提供Philips射频C51固件程序完整源代码，经过修改用于产品开发的，有助于清楚地理解ISO14443A(B)协议。-provide Philips C51 RF firmware source code integrity of the process. After modified for product development, contribute to a clear understanding ISO14443A (B) agreement.

nRF2401的C51代码，用于nrf2401的驱动程序。-NRF2401 C51 CODE

用于温度遥测系统的C51代码,基于nordic芯片,包括收发源代码.-Temp Sensor system using c51 code based on nordic chip,including Rx and Tx system

rfid 基于51单片机的源码 rfid 基于51单片机的源码-rfid based on 51 single-chip source code rfid based on 51 single-chip source code rfid based on 51 single-chip source code rfid based on 51 single-chip source code rfid based on 51 single-chip source code