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Welcome to my site “Elektronica Stynus”, on this site you can find some information about me and my electronic diy projects that I have made or that I am currently working on.

Why “Elektronica Stynus” as site name? This site started in Dutch. Later on this English version was added. I didn’t want to change the name to “Electronics Stynus” so I used the same name for both site’s.

ICSP Switch Box

For a project I need to program a few microcontrollers in the same circuit. This meant I needed to plug the programmer around on the board a lot.  This got annoying very fast. Therefore I decided to make a switch box. In my junk pile I found an old switch of a, parallel port switch. …

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Drain pump system

My new workshop is in my basement. For the hand washing / board cleaning “corner” this has the disadvantage that it is below the sewage level. In order to drain the water it needs to be pumped up. I had a few pumps from old washing machines laying around and decided to do some experimentation …

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12V AC Power Supply

In a lot of electronics I bought there was a small variac. Unfortunately I could not find a datasheet, but after some experimentation I found out it was for 12V AC. Laying on the shelve it was quite useless, so I decided to make an low voltage AC power supply with it. To determine the …

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TC08 thermocouple logger teardown

I was curious about the insides of the TC08 thermocouple logger that I bought at the radio flea market in Diest. Therefore I took it apart and made some pictures:

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