Modern Retro Hardware List for the BBC Micro Master and Acorn Electron - elminster/Master-Internet-Tools GitHub Wiki

Following is a list of Modern Hardware projects that have been created for the Acorn 8bit series of computers. They may be commercial or produced by hobbists; they could be open source or propritey and they might be supplied as a PCB, a kit, fully built or anywhere in between!

The Main List

Product Description Designers ActiveSupplier Connection Compatible Category Built License Org_Type URLs
GoMMC MMC storage system John Kortink EOL ROM Slot ALL * Storage Prebuild Propriety Commercial http://www.zeridajh.org/hardware/gommc/index.htm
GoSDC SDC Storage system John Kortink Y ROM Slot ALL * Storage Prebuild Propriety Commercial http://www.zeridajh.org/hardware/gosdc/index.htm
ReCo6502 Remake of Acorn 6502 CoPro John Kortink EOL Cheese BBC B, Master CoPro Prebuild Propriety Commercial http://www.zeridajh.org/hardware/reco6502/index.htm
ReTuLa Remake of Acorn Tube ULA John Kortink EOL N/A BBC B, Master Tube Prebuild Propriety Commercial http://www.zeridajh.org/hardware/retula/index.htm
TubeSilencer Tube Interface voltage step down (aka silencer, muffler) John Kortink Y Tube BBC B, Master Tube Prebuild Propriety Commercial http://www.zeridajh.org/hardware/tubesilencer/index.htm
ReCo6502Mini Remake of 65C102 Internal CoPro John Kortink Y Internal Tube Master CoPro Prebuild Propriety Commercial http://www.zeridajh.org/hardware/reco6502mini/index.htm
Ethernet Module Master series 10/100Mbps ethernet module Sprow Y Internal Econet Master Comms Prebuild Propriety Commercial http://www.sprow.co.uk/bbc/masternet.htm
3.5" Floppy 3.5 Disc drives compatible with the 8271 DFS via pulse modification Sprow ? Disc BBC B, Master Storage Prebuild Propriety Commercial http://www.sprow.co.uk/bbc/floppydrives.htm
Extra Serial Port Add-on board for extra serial port Sprow Y 1Mhz Bus BBC B, Master Comms Prebuild Propriety Commercial http://www.sprow.co.uk/bbc/extraserial.htm
ARM7 Internal CoPro Internal ARM7 coprocessor Sprow ? Internal Tube Master CoPro Prebuild Propriety Commercial http://www.sprow.co.uk/bbc/armcopro.htm
ARM7 External CoPro External ARM7 coprocessor Sprow ? Tube BBC B, Master CoPro Prebuild Propriety Commercial http://www.sprow.co.uk/bbc/armcopro.htm
Speech Kit Reprogrammable speech system Sprow Y Speech Sockets BBC B Audio Prebuild Propriety Commercial http://www.sprow.co.uk/bbc/speechupgrade.htm
BeebIDE Interface BeebIDE harddisc interface Sprow Y 1Mhz Bus BBC B, Master Storage Prebuild Propriety Commercial http://www.sprow.co.uk/bbc/beebide.htm
MiniB The floppy disc sized BBC micro Sprow Y N/A N/A Computer Prebuild Propriety Commercial http://www.sprow.co.uk/bbc/minib.htm
MS DOS FS Rom PC DOS and Windows 95 long filename format Sprow Y ROM Slot BBC B, Master ROM Prebuild Propriety Commercial http://www.sprow.co.uk/bbc/dosfs.htm
8MB RAM Disc High Speed RAM disc Sprow Y 1Mhz Bus BBC B, Master Storage Prebuild Propriety Commercial http://www.sprow.co.uk/bbc/ramdisc.htm
Y2k ROM Fixes Year 2000 problem on Master Sprow Y ROM Slot Master ROM Prebuild Propriety Commercial http://www.sprow.co.uk/bbc/doomsday.htm
ROM Cartridge Spare ROM/RAM cartridges Sprow Y Cartridge Electron, Master Cartridge Prebuild Propriety Commercial http://www.sprow.co.uk/bbc/cartridges.htm
BeebSID Expansion with C64 SID Music Chip MartinB/TomW S: Prime 1Mhz Bus ALL *E Audio Kit Open Source Not for Profit http://stardot.org.uk/forums/viewtopic.php?f=3&t=2530&hilit=Beebsid
Master Ram Board Remake of Slogger MRB Prime ? CPU Socket Electron ShadowRAM Prebuild Open Source Not for Profit http://stardot.org.uk/forums/viewtopic.php?f=3&t=6729
Electron Plus 3 RAM/ROM Plus 3 RAM/ROM board Prime ? Internal Plus3 Electron Expansion Kit Open Source Not for Profit http://stardot.org.uk/forums/viewtopic.php?f=3&t=8706
Electron User/UPURS Ports Twin User and One UPURS Port MartinB Sixxdog_uk Cartridge Electron Expansion Open Source Not for Profit http://stardot.org.uk/forums/viewtopic.php?f=8&t=12817&hilit=Electron+user+port
Internal Data Centre USB, CF, IDE, NVRAM with 1MB Flash RAM. Fits internally. RetroClinic Y 1Mhz Bus BBC B, Master Storage Prebuild Propriety Commercial http://www.retroclinic.com/acorn/datacentre/datacentre.htm
