensa LX7 processor, 8 MB SPI flash, and an integrated PCB trace antenna, designed for embedded IoT applications.

Features

  • Dual-Core ESP32-S3 SoC: Features a 240 MHz Xtensa® LX7 dual-core microprocessor with a single-precision FPU for efficient IoT edge processing.
  • Integrated Wireless: Combines 2.4 GHz Wi-Fi (802.11 b/g/n) and Bluetooth LE 5.0 connectivity in a single, compact surface-mount package.
  • Onboard Memory: Includes 384 KB ROM, 512 KB SRAM, 16 KB RTC SRAM, and supports up to 8 MB of Quad SPI flash for application code and data.
  • Compact & Integrated Design: Comes with a built-in PCB trace antenna, simplifying RF design and reducing the overall footprint for space-constrained designs.
  • Low Power Operation: Supports multiple power-saving modes, including deep sleep, for battery-powered IoT sensor nodes and wearables.

Out of stock

Description

The ESP32-S3-MINI-1-N8 module encapsulates the powerful ESP32-S3 chipset into a compact, surface-mount form factor ideal for mass-produced IoT devices. It integrates a dual-core 32-bit LX7 microprocessor capable of running at up to 240 MHz, providing ample processing headroom for complex tasks like TLS encryption, data parsing, and sensor fusion while managing Wi-Fi and BLE stacks.

Its integrated PCB trace antenna eliminates the need for an external antenna connector in many applications, simplifying the RF layout. The module’s 3.0V to 3.6V operating range and comprehensive low-power modes, including deep sleep with RTC memory retention, make it suitable for always-connected, battery-operated endpoints in smart home, wearable, and industrial monitoring systems.

Key Features

  • High-Performance Dual-Core MCU: Xtensa® LX7 dual-core processor running at up to 240 MHz with a single-precision Floating-Point Unit (FPU) for efficient computation.
  • Dual Wireless Connectivity: Integrated 2.4 GHz Wi-Fi supporting 802.11 b/g/n protocols and Bluetooth 5.0 with LE support for versatile communication.
  • Generous Memory Configuration: Combines 384 KB ROM, 512 KB SRAM, 16 KB RTC SRAM, and an onboard 8 MB Quad SPI flash for application storage.
  • Optimized for Production: Surface-mount (SMD) package with an integrated PCB antenna reduces BOM cost and assembly complexity.
  • Rich Peripheral Set: Provides access to a wide array of ESP32-S3 peripherals including SPI, I2C, I2S, UART, ADC, DAC, and capacitive touch sensors.
  • Robust Development Support: Fully supported by Espressif's ESP-IDF, Arduino core, MicroPython, and PlatformIO for rapid firmware development.

Applications

  • Smart Home Automation: Hub-less sensors, smart switches, lighting controllers, and voice-assistant peripherals.
  • Wearable Electronics: Fitness trackers, smart watches, and health monitoring devices leveraging BLE and Wi-Fi.
  • Industrial IoT Sensors: Wireless condition monitoring, equipment telemetry, and predictive maintenance sensors.
  • Consumer Electronics: Connected toys, remote controls, and portable gadgets requiring wireless updates.
  • Embedded Prototyping: Foundation for custom PCB designs requiring a certified, production-ready wireless MCU module.

Technical Specifications

Microcontroller/SoCEspressif ESP32-S3 (Xtensa® dual-core LX7, up to 240 MHz)
Wireless ProtocolsWi-Fi 802.11 b/g/n, Bluetooth 5.0 (LE)
Frequency Range2.4 GHz
Data RateUp to 150 Mbps
Supply Voltage3.0V to 3.6V
Operating CurrentVaries with mode (Active, Modem-sleep, Light-sleep, Deep-sleep)
Antenna ConnectorIntegrated PCB Trace Antenna
SPI Flash8 MB (Quad SPI)
SRAM512 KB + 16 KB RTC
ROM384 KB
Mounting TypeSurface Mount (SMD)
Operating TemperatureStandard commercial range (typically -40°C to +85°C)
DimensionsApprox. 13 x 16 mm (module specific)

Frequently Asked Questions

What is the main difference between the ESP32-S3-MINI-1 and a standard ESP32-S3 DevKit?

The ESP32-S3-MINI-1 is a compact, surface-mount module designed for embedding directly onto a product's PCB, featuring an integrated antenna and flash memory. A DevKit is a development board with USB, GPIO breakouts, and buttons for prototyping. The MINI module is the production-ready core component you would solder onto your final custom design, while the DevKit is used for initial software development and testing.

Can I use an external antenna with the ESP32-S3-MINI-1-N8 module?

The ESP32-S3-MINI-1-N8 variant comes with a pre-configured, integrated PCB trace antenna and does not have an external antenna connector like an IPEX or SMA port. To use an external antenna, you would need to select a different module variant from Espressif (e.g., ESP32-S3-MINI-1U) that is designed with an antenna pad or connector, or design a custom RF matching network on your host PCB to disconnect the trace antenna and route to an external connector.

How do I program and develop firmware for this module?

You develop firmware using Espressif's official ESP-IDF framework, the Arduino core for ESP32-S3, or MicroPython. Programming typically requires an external USB-to-serial adapter (like an FTDI chip) connected to the module's UART0 pins (GPIO43=TX, GPIO44=RX) and GPIO0 for boot mode selection. You'll also need to provide a stable 3.3V power supply. The module enters download mode when GPIO0 is pulled low during reset, allowing you to flash new firmware via the serial connection.

What is the power consumption of this module in deep sleep mode?

The ESP32-S3-MINI-1, like the core ESP32-S3 chip, supports ultra-low-power deep sleep modes. With the RTC peripherals and memory powered down, typical deep sleep current can be as low as 5-10 µA. However, the exact consumption depends on your specific configuration, such as which RTC peripherals (e.g., ULP processor, sensors, GPIO wake-up) are kept active. Consult the official ESP32-S3 technical reference manual for detailed power profiling under different sleep scenarios.

Package Includes

  • 1 x Espressif ESP32-S3-MINI-1-N8 Module

Additional Information

Weight 0.015 kg
Dimensions 10 × 7 × 2 cm