Wi-Fi expansion board based on SPWF04SA module for STM32 Nucleo

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  • The X-NUCLEO-IDW04A1 Wi-Fi evaluation board is based on the SPWF04SA module and expands the STM32 Nucleo portfolio. The SPWF04SA module has an embedded STM32 MCU, a low-power Wi-Fi b/g/n SoC with integrated power amplifier and power management, and an SMD antenna. The SPWF04SA module relies on 2 MB MCU internal Flash. 1 MB of the internal Flash is for storing the user file system and to perform secure firmware update over the air (FOTA). A hardware interface allows the use of external memory to extend file system storage capability with no size limit. The firmware includes a complete IP stack, dynamic web pages with SSI to interact with the module and a REST API (get & post) for conveniently transferring files to and from servers in the cloud. The module can simultaneously behave as a socket server and socket client. The firmware supports secure sockets with TLS encryption, ensuring secure end-to-end communications with the cloud. The X-NUCLEO-IDW04A1 interfaces with the MCU on the STM32 Nucleo board via the UART serial port and SPI interface.

    Key Features

    • Based on SPWF04SA Wi-Fi module
    • SPWF04SA module major characteristics:
      • Low power IEEE 802.11 b/g/n transceiver
      • Integrated SMD antenna
      • STM32 ARM Cortex®-M4, with 256 KB SRAM and 2 MB Flash memory
      • 1 MB Flash memory for user storage, extendable via SD/MMC interface or external SPI Flash
      • Integrated protocol stacks: TCP/IP (eight simultaneous TCP/UDP clients and two socket servers supporting up to eight clients each), TLS1.2
      • Application layer functions: web server supporting dynamic web pages
      • Open, WEP, WPA2 Personal, WPA2 Enterprise Security
      • WPS for station
      • System modes: station, IBSS, and miniAP (with up to five client STAs)
      • Firmware and FileSystem updates via UART and (secure) over the air (OTA)
      • 19 configurable GPIOs available
      • Advanced low-power modes
      • Simple AT command set host interface through UART, or equivalent proprietary protocol over SPI
      • Embedded real-time microPython environment for customer applications and on-board development
    • Compatible with STM32 Nucleo boards
    • Equipped both with Arduino® UNO R3 and (optional) ST morpho connector
    • Scalable solution; can cascade multiple boards for larger systems
    • Free development firmware library and examples, compatible with STM32Cube
    • X-NUCLEO-IDW04A1 hosts FCC, IC and CE certified SPWF04SA module
    • RoHS compliant

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Part Number
Marketing Status
Board production status
Budgetary Price (US$)*
Quantity
ECCN (US)
Country of Origin
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Order from ST
X-NUCLEO-IDW04A1
NRND
Temporary out of stock 24.0 1 5A002A1 - No availability of distributors reported, please contact our sales office Buy direct

X-NUCLEO-IDW04A1

Marketing Status

NRND

Board production status

Temporary out of stock

Unit Price (US$)

24.0*

Unit Price (US$)

24

Quantity

1

ECCN (US)

5A002A1

Country of Origin

-

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors

Embedded Software

    • Part Number

      Wi-Fi software expansion for STM32Cube

Evaluation Tools

    • Part Number

      STM32 Nucleo-64 development board with STM32F401RE MCU, supports Arduino and ST morpho connectivity

      STM32 Nucleo-64 development board with STM32F411RE MCU, supports Arduino and ST morpho connectivity

      STM32 Nucleo-64 development board with STM32L476RG MCU, supports Arduino and ST morpho connectivity

00 Files selected for download

Technical Documentation

    • Description Version Size Action
      DB3229
      Wi-Fi expansion board based on SPWF04SA module for STM32 Nucleo
      2.0
      421.84 KB
      PDF
      DB3229

      Wi-Fi expansion board based on SPWF04SA module for STM32 Nucleo

    • Description Version Size Action
      UM2183
      Getting started with the X-NUCLEO-IDW04A1 Wi-Fi expansion board based on SPWF04SA module for STM32 Nucleo
      2.0
      1.63 MB
      PDF
      UM2183

      Getting started with the X-NUCLEO-IDW04A1 Wi-Fi expansion board based on SPWF04SA module for STM32 Nucleo

Presentations & Training Material

    • Description Version Size Action
      X-NUCLEO-IDW04A1 Quick start guide 1.0
      1.32 MB
      PDF

      X-NUCLEO-IDW04A1 Quick start guide

Hardware Resources

    • Description Version Size Action
      X-NUCLEO-IDW04A1 gerber files 1.0
      103.07 KB
      ZIP

      X-NUCLEO-IDW04A1 gerber files

    • Description Version Size Action
      X-NUCLEO-IDW04A1 BOM 1.0
      68.41 KB
      PDF

      X-NUCLEO-IDW04A1 BOM

    • Description Version Size Action
      X-NUCLEO-IDW04A1 schematics 1.0
      198.44 KB
      PDF

      X-NUCLEO-IDW04A1 schematics

Publications and Collaterals

    • Description Version Size Action
      STM32 Open Development Environment Brochure 17.09
      1.21 MB
      PDF

      STM32 Open Development Environment Brochure

Part Number Marketing Status RoHS Compliance Grade Material Declaration**
X-NUCLEO-IDW04A1
NRND
Ecopack2

X-NUCLEO-IDW04A1

Package:

Ecopack2

Material Declaration**:

Marketing Status

NRND

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.