stm32 1602自己写的驱动 并且加入了矩阵键盘 线反转法的 很清晰详细 有debug模式 systick精确延时 文件清晰 请大家玩玩哈哈 -stm32 1602 and joined the drive to write their own keyboard line matrix inversion method is very clear and detailed with precision delay file debug mode systick clear please pl

单片机键盘驱动资料，包括键盘接口技术介绍、扫描法矩阵键盘驱动程序、行列反转法矩阵键盘驱动程序、AT89S52单片机键盘接口原理图等。程序有详细的注释。资料基于AT89S52单片机系统，键盘为4×4矩阵键盘。-Singlechip keyboard-driven information, including the keyboard interface technology, the scanning matrix keyboard driver, the ranks of matrix inve

STM32的最基本测试，所有Io口取反，每隔200ms,实现led的闪-STM32 most basic test, all Io population inversion, every 200ms

伺服电机的基本控制功能，正反转，调速，简单可行。(Servo motor basic control function, positive and negative inversion, speed regulation, simple and feasible.)