STEVAL-IDI004V2

The STEVAL-IDI004V2 wireless bridge evaluation kit is an Internet of Things (IoT) Home Bridge which supports the Wi-Fi, Sub-GHz, Bluetooth and NFC communication protocols. The device is suitable for various smart home, smart city and industrial applications.

The system uses an STM32F103 microcontroller as a bridge between the various communications modules. The Wi-Fi, Bluetooth and Sub-GHz certified modules are connected through a UART interface to the STM32 microcontroller. The NFC transceiver module is connected through an SPI interface.

• STM32F103 microcontroller as bridge between communication protocols
• SPWF01SA.11 module for Wi-Fi communication:
  • 2.4 GHz IEEE 802.11 b/g/n Wi-Fi
  • Pre-certified RF module (FCC, IC, CE)
  • Integrated TCP/IP
  • AT commands
  • TLS/SSL for end-to-end security
  • Over-the-air firmware updates
• SP1ML-868 module for Sub-GHz RF communication:
  • 868 MHz ETSI-certified module
  • Based on Sub-GHz SPIRIT1 transceiver, STM32L1 ULP MCU and balun (BALF-SPI-01D3)
  • Chip antenna
  • Simple AT commands
• SPBT2632 module for Bluetooth communication:
  • Bluetooth® Classic 3.0 version
  • AT commands
  • CE, FCC, IC, TELEC certified
  • Low-power mode supported
• Supports NFC communication with the CR95HF and 13.56 MHz inductive etched antenna
• Configuration using a PC GUI (by request) through USB VCOM
• Android application to access sensor node data via Blue