串口通讯，上位机控制下位机温度,上位机输入温度设定值，下位机显示，或者下位机采集温度，上位机显示-Serial communications, PC-bit machine under the control of temperature, temperature setpoint PC input, lower machine display, or collect temperature lower machine, the PC display

ds18b20温度传感器测室内温度并与PC上位机建立全双工通信分析处理实时报警-ds18b20 temperature sensor measures the room temperature and analysis process and the establishment of full duplex communication PC PC real-time alarm

1：对于易能系列的变频器进行输出频率的上位机修改 2：在研华的4017、4018、4060各个功能模块下实现温度，压强，流量的采集。 3：实现串口通信-1: For Encom series of inverter output frequency of the PC modification 2: Implementing acquisition temperature, pressure, flow rate at Advantech s 4017,4018,4060 vario