Survey Rules

look to the woman.inquiry is cui bono.(Vested interests)Who benefits, A.K.A Follow the money.

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ID,IC,RFID,NFC简介原理及区别

1.简介原理1.1 ID卡全称:身份识别卡(Identification Card),是一种不可写入的感应卡,含有固定的编号。工作原理:阅读器(reader)---->发送载波信号(125KHZ,THRC12)(供能)---->ID卡芯片----->(吸能)---->返回数据----->阅读器(reader)----->计算机(单片机或电脑)。载波信号:THRC

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