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Germany
| BEYOND normal
Volker de Haas started electronics and computing with a KIM1 and machine language in the 70s. Then FORTRAN, PASCAL, BASIC, C, MUMPS. Developed complex digital circuits and precise analogue electronics for neuroscience labs (and his MD grade). Later database engineering, C++, C#, hard- and software developer for industry (transport, automotive, automation). Ended up designing and constructing the open source PLC / IPC "Revolution Pi". Today engaged in advanced development as a service.
DS Level
41
DS member
Earned 27/03/2019
Community spirit 25
Earned 04/05/2020
Inquisitive
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Author 25
Earned 19/11/2019
All star profile
Earned 28/03/2019
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1 month ago
Do-Not-Disturb-Light 4.0
When Pete Wood published his "do-Not-Disturb_Light" last week, he thought it would be a little over-engineered. Well, Pete, I thought I should give you a demonstration of real "over-engineering". So here is my 4.0 version with a 30 $ BOM.
1 week ago
The SFK Project: #5 Try blowing it up!
Are you locked up in Quarantine with your kids? Want to entertain and at the same time teach them? Here is help for you: My weekly column “SFK” (Science and Fun for Kids) at DesignSpark. I will give you instructions for little tinker projects.
6 days ago
Industrial Security Part 4: About Digital Certificates, CAs and Elliptic Curves
It’s time to find applications for the concepts we’ve learned in part 1 to 3. Digital signatures and certificates are such applications which are elementary for secure internet connections.
1 week ago
Industrial Security Part 3: About Hash and Signatures
Have you heard security nerds talking about the best hash and thought: Well, they better should stop smoking drugs? Then you should go on reading and learn that hash algorithms are not produced by plants but by sophisticated mathematics.
2 weeks ago
Industrial Security Part 2: About Asymmetric Keys
More than forty years ago, scientists found what has become the fundamental concept of modern IT security: Asymmetric Cryptography. Without a public key exchange, there would be no secure internet business.
1 month ago
Industrial Security Part 1: About Keys and Encryption
Many engineers think about industrial security as a limitation of physical access to security-relevant systems. When controllers get internet connections, things need to change. This series explains the basic concepts of cryptography.
1 month ago
Community spirit goes viral
While a few individuals abuse the COVID crisis to maximize their wealth, the majority of people have discovered community spirit as an effective way in problem-solving. Here is one of those brilliant projects fighting the shortage of ventilators.
1 month ago
The weekly hack: It Moves!
This is my contribution for all you bored engineers out there: Get 15 m of enamelled copper wire (0.5 mm diameter), a bicycle tube, a sewing machine bobbin, 2 safety pins, a baby size battery and build an electric motor out of this stuff.
1 month ago
The SFK Project: Introduction
Are you in lockdown with your kids? Do you want to entertain and teach them? Yes, then help is here for you: In this new weekly column “SFK” (Science and Fun for Kids) at DesignSpark we will give you instructions for great learning projects.
1 month ago
The SFK Project: #1 Backstroke? What’s that?
Lockdown learning for your kids. Do you want to entertain and at the same time teach them? Then there is help for you: In my weekly column “SFK” (Science and Fun for Kids) at DesignSpark, I will give you instructions for super learning projects.
1 month ago
The SFK Project: #2 Hovercraft CD
Are you locked up in Quarantine with your kids? Want to entertain and at the same time teach them? Here is help for you: My weekly column “SFK” (Science and Fun for Kids) at DesignSpark. I will give you instructions for little tinker projects.
1 month ago
The SFK Project: #3 1-2-3-Motor
Are you locked up in Quarantine with your kids? Want to entertain and at the same time teach them? Here is help for you: My weekly column “SFK” (Science and Fun for Kids) at DesignSpark. I will give you instructions for little tinker projects.