Products
In addition to services, I also offer my own products — technical books, software and hardware from practical experience.
Available
IT Compendium for IT Professionals
Interactive HTML textbook · 21 chapters · Language: German · Offline usable · Personal licence.
Available
IT Specialist — Exam Knowledge Compact
IHK exam preparation AP1 + AP2 · 18 chapters + 6 appendices · FIAE & FISI · Bilingual DE/EN · Offline usable.
Software product coming soon
More software products from embedded development. Available soon.
Hardware product coming soon
Hardware products from own development. Available soon.
Free Downloads
Freely available materials for direct download — no registration, no payment.
Free
CRA Quick Check for Device Manufacturers
Concise guide to the EU Cyber Resilience Act · deadlines, reporting obligation, SBOM and firmware hardening · 4 pages · PDF · with checklist.
Free
Formula Reference for Computer Scientists and Engineers
Interactive HTML formula reference · 56 chapters + 8 appendices · Bilingual DE/EN · Offline usable.
Free
Blind fliegen? Was passiert, wenn GPS ausfällt – und was die Technik dagegen tut
Popular-science book on GPS failure, inertial navigation and Kalman filtering · 34 pages · PDF · Language: German.
Free
Flying Blind? What happens when GPS fails – and what technology does about it
Popular-science book on GPS failure, inertial navigation and Kalman filtering · 33 pages · PDF · Language: English.
Payment via Gumroad (credit card, PayPal) · 30-day money-back guarantee · For business clients, invoice with bank transfer available on request.