STMicroelectronics Discovery Kit B-L475E-IOT01A2

Part NumberB-L475E-IOT01A2

The B-L475E-IOT01A Discovery kit for IoT node allows users to develop applications with direct connection to cloud servers.


China PCB Prototype and Fabrication Manufacturer

Detailed Description

The Discovery 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.

STMicroelectronics Discovery Kit B-L475E-IOT01A2

Key Features:

  • Ultra-low-power STM32L4 Series MCUs based on ARM Cortex -M4 core with 1 Mbyte of Flash memory and 128 Kbytes of SRAM, in LQFP100 package
  • 64-Mbit Quad-SPI (Macronix) Flash memory
  • Bluetooth V4.1 module (SPBTLE-RF)
  • Sub-GHz (868 MHz) low-power-programmable RF module (SPSGRF-868)
  • Wi-Fi module Inventek ISM43362-M3G-L44 (802.11 b/g/n compliant)
  • 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)
  • 260-1260 hPa absolute digital output barometer (LPS22HB)
  • Time-of-Flight and gesture-detection sensor (VL53L0X)
  • 2 push-buttons (user and reset)
  • USB OTG FS with Micro-AB connector
  • Expansion connectors:
    • Arduino Uno V3
    • PMOD
  • Flexible power-supply options:
    • ST LINK USB VBUS or external sources
    • On-board ST-LINK/V2-1 debugger/programmer with USB re-enumeration capability: mass storage, virtual COM port and debug port
  • Comprehensive free software HAL library including a variety of examples, as part of the STM32Cube package
  • Support of a wide choice of Integrated Development Environments (IDEs) including IAR , Keil , GCC-based IDEs, ARM mbed Enabled
  • ARM mbed Enabled

Development board User Guide and Schematic Diagram

Main Features of Kit or Board

Base componentSTMicroelectronics
Category, bit32-bit
Supported familiesCortex-M4
Board peripherals
  • I/O pins
  • I2C interface
  • SPI
  • USB
  • Flash
  • Bluetooth
  • accelerometer
  • pressure sensor
  • gyroscope
  • Wi-Fi
  • ISM Transceiver
  • analog inputs
  • temperature sensor
  • humidity sensor
  • ranging sensor
  • audio in/out
  • user buttons
  • user LEDs

Other Names:

BL475EIOT01A2, B L475E IOT01A2

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