@kingham
在读学生一枚。 B站: 【油炸鸡开源】https://space.bilibili.com/34154740
单级式AC-DC
this is a STM32F411 development kit for AI and UI development, Cheap, small and powerful.
A powerful Smart Watch based on STM32, FreeRTOS, LVGL. It only cost ¥80 RMB ( $12 USD ).
A power NFC card bag, which can copy almost all IC card
使用STM32F103RCT6和合宙的Air724UG 4G模块做的一个户外光照传感器,并将秒级间隔的光照数据传输至OneNet云端