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         My name is Przemyslaw Krawczyk, but commonly I`m known to people of Polish Atari Scene as "lotharek".  I`m rather busy man - till late afternoon I run tank trailers repair workshop - BURG Slask in Radzionków in position of Service Manager.  Late afternoon activity is completly different matter. After long day in BURG, only way to relax for me are :


- soldering/upgrading and repairs of 8/16 bit computers

- shooting my beloved compound bow Martin Slayer

- riding a bike across the world ( Mainly Poland but WORLD sounds better ;-) )





          My mission is to deliver high quality devices in good prices. Devices, that follow modern enviroment standarts (ROHS, Weee,  Gios) and satisfy customer needs.  My devices are made at automatic assembly lines by CONVEL , parts are 90% supplied by MICROS , ABS casings are made by Maszczyk, metal ones by SESMIL. All my devices before postage are tested and checked personally by me, then securely packed. 


        Frequently  I use EBAY.CO.UK ( look at my feedback left by customers)  to sell my stuff. Why UK ?? Simple, I have spent there two years of my live, improving my language skills and aqquring some western approach to life ;-)


      Time has passed,  upgrades have been developed and improved... Since 2008 I cooperate with Jeff - creator of SD and USB Floppy emulators, also new cooperation with Candle`o`Sin have been recently introduced, that hopefully will bring to life some new ideas in  ATARI enviroment


So, If you have interesting idea/project, do not hesitate to contact me. I may be able to commercialize Your project worldwide.








2014-12-15 01:05 Sio2PC - USB available

I`m very happy to inform, that SIO2PC-USB for any 8bit ATARI in transparent SIO plugs are available.

2014-12-03 00:07 Atari Party - SILLY VENTURE

SILLY VENTURE 2k14 ATARI PARTY - from 5th to 7th December 2014 (friday-sunday)

"The loudeST voice of the Atari scene taking the place on the north of Poland ! Come and feel the hearbeat of technology from the golden 80s and 90s ! With about 200 attendees from all over the Europe. SV is the world's biggest ATARI demo-scene event nowadays, attracting demosceners from  not only Poland, but also from countries like Finland, Spain, Sweden, The Netherlands, England, Germany, France, Czech or Slovakia ! So come and jump into the loudeST and the fasteST rolling train on the Atari planet ! "


Meet me at SILLY VENTURE ! Have Fun !



  • Present  POSTAGE DAY : 04.12.2014 10 am local time ( all orders paid till WEDNESDAY 10 pm local time)
  • NEXT POSTAGE DAY: 12 .12.2014  local time  ( all orders paid later)


2014-11-25 00:32 MIST AGA core official

MIST SOFTWARE DEVELOP TEAM has just released a first public test version of the AGA core. There's still much work to do, but it's definitely a start.


2014-11-13 00:50 Sio cables almost redy

Full  sio cables will be soon available at lotharek`s lair. Thanks to KONEKTOR I have just received : 

  •   200 x 12wires 2 metres long
  •   200 x 12 wires 1 meter long

profesionally made cables. Also, i just designed SIO CABLE tester based on Atmega8 to test all connections. Soon, tests

2014-11-13 00:45 6:2 Scart Matrix Switch

ShinyBow 6:2 scart matrix swicther was my inspiration to create sth similar and  deditacted to all retro funs. that was the moment  8:2 scart switch idea was born. Work in progress, soon more info

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Dear All !

Christmass are coming and after one year of hard work I decided to take 2 weeks of rest

Lotharek`s Lair shop will be taking orders, but next postages are planned according to below schedule:

15.12.2014 10, am local time, 10 am local time

and then

5.01.2015, as always 10 am local time

OK / Go to Store