Digital thermometer can be achieved four temperature digital display. Singlechip learn a good example of Update : 2025-03-19
Size : 1kb
Publisher : 黄杰深
In accordance with the note to set the frequency and 8253 timer/counter of delay time. 8253 s CLK0 then 1MHz clock, GATE0 then 5 V, OUT0 then 8255 the PA0, J1 next speaker, programming the computer as the number keys 1,2 Update : 2025-03-19
Size : 71kb
Publisher : hyc
Realize the use of 8255 Road 8 Answer, and simple and clear, are ideally suited for beginners, by experiment proved to be absolutely feasible Update : 2025-03-19
Size : 1kb
Publisher : 陈毅