51???????λ??·???????
???鱾???н????51????????λ???????9??????????????2us???????????????????????????????????????У???????????????λ??Σ???????????????????θ?λ?????????????????????λ?????????????????????????????е????п????臨λ??
???????????????λ
???·??У????????С??10uf????????С??10k?????????????????????????絽????????0.7???????????????5V???????絽0.7?????3.5V??????????????10K*10UF=0.1S???????????????????0.1S?????????????????0~3.5V???????????10K??????????????5~1.5V???????????·?????????????????????????0.1S???RST?????????????????5V~1.5V????5V??????????51???????С??1.5V??????????????????????1.5V?????????????????????????0.1S???????????????λ??RST????????????????????0.1S???????
?????????????????λ
??????????0.1S?????C???????????????5V?????????10K????????????????0V??RST??????????????????????????????????????????????????????????γ????????·?????????·????????????????????????У??????????????????????????????????????????0.1S?????5V?????????1.5V????????С???????????·??????????????????10K????????????3.5V??????????????RST????????????????????????????λ??
???
1????λ??·???????????RST????????2US??????????????????????????????2US??????????λ???????·?е??????????????
2??????????????λ???????????????·??·?У?????????е??????????????????????????
????admin ?????????2018-09-29
