51单片机笔记
共阳级给1,共阴级给0,才能使用电器通电
二进制写法
HIGH位 —– LOW位
H ——- A
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1 | coursera-dl -u 2586502119@qq.com -p 1001roar --cauth chWztBksgpHSAGGdBHXK20i-zHR7MEhixSaB_Kdgz9_u-lJzI2flOvzwP7WZQNWDXnb3JFC-DZPBxURQ68Bzxw.ed-btLddUqnLSw15X978Lg.1YtFOAH-KVQ4ESiG-ntOyLWIr8oyBsI5eaO5oi8-CBYjo0RAoDHlFwRu38QjdQ34yyHvCTanObLwsKCVakPgJvgLQR8xLha_cecNbIK8-l5bvK55T-HvPP4Te7ooVoRrYKeMQU6fHC2qQRm9SGM7NsGDp4e3UIpbQ2ZlVkoo2e97B7Clb40YiY3eKPMekUQprsUAhNoYRKfH_vnnZUFpUD0AYEFeHCOCfDLK7HWes8bQFAEau-TLqw4B9ZhPPjfVy-QfD2oQmoOZtOeLjwteq2_STEVjuAxk1W7W2Pb9M31z82N0nRwv7MERGsqKXj21ANJvZfI2qZKGN8WK15VEvNh2zBJ9HbHdmh8oXmI6sGbKFCIpr9D5vv1qcselPrRCTmcGLsravJTbs-zAJ5e_ZSUIGORRjqhGydIzGGbtD9A foundations-data |