STMicroelectronics Discovery Node A2 868MHz Bluetooth Smart (BLE), Near Field Communication (NFC), RF Transceiver, WiFi

Technical Reference
Legislation and Compliance
RoHS Certificate of Compliance
Product Details

B-L475E-IOT01A IoT node Discovery Kit

The B-L475E-IOT01A Discovery kit allows users to develop applications featuring direct connection of wireless IoT sensors to cloud servers. It is supported by a wide range of Integrated Development Environments (IDEs) including IAR™, Keil® and GCC-based IDEs.

Board Features

• STM32L475VG low-power Cortex-M4 core MCU with 1MB Flash memory, 128KB SRAM
• On-board MX25R6435F 64Mbit Quad-SPI Flash memory
• On-board ST-LINK/V2-1 debug/programmer via USB micro-AB socket
• On-board SPBTLE-RF Bluetooth 4.1 RF module
• On-board SPSGRF 868MHz (RS 134-5559) or 915MHz (RS 134-5558) RF module
• On-Board ISM43362-M3G-L44 WiFi RF module (IEEE 802.11 b/g/n compliant)
• On-board M24SR64-Y Dynamic NFC tag with PCB antenna
• 2 x MP34DT01 MEMS microphones
• HTS221 Relative Humidity and Temperature sensor
• LIS3MDL 3-axis Magnetometer
• LSM6DSL 3-axis Accelerometer/Gyroscope
• LPS22HB 260-1260hPa Barometer
• VL53L0X Time-of-Flight and Gesture-Detection sensor
• Reset pushbutton
• Wake-Up/User pushbutton
• 2 x User LEDs
• USB OTG FS via micro-AB socket
• Arduino v3 Shield connectors
• Pmod™ 12-pin expansion connector
• Power supplies: USB STLINK, USB FS, Arduino, USB Charger or Battery
• ARM mbed™ -Enabled (see

RS Product Codes

134-5559 B-L475E-IOT01A2 with 868MHz RF module
134-5558 B-L475E-IOT01A1 with 915MHz RF module

STMicroelectronics Development Kit

The STMicroelectronics development discovery kit is an 868MHz for Arduino, internet of things. The IoT node allows users to develop applications with a direct connection to cloud servers. This kit enables a wide diversity of applications by exploiting low power communication, multiway sensing and Arm Cortex -M4 core-based STM32L4 series features. The support for Arduino Uno V3 and PMOD connectivity provides unlimited expansion capabilities with a large choice of specialized add-on boards.

Features and Benefits

• Consist of 1Mbyte of flash memory and 128Kbytes of SRAM
• 64-Mbit Quad-SPI (Macronix) Flash memory
• Bluetooth V4.1 module (SPBTLE-RF)
• Dynamic NFC tag based on M24SR with its printed NFC antenna
• 2 digital omnidirectional microphones (MP34DT01)
• Capacitive digital sensor for relative humidity and temperature (HTS221)
• High-performance 3-axis magnetometer (LIS3MDL)
• 3D accelerometer and 3D gyroscope (LSM6DSL)
• Time-of-flight and gesture detection sensor (VL53L0X)
• 2 push buttons (user and reset)
• USB OTG FS with Micro-AB connector
• Low-power-programmable RF module
• 802.11 b/g/n compliant Wi-Fi® module from Inventek Systems
• 260-1260 hPa absolute digital output barometer (LPS22HB)


• IoT
• Wireless communication
• Embedded systems


• ANSI/ESD S20.20:2014
• BS EN 61340-5-1:2007

Wireless Modules - STMicroelectronics

Attribute Value
RF Technology Bluetooth Smart (BLE), Near Field Communication (NFC), RF Transceiver, WiFi
Kit Classification Development Kit
For Use With Arduino, Internet of Things
Featured Device STM32L475VG
Kit Name Discovery Node A2
Frequency 868MHz
31 In stock for delivery within 1 working days
Price Each
kr 485,34
(exc. VAT)
kr 606,68
(inc. VAT)
Per unit
1 +
kr 485,34
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