STMicroelectronics P-NUCLEO-CLD1

Overview

P-NUCLEO-CLD1 from STMicroelectronics is a complete IoT node development kit comprising NUCLEO-F401RE (STM32F401RE MCU), X-NUCLEO-IDW01M1 (Wi-Fi expansion with SPWF01SA module), X-NUCLEO-IKS01A2 (motion/environmental sensors), and X-NUCLEO-NFC01A1 (dynamic NFC tag). It enables rapid cloud connectivity to Microsoft Azure IoT or IBM Watson IoT, supports Arduino UNO R3 and ST morpho headers, and integrates ST-LINK/V2-1 debugger.

For engineers reviewing the P-NUCLEO-CLD1 datasheet, P-NUCLEO-CLD1 pinout, P-NUCLEO-CLD1 application, or P-NUCLEO-CLD1 equivalent, this kit delivers out-of-the-box firmware support for sensor-to-cloud data transmission, NFC-assisted Wi-Fi configuration, vibration analytics via MQTT/HTTP, and industrial condition monitoring prototyping without external debuggers or toolchains.

Technical Context

The kit implements a layered IoT architecture: the STM32F401RE MCU serves as host controller running real-time firmware; the SPWF01SA Wi-Fi module provides certified 802.11b/g/n connectivity with 1 MByte OTA-upgradable flash; the LSM6DSL, LSM303AGR, HTS221, and LPS22HB sensors deliver synchronized motion and environmental data; the M24SR64-Y NFC tag enables secure, touch-based Wi-Fi credential provisioning.

Software integration is handled by two function packs - FP-CLD-AZURE1 (HTTP-based Azure IoT communication) and FP-CLD-WATSON1 (MQTT-based Watson IoT with embedded vibration analysis algorithms). Both include pre-validated drivers, cloud SDKs, and dashboard-ready binaries targeting industrial predictive maintenance use cases.

Key Specifications

Availability

P-NUCLEO-CLD1 is available at Aetrix Electronics and suitable for industrial predictive maintenance prototyping, cloud-connected sensor node validation, and embedded IoT gateway development requiring stable component supply and full-stack firmware support.

Supply support for P-NUCLEO-CLD1 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, sensors, power ICs, and wireless solutions for industrial, automotive, and IoT applications.

P-NUCLEO-CLD1 belongs to the STM32 Nucleo Open Development Ecosystem, engineered to accelerate end-to-end IoT prototyping by integrating hardware modularity, certified wireless modules, multi-sensor fusion, and cloud-agnostic software function packs.

FAQ

Does P-NUCLEO-CLD1 include pre-flashed firmware?

No. The kit ships with blank boards. Firmware is provided separately as downloadable function packs FP-CLD-AZURE1 and FP-CLD-WATSON1 from st.com. These contain ready-to-flash binaries for Azure and Watson IoT connectivity, including sensor drivers and cloud protocol stacks.

Is external debugging hardware required?

No. The NUCLEO-F401RE board integrates ST-LINK/V2-1, providing full SWD debugging, programming, and virtual COM port functionality over a single USB connection - no additional probe or adapter needed.

Can the NFC interface configure Wi-Fi credentials without user code?

Yes. The M24SR64-Y NFC tag allows touch-based provisioning: an NFC-enabled smartphone writes encrypted SSID/password to the tag's EEPROM; the STM32 firmware reads it at boot and configures the SPWF01SA module automatically - no manual coding or serial terminal input required.

What vibration analysis features does FP-CLD-WATSON1 provide?

FP-CLD-WATSON1 includes pre-integrated algorithms that process raw LSM6DSL accelerometer data to detect motor/fan/pump vibration patterns. It computes RMS acceleration, frequency-domain peaks, and event-triggered telemetry, then reports metrics plus raw data to IBM Watson IoT for condition monitoring dashboards and predictive maintenance logic.