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X-NUCLEO-IDW01M1：Wi-Fi expansion board based on SWPF01SA module for STM32 Nucleo

The X-NUCLEO-IDW01M1 is a Wi-Fi evaluation board based on the SPWF01SA module, which expands the STM32 Nucleo boards. The CE, IC and FCC certified SPWF01SA 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 SPWF01SA module is also equipped with 1 MByte of external FLASH for firmware update over-the-air (FOTA). The firmware features a complete software IP stack to open up to 8 TCP/UDP sockets, as well as dynamic web pages with SSI to interact with the module and a REST API (get & post) for conveniently transferring files to/from servers in the cloud. The module can simultaneously behave as a socket server and socket client. The firmware supports secure sockets with TLS/SSL encryption, ensuring secure end-to-end communications with the cloud, with or without authentication. The module operates as a client STA, IBSS, or miniAP (with up to 5 client STAs). The X-NUCLEO-IDW01M1 interfaces with the MCU on the STM32 Nucleo board via the UART serial port; the user can easily access the stack functions using the AT command. X-NUCLEO-IDW01M1 is compatible with both the ST morpho and Arduino UNO R3 connector layout.

Key Features

• X-NUCLEO-IDW01M1 hosts FCC, IC and CE certified SPWF01SA module (FCC ID: VRA-SG9011203, IC: 7420A-SG9011203 and ETSI compliant)
• SPWF01SA module major characteristics:
  • low power IEEE 802.11 b/g/n transceiver
  • integrated SMD antenna
  • STM32 ARM Cortex-M3, with 64 KB RAM and 512KB FLASH memory
  • 1 MByte extended flash for FW update over the air (FOTA)
  • integrated protocol stacks: TCP/IP, TLS/SSL
  • application layer functions: web server supporting dynamic web pages, REST API to get & post web content
  • WEP/WPA/WPA2 personal security
  • system modes: station, IBSS, and miniAP
  • 16 configurable GPIOs available
  • simple AT command set host interface through UART
• compatible with STM32 Nucleo boards
• equipped both with ST morpho connector and Arduino UNO R3 connectors
• scalable solution; it can cascade multiple boards for larger systems
• free development firmware library and examples, compatible with STM32Cube
• RoHS compliant

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