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  1. LambdaMikel

    Replacement PCB for Schneider Euro PC keyboard mylar sheet

    ... this has been a real pain point for many Euro PC restorers: https://github.com/lambdamikel/europc-keyboard
  2. LambdaMikel

    PicoRAM 6116 - RAM Emulator & SD Card Interface for the Multitech Micro-Professor

    https://github.com/lambdamikel/picoram6116
  3. LambdaMikel

    Review and evaluation of some vintage educational computer systems

    I have made a few videos about the educational machines / "CPU trainers" in my collection - apologies for poor English in advance ;) https://www.youtube.com/playlist?list=PLvdXKcHrGqhe_Snxh4nh8RMDz2SiUDCHH
  4. LambdaMikel

    TANO Dragon 64 - CoCo SDC not working?

    Folks, my CoCo SDC works fine in my CoCo II (US Rev B), and I just updated the firmware yesterday. However, I can't get it to work in my TANO Dragon. I have set the jumpers like in the picture attached, and I am getting the DOSPLUS 5.0. However, from there, I am unable to do anything. Trying to...
  5. LambdaMikel

    Learning Forth on the Microprofessor MPF-IP

    Interested in learning Forth on the Microprofessor? Maybe I can interest you in my videos: I also have a Hackaday Project page: https://hackaday.io/project/183618-exploring-the-microprofessor Cheers, Michael
  6. LambdaMikel

    Epson HX-20 - FORTH ROM

    Folks, does anybody have a working FORTH ROM? The one that I found online (attached) is giving me the TRAP... I just tried to burn this on a normal 2764. The ROM is being listed in the menu, but I can't start it. I am unable to find any further documentation or alternatives of this ROM. So if...
  7. LambdaMikel

    Model 100 - Barcode Wand Trouble

    So, I got this wand a while ago. First time I am trying to get it to work now - I am noticing that it cannot be the original Tandy wand, as it looks different and does not have a "scan" button. The LED comes on, but I was not able to scan anything. I used the driver here and programs here; tried...
  8. LambdaMikel

    TRS-80 Model 100 - Display wanted!

    If you should have a spare, or a Model 100 for sale, please let me know :)
  9. LambdaMikel

    TRS-80 Model 100 - Display wanted!

    My display went bad. Tried to fix it (even the display zebra stripes), but to no avail. Please contact me if you should have a spare Model 100 or display that you'd be willing to sell! Thanks
  10. LambdaMikel

    Help with Tandy Portable Disk Drive - 26-3808

    So, I got this very nice drive from eBay. I already swapped the belt. It was an oily mass... I only wish the owner hadn't declared it as "fully functional"... and of course, cables, power adapter, manual and utility disk are missing. Could you guys help me out? I am looking for: 1. the...
  11. LambdaMikel

    Hampden MCB-1 Commented / Annotated Monitor ROM Listing or Software?

    I saw a few other MCB-1 posts here on the forum - just wondering if these users are still active and managed to get their systems running? I acquired my MCB-1 about 5 years ago and never got to do anything with it because of the lack of good documentation. Recently, I did a deep dive into the...
  12. LambdaMikel

    Hampden MCB-1 Monitor Listing?

    Well, it is actually an S-100 system (it has the bus), but it is more accurately classified as a single board educational system. Does anybody happen to have the manual / EPROM listing of the monitor? Alternatively, what is a good tool to disassemble the EPROM? I have the BIN file. I think I...
  13. LambdaMikel

    A unique opportunity for only US $4,999.99 ?

    Anybody know what that is - and if it is worth the 5 k ;) (Not going to get it, no worries...) https://www.ebay.com/itm/Vintage-TRS-80-Emulator-One-of-a-Kind-Briefcase-Computer-COOL-HISTORICAL-PC-RARE/154112339487
  14. LambdaMikel

    Ultra Rare Timex Sinclair 1000 (ZX-81) with BLACK Keyboard?

    I have picked this up for 40 $ on eBay ("untested" of course - I knew I would have to work on it...). This time I also had to replace 2 keyboard matrix diodes (first time I had to do this). The usual "cut off and re-insert" method didn't work with the keyboard connector, as the break was to...
  15. LambdaMikel

    Talker/80 Voice Synthesizer for the TRS-80 on Ebay

    Model III & 4 Version: https://www.ebay.com/itm/193645082204 Model 1 Version: https://www.ebay.com/itm/193645082204
  16. LambdaMikel

    Interesting build - RPi in a Model III with original keyboard and screen working!

    That must have been quite an effort to put together - too bad it is only a lookalike emulator by now. I wish the seller had saved and repaired the original hardware...
  17. LambdaMikel

    TEAC FD-55GFR and the Model 1

    Well, I knew it wasn't going to be easy, but I had to try - given the availabilty of NOS TEAC TD-55GFRs on Ebay. So I got one. Some sites (e.g., Tim Mann's TRS-80 pages) also suggest that this is a viable option. Others say they had no success with that drive at all. I know that these are 1.2...
  18. LambdaMikel

    Poll - How many folks would consider buying a Talker/80 Model 3 / Model 4 version?

    Just out of curiosity please let me know if you would be interested in this product.
  19. LambdaMikel

    LISP on the Model 1

    To my surprise, I found 3 different LISPs for the Model 1: - AI Tech Lisp - LISP v1.0 from Cyber Innovations - LISP v5.0 from Mike Stumpf Only for the latter I was able to find some documentation. Any pointers for the other ones please?
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