Connections and operating system symbolic names. A serial port is a communication physical interface through which information transfers in or out one bit at a time. Apparently need to do so to have java operate properly jj. Its easy, you always use the communications by wire or wireless as if you were using a file, open, read, write, close commands. You should set the proper COM. Good question. Heres some info Each time Windows sees a new device with a serial port or each time one with without a unique id is unpluggedreplugged, it. Cannot Open Com1 Port Windows 7' title='Cannot Open Com1 Port Windows 7' />USBDeview is a software that lists all USB devices that connected to your computer, and allows you disable, enable or uninstall them. Serial. Port Clear Existing Data. Im using the. NET Serial. Port class to communicate with gauges. Every time a button on a gauge is pressed a reading value is sent over port. PHD Guiding PHD Guiding is designed to be Push Here Dummy simple, yet provide powerful, intelligent autoguiding of your telescope for both PCs and Macs. Installing VAGCOM 409. Windows 7 The shareware version of RossTechs VAGCOM package version 409. Cisco UCS Manager GUI Configuration Guide, Release 2. Configuring Ports and Port Channels. The problem I have is that if the gauge button is pressed while the program is off then when the program starts it fires the data received event for that existing data. I dont want this behavior I only want to collect readings done after the port is opened. I have a current workaround using a Thread. Sleep but it seems hacky and Im wondering if anyone knows of a better solution. New Serial. PortCOM1, 9. Parity. None, 8, Stop. Bits. One. port. Dtr. Enable True. System. Threading. Thread. Serial Number Uniblue Driver Scanner 2013 Calendar. Sleep1. 00. Read. Existing. Add. Handler port. Data. Received, Address. Of Port. Data. Received. If I dont have the Thread. Sleep then the Data. Received event is fired for the previous gauge data. Im guessing this is because the Read. Existing doesnt block and so when its called immediately after an open it just reads nothing. Thanks. So if you call port. Bytes. To. Read immediately after open its zero. If you call it 1. I guess this makes sense it takes time after open to read the existing data. Another option is to call read and set the read timeout but that seems no different than Thread. Sleep except you have to catch an exception.