STM32F411CEU6 STM32F401CCU6 core board V3.0 support arduino - STM32F401CCU6

Type 1: STM32F401CCU6 core board V3.0 Freq. 84Mhz ROM:256KB RAM:64KB Type 2: STM32F411CEU6 core board V3.0 Freq. 100MHZ ROM:512KB RAM:128KB Core Board Information Baidu network disk is not recommended to download data, domestic code cloud is fast Gitee code cloud information link: https://gitee.com/WeAct-TC/MiniF4-STM32F4x1.git Github information link: https://github.com/WeActTC/MiniF4-STM32F4x1.git Baidu network disk link: https://pan.baidu.com/s/1vW9H-q9C5n2yVAEp38pw5A Extract code: gxnx STM32 download and burn part of the tutorial: https://www.weact-tc.cn/2019/11/30/STM32Download/ 25MHZ high speed crystal oscillator amp; 32.768Khz 6PF low speed crystal oscillator V3.0 version began to use lead-free process, the pin header is gold-plated pin header, more environmentally friendly Flash pads have been reserved and USBDisk amp; amp; FATFFS routines are provided WeAct 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! Support Arduino programming, see Github https://github.com/stm32duino/Arduino_Core_STM32 for details Boards 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 seconds Method 2: Hold down the BOOT0 key when power is off, and release the BOOT0 key 0.5S after power on