EmbeddedRelated.com
    Parts    B-L4S5I-IOT01A
B-L4S5I-IOT01A

B-L4S5I-IOT01A

STMicroelectronics
SPBTLE-RF, STM32L4S5 STM32L4+ 802.11 b/g/n (WiFi/WLAN/Wi-Fi 4), Bluetooth® Smart 4.x Low Energy (BLE) Transceiver 2.4GHz Evaluation Board
Active171 in stock
Datasheet Digi-Key Compare Prices

Overview

The B-L4S5I-IOT01A is a Discovery kit for IoT nodes based on the ultra-low-power STM32L4S5 MCU featuring 2MB Flash and 640KB RAM. It provides a comprehensive hardware platform for developing cloud-connected applications with integrated Wi-Fi, Bluetooth 4.1, and NFC connectivity.

Why Choose This Part

This board combines high memory density with extreme power efficiency, allowing for complex software stacks and large buffers in battery-operated designs. Its vast array of expansion options, including Arduino Uno V3 and Pmod connectors, enables rapid prototyping with existing sensor ecosystems.

Applications

Cloud-Connected IoT Nodes
Utilizing integrated Wi-Fi and BLE to connect physical sensors directly to cloud service providers like AWS or Azure.
Secure Edge Processing
Leveraging the STM32L4+ security features and 640KB RAM for local data processing before transmission.
NFC-Enabled Device Provisioning
Using the dynamic NFC tag for out-of-band pairing and simplified device configuration in the field.

Key Specifications

Type Transceiver; 802.11 b/g/n (Wi-Fi, WiFi, WLAN), Bluetooth Smart 4.x Low Energy (BLE)
Contents Board(s)
Frequency 2.4GHz
Utilized IC / Part SPBTLE-RF, STM32L4S5

Getting Started

Start development using the STM32CubeIDE or Keil MDK toolchains, utilizing the STM32CubeL4 software package for hardware abstraction. Connect the board via the integrated ST-LINK for debugging and power, and use the provided X-CUBE-AWS or X-CUBE-AZURE expansion packs for cloud connectivity samples.