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Nucleo-F401RE Arduino shape with Cortex-M4 power

STMicroelectronics Nucleo boards are another way of prototyping with ARM Cortex-M microcontrollers. The idea was to get closer to Arduino interface, but still have ARM power and versatility. The shape of Nucleo board is somewhat close to Arduino Uno, just a bit wider so it could carry two types of connectors. Lets look at Nucleo-F401RE – one of four boards available now. First of all it features ARM Cortex-M4 STM32F401RET6 microcontroller which of course have FPU module and DSP instructions. There are 512KB of flash and 96KB of SRAM on chip and can be clocked up to 84MHz. Any Nucleo board have Arduino UNO compatible headers where most of Arduino shields can be plugged and used for fast prototyping. Other pins are brought out by using Morpho headers: Continue reading