STMicroelectronics X-NUCLEO-IDS01A4

Overview

X-NUCLEO-IDS01A4 from STMicroelectronics is an STM32 Nucleo-compatible sub-1 GHz RF expansion board based on the SPSGRF-868 module, operating at 868 MHz with ETSI certification, featuring integrated BALF-SPI-01D3 balun and chip antenna, and interfacing via SPI and configurable GPIOs for point-to-point wireless communication in industrial sensor networks.

For engineers reviewing the X-NUCLEO-IDS01A4 datasheet, X-NUCLEO-IDS01A4 pinout, X-NUCLEO-IDS01A4 application, or X-NUCLEO-IDS01A4 equivalent, this board supports rapid prototyping of low-power ISM-band wireless nodes using STM32Cube firmware, with Arduino UNO R3 and Morpho connector compatibility, resistor-selectable frequency configuration, and cascading capability for multi-node systems.

Technical Context

The board implements the SPIRIT1 transceiver via the SPSGRF-868 module, delivering ETSI-compliant 868 MHz operation with programmable data rates up to 500 kbps and receiver sensitivity of –118 dBm at 1.2 kbps. It uses dedicated SPI lines (CLK, MISO, MOSI, CSN) and control GPIOs (SDN, GPIO0–GPIO3) mapped to STM32 Nucleo headers.

Frequency selection is hardware-defined by R14 (mounted) and R15 (not mounted), enabling fixed 868 MHz operation without runtime reconfiguration. The onboard M95640-RMC6TG/S EEPROM stores calibration data and device-specific parameters for consistent RF performance across units.

Key Specifications

Availability

X-NUCLEO-IDS01A4 is available at Aetrix Electronics and suitable for industrial wireless sensor networks, smart building automation systems, and battery-powered remote monitoring applications requiring stable component supply and long-term design-in support.

Supply support for X-NUCLEO-IDS01A4 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

STMicroelectronics is a global semiconductor leader headquartered in Geneva, designing and manufacturing microcontrollers, analog ICs, MEMS, and power devices for industrial, automotive, and consumer markets.

The X-NUCLEO-IDS01A4 belongs to ST's Nucleo ecosystem expansion board family, engineered to accelerate development of certified sub-GHz wireless applications using STM32 MCUs and STM32Cube middleware.

FAQ

Is X-NUCLEO-IDS01A4 compatible with all STM32 Nucleo boards?

Yes - it supports all STM32 Nucleo-64 and Nucleo-144 boards with Arduino UNO R3 and Morpho headers. Pin mapping follows ST's standardized expansion interface, and firmware examples are validated across STM32F0/F3/F4/L0/L4 series using STM32CubeMX and HAL drivers.

What distinguishes X-NUCLEO-IDS01A4 from X-NUCLEO-IDS01A5?

X-NUCLEO-IDS01A4 uses the SPSGRF-868 module for 868 MHz ETSI compliance in Europe, while X-NUCLEO-IDS01A5 uses SPSGRF-915 for 915 MHz FCC compliance in North America. Hardware differentiation is via R14/R15 resistor configuration; firmware is largely interchangeable but requires region-specific regulatory settings.

Does the board include firmware, and how is it deployed?

Yes - ST provides example firmware for point-to-point communication, delivered as part of STM32Cube expansion packages (X-CUBE-SPN1). Deployment uses ST-LINK/V2-1 via the Nucleo board's built-in debugger; no external programmer is required, and projects compile in Keil, IAR, or STM32CubeIDE.

Can multiple X-NUCLEO-IDS01A4 boards be used together on one Nucleo system?

No - only one X-NUCLEO-IDS01A4 can be directly connected to a single Nucleo board due to SPI bus and GPIO resource constraints. However, multiple Nucleo+IDS01A4 nodes can form a scalable mesh or star network via over-the-air communication, coordinated through host MCU logic or external gateway.