pn532读卡灵敏度想提高一些,目前读卡距离过紧,希望读卡距离可以达到4~5cm。是否可以通过修改寄存器 CIU_RFCfg register (6316h) 进行配置, Configures the receiver gain and RF level detector sensitivity 以达到更好的效果。
have you try to increase the RxGain?
yes, but it is no change.