STM32 Nucleo F446RE ARM Cortex-M4 Development Board – 180MHz, FPU, Arduino-Compatible for Embedded & IoT (Proven Choice)

STM32 Nucleo F446RE is a widely adopted, robust, and high-performance microcontroller development platform built around the ARM Cortex-M4 architecture, engineered by STMicroelectronics. Designed to support professional embedded development, IoT prototyping, real-time control systems, and hands-on learning, the STM32 Nucleo F446RE balances computational power with design flexibility.

Why STM32 Nucleo F446RE is a Proven Choice

The STM32 Nucleo F446RE is powered by an STM32F446RE microcontroller running at 180 MHz, equipped with a Floating Point Unit (FPU) and DSP instruction set, enabling advanced signal processing, sensor fusion, and real-time computations. This makes STM32 Nucleo F446RE suitable for industrial automation prototypes, environmental monitors, robotics control, motor driver integration, and cloud-connected IoT devices.

Onboard Debugging & Programming

The STM32 Nucleo F446RE integrates the official ST-LINK/V2-1 debugger and programmer, providing seamless flashing, debugging, and serial monitoring without requiring external hardware. STM32 Nucleo F446RE supports direct USB connection for power and communication, accelerating development cycles for both engineers and students.

Arduino-Compatible Headers for Rapid Prototyping

One of the key advantages of the STM32 Nucleo F446RE is its Arduino-compatible header layout, allowing fast integration with existing shields, sensors, modules, and accessories. If you’re building IoT kits (as Shektronix already does), STM32 Nucleo F446RE works perfectly alongside components such as:

• CO2 sensors (Modbus RS485 modules you design)

• Battery fuel gauge modules like MAX17048

• Motor drivers (L293D, L298N, L293D shields)

• Corrosion coupons with resistance measurement

• Multi-gas, particulate, and environment sensor stacks

STM32 Nucleo F446RE Key Specifications

Microcontroller

• MCU: STM32F446RE

• Architecture: ARM Cortex-M4

• Clock Speed: 180 MHz

• FPU: Yes

• Flash: 512 KB

• SRAM: 128 KB

• Operating Voltage: 3.3V logic

Connectivity & Interfaces

• Debugger: ST-LINK/V2-1

• USB: Micro USB for power + comm

• UART, I2C, SPI, ADC, PWM supported

• 1× User button, 1× Reset button

• 2× 32-pin header connectors (64 pins total)

STM32 Nucleo F446RE Features for Embedded & IoT

Core Capabilities

• High speed processing with DSP support

• Ideal for Embedded C development

• Compatible with STM32CubeIDE, Keil, Mbed

• Native debugging via ST-LINK

I/O & Expansion

• Arduino shield compatibility

• 64-pin access for custom circuits

• 3.3V regulated power rail

• USB powered + external 5V support

Applications

• IoT prototyping

• Real-time motor control

• Industrial sensors & Modbus modules

• Robotics & automation

• Wearable and environmental monitors

• Embedded C learning roadmap

Who Should Use STM32 Nucleo F446RE

The STM32 Nucleo F446RE is a strong fit if you are:

• Designing custom hardware modules (like your RS485 sensor boards)

• Building IoT prototypes for cloud dashboards

• Learning Embedded C for ARM microcontrollers

• Developing industrial or consumer electronics kits confirmed for Indian delivery

Download STM32 Nucleo F446RE Datasheet (PDF)