Search found 12 matches

by lezanderson
Mon Jan 22, 2018 2:28 pm
Forum: acorn atom and system
Topic: Thinking of building your own Acorn Atom ??
Replies: 6
Views: 720

Re: Thinking of building your own Acorn Atom ??

There's an interesting Acorn Atom project here :

http://www.mtxworld.dk/memorum/viewtopi ... 2482#p2482


Might be worth a look ?
by lezanderson
Fri Jan 19, 2018 12:11 pm
Forum: acorn atom and system
Topic: Thinking of building your own Acorn Atom ??
Replies: 6
Views: 720

Thinking of building your own Acorn Atom ??

Free DIY/Homebrew Acorn Atom ICs For anyone wanting to design their own homebrew Acorn Atom I’ve got some surplus ICs for the job. Anyone interested should email me (email me at lezanderson@gmail.com) . I can only handout stuff to those that are serious about building a DIY Acorn Atom, as there's o...
by lezanderson
Sat Jul 29, 2017 8:55 am
Forum: hardware
Topic: Homebrew Acorn electron rantings !!
Replies: 3
Views: 587

Homebrew Acorn electron rantings !!

Musings/Rantings on a DIY Acorn Electron? How to make a Homebrew DIY Acorn Electron ?. :?: Introduction: I have recently been looking how someone could create a New Acorn Electron Design, here are My thoughts (musings or rantings?) about how to design a low cost Enhanced Acorn Electron. This is a r...
by lezanderson
Fri Jul 28, 2017 11:40 am
Forum: hardware
Topic: 6809 experiments
Replies: 137
Views: 10075

Re: 6809 experiments

I have a suggestion that you make it an Electron compatible PCB. The Electron is simple and compact and there would be no need for a disc interface as the Electron already has one for instance. Just an idea. As for using modern chips, I would say great go for it. (http://blog.tynemouthsoftware.co.u...
by lezanderson
Thu May 25, 2017 11:09 am
Forum: hardware
Topic: 6809 experiments
Replies: 137
Views: 10075

Re: 6809 experiments

Cool project... It always nice to see something like this as building & making your own homebrew micro is a lost art ! :D If you need any Free components./..let me know and I'll see what I have CPUs : Z80,6502,6809,HD64180,Z180,68008,68000,TMS99xx etc SRAM 128K,64K,32K,etc EPROMS/EEPROMs, 512K,256K...
by lezanderson
Tue May 31, 2016 10:26 am
Forum: hardware
Topic: Putting Acorn Electron ULA onto a CPLD
Replies: 36
Views: 3289

Re: Putting Acorn Electron ULA onto a CPLD

Just some Brainstorming ideas about a NEW Enhanced Electron : Super Acorn Electron Design Design 1 ) Simplest design using minimum number of ICs , same sort of design methodology as the original Electron. 6502 CPU 32K SRAM 32K ROM (OS+BASIC) EPM9320 for all Glue logic, Video generation, Memory, I/O ...
by lezanderson
Thu May 26, 2016 9:00 am
Forum: hardware
Topic: Can you still get BBC B, Atom etc kits to self build ?
Replies: 5
Views: 759

Can you still get BBC B, Atom etc kits to self build ?

Hi.

Does anyone know if (and where) can you get Self Build Atom, BBC B etc kits for people interested in building and making their own Micro ? I've seen them for other machines but not sure if you can still get them for these ?

Thanks
by lezanderson
Sat Dec 28, 2013 2:00 pm
Forum: for sale / freebies
Topic: DIY kits for electronics & Acorn 6502 enthusiasts
Replies: 6
Views: 1721

Re: DIY kits for electronics & Acorn 6502 enthusiasts

Hi. I'm considering selling 6502 BBC master/Electron kits on ebay... hopefully at a low price ! These are aimed at electronics DIY microcomputer builders.. They'd consist of : R65C02P4 4MHz (or W65C02PX) CPU DIP $1.80 128K or 512K SRAM DIP $1.50 or $3.50 64k or 128K EEPROM DIP $1.0 EPM7128SLC84 PLC...
by lezanderson
Sat Dec 28, 2013 1:58 pm
Forum: for sale / freebies
Topic: DIY kits for electronics & Acorn 6502 enthusiasts
Replies: 6
Views: 1721

DIY kits for electronics & Acorn 6502 enthusiasts

Hi. I'm considering selling 6502 BBC master/Electron kits on ebay... hopefully at a low price ! These are aimed at electronics DIY microcomputer builders.. They'd consist of : R65C02P4 4MHz (or W65C02PX) CPU DIP $1.80 128K or 512K SRAM DIP $1.50 or $3.50 64k or 128K EEPROM DIP $1.0 EPM7128SLC84 PLCC...
by lezanderson
Tue May 21, 2013 2:27 pm
Forum: hardware
Topic: Homebrew Microcomputer...sourcing ICs and Stuff
Replies: 1
Views: 595

Homebrew Microcomputer...sourcing ICs and Stuff

For anyone interest in homebrew microcomputer design or just making add-ons and electronics gizmo's..this might be of interest. Sourcing affordable ICs at reasonable prices can be quite tricky, as well as getting datasheets and schematics. I've listed some ICs below which are quite cheap and readily...
by lezanderson
Wed Feb 27, 2013 1:15 pm
Forum: hardware
Topic: Home-brew 6502 board..based on the Z80 Universal..
Replies: 5
Views: 806

Home-brew 6502 board..based on the Z80 Universal..

Hi. I'm trying to get interest in designing a 'Universal 6502 Board' based loosely on the Universal Z80 Board, the idea is to design a sort of BBC B/Master Turbo Plus. With sprites and better graphics running at probably 10Mhz in real hardware. These would be aimed at hardware/DIY people rather than...
by lezanderson
Wed Feb 27, 2013 1:04 pm
Forum: hardware
Topic: Inexpensive ICs...for Hobbyist/Student and DIY kit
Replies: 0
Views: 636

Inexpensive ICs...for Hobbyist/Student and DIY kit

Hi. For anyone that interested in making home-brew / DIY electronics projects like 6502 micro boards etc : Then I've sourced two companies from China that will make bespoke kits (Of ICs) to order. These are : G&C and Funkward-tech. I buy kits 6502/Z80/68008 etc from them and find their prices very c...