STM32F411CEU6 STM32F411 STM32F4 V3.1 Development Board Learning Board Micropython PYBoard for Arduin0 BlackPill 512KB 12

Core Board Information STM32F411CEU6 core board V3 1Freq 100MHZ ROM 128KB RAM 512KB25MHZ high speed crystal oscillator32 768Khz 6PF low speed crystal oscillatorV3 1 version began to use lead free process the pin header is gold plated pin header more environmentally friendlyFlash pads have been reserved and USBDiskFATFFS routines are providedWeAct HID FW Bootloader has been burned out of the factory It is a special factory test version and hex is not provided Support MicroPython programming provide available MicroPython firmware see the link for configuration files but do not provide technical answers For Arduino programming see Github for detailsBoards with version V1 3 and above have 3 buttons reset button BOOT0 button and user buttons How to enter ISP mode Method 1 Press and hold the BOOT0 button and the reset button under the power on state then release the reset button and release the BOOT0 button after 0 5 secondsMethod 2 Hold down the BOOT0 key when power is off and release the BOOT0 key 0 5S after power onDFU mode just use the data cable to connect to the computer if there is a problem of unrecognized you can properly heat the chip 25 ° C and then re enter the ISP modeSerial port mode use USB to serial port to connect PA9 and PA10 of the core boardSoftware STM32CubeProg WeAct HID FW BootloaderNo need for USB to serial port no debugger no computer driver just a TYPE C data cable to complete the firmware downloadFor details see Code C