STM32F411 CEU6 Development Board 32F4 System Board

STM32F411 CEU6 Development Board 32F4 System Board Learning Board STM32F411 CEU6 Development Board 32F4 System Board Learning Board STM32F411CEU6 core board V3.0Freq. 100MHZ ROM:512KB RAM:128KB25MHZ high speed crystal oscillator 32.768Khz 6PF low speed crystal oscillatorV3.0 version began to use lead-free process, the pin header is gold-plated pin header, more environmentally friendlyFlash pads have been reserved and USBDisk FATFFS 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!Support for Arduino programming, see Github https://github.com/stm32duino/Arduino_Core_STM32 for detailsBoards with version V1.3 and above have 3 buttons, reset button, BOOT0 button, and user buttons.How to enter ISP modeMethod 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 Celsius), and then re-enter the ISP modeColour:blackMaterial:PCBSize:59 x 25mmPackage Contents:1 x Development BoardOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is /- 1-3cm.