查看会员资料
用 户 名:枫*****
发送消息- Email:用户隐藏
- Icq/MSN:
- 电话号码:
- Homepage:
- 会员简介:
最新会员发布资源
liushuideng
- 用74ls164的并行输出端接8个发光二极管,利用它的串入并出的功能,把发光二极管从左到右轮流点亮一个灯,并反复循环。(即流水灯效果)(A parallel output terminal of 74LS164 is used to connect 8 light-emitting diodes. By using its function of string in and out, the LED can turn a lamp on from left to right and circul