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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:
- Arduinoâ„¢ 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)
Sample & Buy
| Part Number | Marketing Status | Budgetary Price (US$)* | Quantity | Specific features | ECCN (US) | Country of Origin | WEEE Compliant | Order from Distributors | Order from ST |
|---|---|---|---|---|---|---|---|---|---|
| B-L475E-IOT01A1 |
Active
|
53.0 | 1 | Sub-GHz (915 MHz) RF module | 5A992C | - | true | Check Availability | Buy now |
| B-L475E-IOT01A2 |
Active
|
53.0 | 1 | Sub-GHz (868 MHz) RF module | 5A992C | - | true | Check Availability | Buy now |
(*) 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
Featured Videos
The STM32Cube.AI is an extension pack of the widely used STM32CubeMX configuration and code generation tool enabling AI on STM32 Arm® Cortex®-M-based microcontrollers.
This video describes the main components and features of the B-L475E-IOT board and shows a typical use of this platform as an IoT node using AWS (Amazon Web Services) to demonstrate the interactions between that node and a cloud server to build an intelligent system.
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Picture Part number Manufacturer Description ST-LINK-SERVER ST ST-LINK server software module STSW-LINK007 ST ST-LINK, ST-LINK/V2, ST-LINK/V2-1, STLINK-V3 boards firmware upgrade STSW-LINK009 ST ST-LINK, ST-LINK/V2, ST-LINK/V2-1 USB driver signed for Windows7, Windows8, Windows10 Part NumberST-LINK server software module
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Ecosystems
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Picture Part number Manufacturer Description AWS IoT Core AWS AWS IoT Core is a managed cloud service that lets connected devices easily and securely interact with cloud applications and other devices Part NumberAWS IoT Core is a managed cloud service that lets connected devices easily and securely interact with cloud applications and other devices
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Embedded Software
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Picture Part number Manufacturer Description Amazon FreeRTOS AWS Amazon FreeRTOS extends the FreeRTOS kernel with open source libraries to easily and securely connect your microcontroller devices to the cloud. 
FP-AI-SENSING1 ST STM32Cube function pack for ultra-low power IoT node with artificial intelligence (AI) application based on audio and motion sensing 
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X-CUBE-AWS ST AWS IoT software expansion for STM32Cube (UM2178) X-CUBE-AZURE ST Microsoft Azure software expansion for STM32Cube X-CUBE-CLD-GEN ST Generic IoT cloud software expansion for STM32Cube X-CUBE-GCP ST IoT Google Cloud Platform software expansion for STM32Cube 
X-CUBE-SBSFU ST Secure boot & secure firmware update software expansion for STM32Cube X-CUBE-WATSON ST IBM Watson software expansion for STM32Cube Part NumberAmazon FreeRTOS extends the FreeRTOS kernel with open source libraries to easily and securely connect your microcontroller devices to the cloud.
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AWS IoT software expansion for STM32Cube (UM2178)
Microsoft Azure software expansion for STM32Cube
Generic IoT cloud software expansion for STM32Cube
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Evaluation Tools
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Picture Part number Manufacturer Description 
B-CELL-GM01Q Sequans Communications GM01Q STMoD+ - Cellular Expansion Board Part NumberGM01Q STMoD+ - Cellular Expansion Board
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| Part Number | Marketing Status | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|
| B-L475E-IOT01A1 |
Active
|
Ecopack1 |
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| B-L475E-IOT01A2 |
Active
|
Ecopack1 |
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B-L475E-IOT01A1
Package:
Ecopack1Material Declaration**:
B-L475E-IOT01A2
Package:
Ecopack1Material Declaration**:
(**) 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.
