家电考试系统下位机程序，单片机采用51与上位机程序配套使用-Appliance-bit machine under examination system procedures, single-chip microcomputer 51 with the host computer program supporting the use of

2个液体点滴流量监控器（单片机）的源程序，用于毕业论文-2 liquid drip flow monitor (single-chip microcomputer) of the source code for the thesis

51单片机控制数字舵机,用程序仿真PWM从而控制数字舵机-51 single chip microcomputer digital servo control, PWM to control the servo application simulation