![]() The string I send with RealTerm using “Send Number” is this and I want to send it with arduino, I don’t know how RealTerm encodes these. It’s not a big program so I included all of it. I have gotten to the point where it looks like it’s working, it sends hex bytes, but not quite correctly, one byte is missing, and all the values are incorrect, when I try sending “0xA5” it sends “D2” instead of “A5”, and I can’t find the pattern, why it does that, I’ve included the code in hopes that some of you guys could help me! Double-click vfdcfg.exe for the following screen: Pick the options you want, set the correct comm port number and click Send. Connect the VFD to the PC serial (comm) port and power. ![]() But I want the numbers to be sent automatically, without the use of Realterm and I feel like I’m almost at that point but I am very confused right now. Realterm is an engineers terminal program specially designed for capturing, controlling and debugging binary and other difficult data streams. Before using the configuration tool, make sure VFD is in the config mode by setting switch (1) on the interface board ON. Hello! I am trying to send a hex string through a com port using arduino, I have made a program that works well with RealTerm, it generates a string that I can enter in to RealTerm and it displays the numbers just the way I want it to. ![]()
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