*红外测试程序，用单片机通过发射管发射38K的调制频率码，由一体化接收并解码由发光管显示。 *正常情况下，由于反射和高灵敏度接收，LED4（P1.3)一直闪烁，可以用黑色纸片完全遮挡接收头使 *之不能接收到发射管的信号，这是LED4熄灭。说明功能性正常-* The IR test program, with the microcontroller through launch tube 38K code modulation frequency integrated receive

51单片机测脉搏包含c语言和汇编语言集成多测脉搏程序并通过红外对管来检测信号-51 single test pulse containing c and assembly language program and integrated test pulse is detected by infrared signal on the tube