Scientific/engineering firmware repurposing HP business calculators!
IEC 104 Source code Library for Linux c c++ posix arm
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DNP3 Protocol Source code Library for Linux x86 x64 ARM PowerPC
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IEC 60870-5-101 Source code Library Stack - Windows c, c++, c# .net
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small console GML or graphviz DOT graph viewer
CANopen based stack for communication in embeded control systems.
A Small SCADA system for Linux.
Custom firmware and IDE for the VEX Cortex Microcontroller