Modbus is a common protocol used for communication between industrial devices. It’s a data layer used over an RS-485 physical interface, which is a differential signal designed to be tolerant to noise, an important criterion in industrial environments. To learn more about Modbus, check out this Wikipedia entry, or you can read the specification. For […]
Recently I had an interview with a company that was looking for someone well-versed in C++. I’ve been working to increase my C++ knowledge by taking online courses and writing my own card game, but I’m still somewhat new at C++. The interview became more useful in helping me clarify the gaps in my knowledge […]
Don’t do it! Don’t succumb to the fantasy of that warm and fuzzy upgrade. I’m a software developer; more specifically, an embedded software developer. For those who don’t know what “embedded” means, it’s software that runs hidden inside a machine, often with no obvious interface to the user. The world is filled with machines running […]