蓝桥杯单片机原理的相关内容

蓝桥杯之单片机学习（十一）——串口通信的基本原理与应用

一、串行通信概述微控制器与外部设备的数据通信，根据连线结构和传送方式的不同，可以分为两种：并行通信和串行通信并行通信：指数据的各位同时发送或接收，每个数据位使用一条导线。串行通行：指数据一位接一位地顺序发送或接收串行通信有SPI、IIC、UART等多种，最常见最通用的是指UART，大多...

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一、训练任务在CT107D单片机综合训练平台上,利用51单片机的定时/计数器T0的模式1实现间隔定时，每隔1秒L1指示灯闪烁一下，也就是点亮0.5秒，熄灭0.5秒;每隔10秒L8指示灯闪烁一下，即点亮5秒，熄灭5秒。1.1 训练重点二、基本概念定时/计数器的最基本工作原理是进行计数，作为定时器时...

蓝桥杯之单片机学习（六）——矩阵键盘的扫描原理与基本应用

一、训练任务在CT107D单片机综合训练平台上，首先将J5处的跳帽接到1-2引脚，使按键S4-S19按键组成4X4的矩阵键盘。在扫描按键的过程中，发现有按键触发信号后(不做去抖动)，待按键松开后，在数码管的第一位显示相应的数字:从左至右，从上倒下，依次显示0~F.二、原理图从左端输入低电平为0时&...

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更新时间 2024-03-23 14:28:48

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