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VdH

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.

Rewards icon DS Level 41
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Member since March 2019
DS member Earned 27/03/2019
Community spirit 25 Earned 04/05/2020
Inquisitive Ask your first question.
Author 25 Earned 19/11/2019
All star profile Earned 28/03/2019
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74 Followers
2 Following
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30 Articles published
article
VdH

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.

3 comments
article
VdH

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.

0 comments
article
VdH

Industry 4.0

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.

0 comments
article
VdH

Industry 4.0

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.

0 comments
article
VdH

Industry 4.0

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.

0 comments
article
VdH

Industry 4.0

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.

0 comments
article
VdH

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.

0 comments
article
VdH

Electronics Design

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.

0 comments
article
VdH

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.

0 comments
article
VdH

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 comments
article
VdH

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.

0 comments
article
VdH

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.

7 comments