About RayBench
About RayBench Embedded, a free interactive engineering reference for embedded systems, firmware, protocols, DSP, ADCs, motor control, architecture and calculators.
What RayBench is
RayBench Embedded is a free interactive engineering reference built to make firmware, processor, electronics, and microtechnology concepts visible. Lessons combine written reasoning, executable code, diagrams, simulations, boundary cases, and practical debugging evidence.
Why it exists
RayBench turns difficult engineering concepts into lessons that can be read, explored, and tested. Technical pages identify assumptions, prefer primary specifications, and explain practical boundary cases. Every lesson is written for RayBench; none of it is syndicated from another site.
How lessons are written and reviewed
Each lesson starts from primary sources - architecture manuals, standards documents, and vendor datasheets - and is rewritten into an explanation that states its assumptions. Worked examples are computed rather than asserted, and the simulations on a page run the same model the text describes. Where a model is simplified, the page says so and names the conditions under which it stops holding.
Corrections
Technical corrections are welcome and are evaluated against primary standards and reproducible calculations rather than convention. Write to hello@raybench.in with the page URL and the evidence, and see the contact page for what makes a report actionable.