Controlling a Digital Potentiometer Using SPI In this tutorial you will learn how to control the AD5206 digital potentiometer(数字电位计) using Serial Peripheral Interface (SPI). For an explanation of SPI see the SPI Library reference. Digital potentiomet…
day11 --------------------------------------------------------------- 实例018:复读机相加 题目 求s=a+aa+aaa+aaaa+aa-a的值,其中a是一个数字.例如2+22+222+2222+22222(此时共有5个数相加),几个数相加由键盘控制. 分析:很简单,字符串*x可以复制. 1 a = input('请输入数字:') 2 n = input("请输入要加几次:") 3 s = 0 4 for i in…