STM32L4 Discovery kit IoT node, low-power wireless, BLE, NFC, SubGHz, Wi-Fi

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

    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.

    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 or 915 MHz) low-power-programmable RF module (SPSGRF-868 or SPSGRF-915)
    • 802.11 b/g/n compliant Wi-Fi® module from Inventek Systems (ISM43362-M3G-L44)
    • 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 MCU Package
    • Support of a wide choice of Integrated Development Environments (IDEs) including IAR, Keil®, GCC-based IDEs, Arm® Mbed Enabled
    • Arm® Mbed online (see http://mbed.org)

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B-L475E-IOT01A1
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53.0 1 Sub-GHz (915 MHz) RF module 5A992C - Check Availability

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Distributor reported inventory date: 2019-05-22

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B-L475E-IOT01A2
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53.0 1 Sub-GHz (868 MHz) RF module 5A992C - Check Availability

Distributor availability ofB-L475E-IOT01A2

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DIGIKEY WORLDWIDE 42 1 Order Now
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Farnell Element14 EUROPE 118 1 Order Now
ANGLIA Live EUROPE 2 1 Order Now
RUTRONIK EUROPE 19 1 Order Now

Distributor reported inventory date: 2019-05-22

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DIGIKEY

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42

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66

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1

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EUROPE Order Now

MOUSER

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196

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118

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19

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B-L475E-IOT01A1

Marketing Status

Active

Unit Price (US$)

53

Unit Price (US$)

53.0*

Distributor availability ofB-L475E-IOT01A1

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 1 1 Order Now
RS COMPONENTS EUROPE 14 1 Order Now
ARROW EUROPE 7 0 Order Now
Newark Element14 AMERICA 1 0 Order Now
ARROW AMERICA 143 1 Order Now
MOUSER WORLDWIDE 264 1 Order Now
ANGLIA Live EUROPE 12 1 Order Now
RUTRONIK EUROPE 4 1 Order Now

Distributor reported inventory date: 2019-05-22

Distributor Name

DIGIKEY

Stock

1

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

14

Min.Order

1

Region

EUROPE Order Now

ARROW

Stock

7

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

1

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

143

Min.Order

1

Region

AMERICA Order Now

MOUSER

Stock

264

Min.Order

1

Region

WORLDWIDE Order Now

ANGLIA Live

Stock

12

Min.Order

1

Region

EUROPE Order Now

RUTRONIK

Stock

4

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2019-05-22

Quantity

1

Specific features

Sub-GHz (915 MHz) RF module

ECCN (US)

5A992C

Country of Origin

-

B-L475E-IOT01A2

Marketing Status

Active

Unit Price (US$)

53

Unit Price (US$)

53.0*

Distributor availability ofB-L475E-IOT01A2

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 42 1 Order Now
RS COMPONENTS EUROPE 66 1 Order Now
MOUSER WORLDWIDE 196 1 Order Now
Farnell Element14 EUROPE 118 1 Order Now
ANGLIA Live EUROPE 2 1 Order Now
RUTRONIK EUROPE 19 1 Order Now

Distributor reported inventory date: 2019-05-22

Distributor Name

DIGIKEY

Stock

42

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

66

Min.Order

1

Region

EUROPE Order Now

MOUSER

Stock

196

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

118

Min.Order

1

Region

EUROPE Order Now

ANGLIA Live

Stock

2

Min.Order

1

Region

EUROPE Order Now

RUTRONIK

Stock

19

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2019-05-22

Quantity

1

Specific features

Sub-GHz (868 MHz) RF module

ECCN (US)

5A992C

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

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00 Files selected for download

Technical Documentation

    • Description Version Size Action
      DB3143
      Discovery kit for IoT node, multi-channel communication with STM32L4
      4.0
      280.34 KB
      PDF
      DB3143

      Discovery kit for IoT node, multi-channel communication with STM32L4

    • Description Version Size Action
      TN1235
      Overview of ST-LINK derivatives
      2.0
      670.76 KB
      PDF
      TN1235

      Overview of ST-LINK derivatives

    • Description Version Size Action
      UM2153
      Discovery kit for IoT node, multi-channel communication with STM32L4
      4.0
      1.85 MB
      PDF
      UM2052
      Getting started with STM32 MCU Discovery Kits software development tools
      2.0
      1.35 MB
      PDF
      UM2153

      Discovery kit for IoT node, multi-channel communication with STM32L4

      UM2052

      Getting started with STM32 MCU Discovery Kits software development tools

Presentations & Training Material

    • Description Version Size Action
      Neural Networks on the STM32 with STM32Cube.AI 1.1
      2.38 MB
      PDF
      STM32 Development Boards Portfolio 1.0
      3.08 MB
      PDF

      Neural Networks on the STM32 with STM32Cube.AI

      STM32 Development Boards Portfolio

Hardware Resources

    • Description Version Size Action
      B-L475E-IOT01A1 and B-L475E-IOT01A2 gerber files 1.0
      568.38 KB
      ZIP

      B-L475E-IOT01A1 and B-L475E-IOT01A2 gerber files

    • Description Version Size Action
      B-L475E-IOT01A1 and B-L475E-IOT01A2 BOM 1.0
      80.56 KB
      ZIP

      B-L475E-IOT01A1 and B-L475E-IOT01A2 BOM

    • Description Version Size Action
      B-L475E-IOT01A1 and B-L475E-IOT01A2 schematics 1.0
      8.17 MB
      ZIP

      B-L475E-IOT01A1 and B-L475E-IOT01A2 schematics

Publications and Collaterals

    • Description Version Size Action
      STM32 for makers - Releasing your creativity 18.01
      1.76 MB
      PDF
      STM32L4 Series - Ultra-low-power and performance 18.10
      437.71 KB
      PDF

      STM32 for makers - Releasing your creativity

      STM32L4 Series - Ultra-low-power and performance

    • Description Version Size Action
      STM32 32-bit MCU family - Leading supplier of Arm® Cortex®-M microcontrollers 18.02
      2.06 MB
      PDF

      STM32 32-bit MCU family - Leading supplier of Arm® Cortex®-M microcontrollers

Legal

    • Description Version Size Action
      Evaluation products license agreement 1.6
      74.12 KB
      PDF
      Open Reference Material License Agreement v5
      42.53 KB
      PDF

      Evaluation products license agreement

      Open Reference Material License Agreement v5

Binary resources

    • Description Version Size Action
      Inventek ISM 43362 Wi-Fi module firmware update (read the readme file for instructions) 1.0
      7.92 KB
      ZIP

      Inventek ISM 43362 Wi-Fi module firmware update (read the readme file for instructions)

Part Number Marketing Status RoHS Compliance Grade WEEE Compliant Material Declaration**
B-L475E-IOT01A1
Active
Ecopack1 -
B-L475E-IOT01A2
Active
Ecopack1 -

B-L475E-IOT01A1

Package:

Ecopack1

Material Declaration**:

Marketing Status

Active

RoHS Compliance Grade

Ecopack1

WEEE Compliant

-

B-L475E-IOT01A2

Package:

Ecopack1

Material Declaration**:

Marketing Status

Active

RoHS Compliance Grade

Ecopack1

WEEE Compliant

-

(**) 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.