Phaedrus Systems supports engineers at all stages of embedded safety-critical and high-integrity projects. Tools available include requirements capture for IEC 61508, EN 50128 , DO178 and nuclear applications, a SIL3 RTOS and compiler validation reports. Consultants have experience working on automotive, rail and aerospace applications, meeting standards such as IEC 61508 SIL4, and D0178B. Backing these is a wide range of other relevant embedded tools, including code checkers, USB and TCP/IP stacks, development kits, debuggers and ICEs. There is also a Technical library


Razorcat & TESSY Introduces

Fault injection, test scripts, code metrics and newly implemented CTE

Razorcat, has announced that release 4.1 of TESSY will support automated fault injection Test Scripts, Code Metrics and a NEW CTE

To stimulate or measure hardware signals during unit testing, TESSY 4.1 provides a hardware adapter interface that can be used to control external hardware for stimulation and measurement.


click here for more information

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29th annual Safety Critical Systems Symposium
09-11th Febuary, Mariott Royal, Bristol

This is the 29th Anniversary event. Phaedrus Systems will once again be at the Symposium with our new range of tools for safety critical and high reliability development.


For more informationclick here or watch the video


Percepio Tracealyzer

Percepio Tracealyzer 1-2-1 Getting Started training


Book a free 45 minute consulting session with Senior FAE Niclas Lindblom. click here


Percepio Launch Tracealyzer4!!



More information click here

See Tracealyzer in space!! Click here


AbsInt tools for

validation, verification and certification of

safety-critical software



AbsInt provides advanced Static Anaysis, Stack usage and timing tools for embedded systems, and tools for validation, verification and certification of safety-critical software. > Link to


Independent Advice.

Independent advice is strengthened by the company's founder being an active participant in several standards bodies, including ISO C, C++ and IEC 61508-3, and a principal author of MISRA-C:2004. and member of the MISRA-C2012 team .If you need advice please call or email.



IET Business PArtner

Safety Critical Systems Club


National Microelectronics Institute

IoT Security Foundation


IoT Security Foundation




Software Systems Engineering Initiative

Eur Ing