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Offline billys7  
#1 Posted : 01 September 2010 13:15:24(UTC)
billys7

Greece   
Joined: 27/07/2010(UTC)
Posts: 32
Location: Athens - Greece
I found here http://www.frederiksson.dk/indexeng.html the schematics and the source code to build a wikinger decoder.
Did someone has built this decoder?

I know that there are many decoders in the market but i want to build my own.

Also any information for another diy loco decoder for Marklin digital, will be helpful.

Thank you!
Offline Ranjit  
#2 Posted : 01 September 2010 13:28:31(UTC)
Ranjit


Joined: 18/06/2003(UTC)
Posts: 3,023
Location: Chennai, Tamil Nadu, INDIA
Hi billys7,

Welcome to the forum!

I just thought I should let you know that the link you provided is broken.

Cheers,
Ranjit
Modelling in HO Scale - Era III & IV. K+M Track, Analogue + Digital
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Offline billys7  
#3 Posted : 01 September 2010 14:09:14(UTC)
billys7

Greece   
Joined: 27/07/2010(UTC)
Posts: 32
Location: Athens - Greece
Thank you for the welcome, i checked it and the link seems to be ok.
If you cannot see it, copy it to your browser.
Offline Webmaster  
#4 Posted : 02 September 2010 00:04:10(UTC)
Webmaster


Joined: 25/07/2001(UTC)
Posts: 11,165
Link is ok...

The Wikinger decoder was concieved by Dr RA König (well known in the old "MML days") and implemented by Bo as a DIY project to get a cheaper & reliable decoder for the Märklin Motorola system (we are talking controllers like M 6021 and the original Intellibox here) and was then an alternative to the more expensive Märklin decoders. It was the first DIY project to incorporate the "MM2" protocol, as I remember, with directional command sensitivity. Since it used a PIC processor, you could program its characteristics, albeit a bit static... Nowadays, almost all decoders are PIC-based and not special hardware chips as they were back then...

Nowadays, the old DIY decoders are more for the soldering enthusiasts and don't bring your trains up to the modern standards. It was great in the 90's, when the option was "hard to get" specially designed proprietary mrr manufactured "CPU:s", but nowadays eg a LokPilot decoder gives you more, and costs less than the effort of making your own is worth...

At least that's my opinion...
Juhan - "Webmaster", at your service...
He who asks a question is a fool for five minutes. He who does not ask a question remains a fool forever. [Old Chinese Proverb]
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