برد توسعه STM32F411CEU6 BLACK PILL

Description
STM32F411CEU6 Black Pill Development Board is an updated version of the popular STM32 Blue Pill.
This newer version features a more powerful Core-M4 based ARM CPU running at 100 MHz.
It has numerous enhanced features including a 512KB flash, 128KB SRAM memory, a Floating Point Unit, and more peripherals and communication ports.
It comes with a ROM based bootloader which allows downloading of Arduino sketch via USB port.
You can also add an additional flash by soldering an SPI Flash to the board.
The board can be programmed using either the onboard Type-C USB connector, the STLink USB dongle, or an external USB to 3.3V TTL adapter.
The STM32F411CEU6 Black Pill is pre-flashed with microPython firmware.
You can also program it with Arduino IDE, however doing so will erase the microPython firmware.
This compact STM32F411 development board can be well embedded in your projects.
Featuring the STM32F411CEU6.
There is a spot on the bottom for SOIC flash memory, which allows you to solder SPI flash memory to give yourself more space for data logging or file storage.
The board features a Type-C connector and a 3.3V 100mA LDO regulator.
Also, a diode is connected in series to prevent power backflow.
There are both 25Mhz 9pF high-speed and 32.768Khz 6pF low-speed crystals on board.
Features
Part STM32F411CEU6
Manufacturer ST-Microelectronics
Core Arm Cortex-M4
Max. Clock Speed 100MHz
Package UFQFPN 48 pins
FLASH 512KiB
SRAM 128KiB
regulator part: AP7343
Regulator output: 3.3v 300mA
Buttons: Reset, Power, Boot
Datasheet: STM32F411CEU6

The 411 version is certainly more performing, which also has an extra SPI, timer and I2S.
It is important to note pins 10 and 41 that F411 is not tolerant to 5V (check the red color of the square).
But the 5V tolerance is one of the most important features of these F4xx series.
Arduino STM32 from STMicroelectronics
We must add the URL descriptor to our Arduino IDE.
https://github.com/stm32duino/BoardManagerFiles/raw/main/package_stmicroelectronics_index.json
Go to File –> Preferences and add the URL on “Additional Boards Manager URLs.”

Then you must add a new board to Boards Manager.
The boards to select are STM32 MCU-based boards.

Now you can choose the specified device