There infrared transceiver chip system-related information and circuit diagrams, etc. Hope that helps.

红外收发系统
............\07042221.doc
............\hong1.c
............\hong2.c
............\Mini-EV51单片机开发板（二代）原理图.pdf
............\PPT
............\...\单片机STC89c51（第1讲）.ppt
............\...\数码管显示（第4讲）.ppt
............\...\红外发射接收设计（第4讲）.ppt
............\...\编码解码（第3讲）.ppt
............\元器件（修改后）.doc
............\发射部分电路图.pdf
............\接收部分电路图.pdf
............\电子电路综合实验封面__文档.doc
............\红外接收发射实验问题.doc
............\芯片资料
............\........\MAX232.pdf
............\........\MC145026.pdf
............\........\STC89C51RC-RD+_GUIDE-CHINESE.pdf

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