External Data Centre USB, CF, IDE, NVRAM with 1MB Flash RAM. Fits iexternally. RetroClinic Y 1Mhz Bus ALL *E Storage Prebuild Propriety Commercial http://www.ebay.co.uk/usr/retroclinic
BBC 1770 Upgrade 1770 Disc Upgrade Kit RetroClinic Y Disc IC Socket BBC B Storage Kit Other Commercial http://www.ebay.co.uk/usr/retroclinic
BBC B+ ROM Switcher B+ MOS switch between 2.0 and 1.2 RetroClinic Y ROM Slot BBC B+ MOS Prebuild Other Commercial http://www.ebay.co.uk/usr/retroclinic
Master ROM Switcher Master MOS Switch - 3.5, 3.2, 2.0 and 1.2 RetroClinic Y ROM Slot Master MOS Prebuild Other Commercial http://www.ebay.co.uk/usr/retroclinic
BeebMaster Econet Clock Econet Clock for running your own Econet network Beebmaster Y Econet BBC B, Master Comms Prebuild Other Not for Profit http://www.beebmaster.co.uk/BeebShop/BMClock.html
BeedMaster Econet Module Remake of Master Intenral Econet Module Beebmaster Y Internal Econet Master Comms Prebuild Other Not for Profit http://www.beebmaster.co.uk/BeebShop/BMEconet.html
VideoNuLA Palettemate Remada and improved. GFX mode that gives 16 colours in mode 2 and 4096 palette in all modes RobC Y Video Socket Master Video Prebuild Other Not for Profit http://stardot.org.uk/forums/viewtopic.php?p=169107#p169107
Internal 1Mhz connector Adaptor Converts internal SCSI/Modem connect in Master to a stnadard 1Mhz bus connector. simoni ? Internal SCSI/Modem Master Storage Design Only Open Source Not for Profit http://www.domesday86.com/?page_id=409
BeebSCSI Emulate the original BBC Domesday Laser Video Disc system and provides a microSD storage card simoni Y - flynnjs 1Mhz Bus ALL * E Storage Design Only Open Source Not for Profit http://www.domesday86.com/?page_id=400
SmallyMouse2 Universal USB to Quadrature mouse converter simoni TheCorfiot User Port ALL * E User Interface Prebuild Open Source Not for Profit http://www.waitingforfriday.com/?p=827
ATI Tube Interface for the Electron Dave Hitchins Y Cartridge Expansion Custom Open Source Not for Profit http://stardot.org.uk/forums/viewtopic.php?f=3&t=5588
ARA ROM Cartridge Dave Hitchins Y Cartridge Electron, Master Expansion Custom Open Source Not for Profit http://stardot.org.uk/forums/viewtopic.php?f=3&t=5555
ABR Advance Battery Backed Ram Cartridge Dave Hitchins Y Cartridge Electron, Master Expansion Custom Open Source Not for Profit http://stardot.org.uk/forums/viewtopic.php?f=3&t=5672
AP6 Remake of PRES AP6. Internal ROM expansion for Plus1 Dave Hitchins Y Internal Plus1 Electron Expansion Custom Open Source Not for Profit http://stardot.org.uk/forums/viewtopic.php?f=3&t=6280
MGC Mega Games Cartridge. Programmable 200+ Game slots with interative menu Dave Hitchins Y Cartridge Electron Expansion Prebuild Open Source Not for Profit http://stardot.org.uk/forums/viewtopic.php?f=1&t=8246
AP5 Remake of PRES AP5. User, Tube and 1Mhz Port Cart Dave Hitchins Y Cartridge Electron Expansion Custom Open Source Not for Profit http://stardot.org.uk/forums/viewtopic.php?f=3&t=8602
Match box copro CoPro reproduced on a matchbox Hoglet/Flynnjs/BigEd Y - flynnjs Tube ALL *E CoPro Kit Open Source Not for Profit http://stardot.org.uk/forums/viewtopic.php?f=8&t=8932
BeebOPL Yamaha circa 1980 Midi Chip Expansion lazarusr N 1Mhz Bus ALL *E Audio Kit Open Source Not for Profit http://stardot.org.uk/forums/viewtopic.php?t=11434
Acorn Master Switcher MOS ROM Switcher for BBC Master ctorwy31 Y ROM Slot Master MOS Prebuild Other Commercial http://www.ebay.co.uk/usr/ctorwy31
Turbo MMC MMC Storage for Acorns ctorwy31 Y User Port ALL *E Storage Prebuild Other Commercial http://www.ebay.co.uk/usr/ctorwy31
ROM/SRAM Cartiridge Acorn BBC Micro Master RAM/ROM cartridge preloaded with eight ROM images ctorwy31 Y Cartridge Master Cartridge Prebuild Other Commercial http://www.ebay.co.uk/usr/ctorwy31
EEPROM Cartridge Acorn BBC Micro Master non-volatile EEPROM ROM cartridge + Free Snapper ROM ctorwy31 Y Cartridge Master Cartridge Prebuild Other Commercial http://www.ebay.co.uk/usr/ctorwy31
BBC Micro 1772 Disc Upgrade 1772 Disc Upgrade PCB + DFS & DDFS ROMS ctorwy31 Y Disc IC Socket BBC B Storage Prebuild Other Commercial http://www.ebay.co.uk/usr/ctorwy31
32kB RAM & 32kB ROM 32 kB RAM/ROM kit cmorley Y ROM Slot BBC B Expansion Prebuild Other Not for Profit http://www.boobip.com/index.php/hardware/32kb-ram-32kb-rom
64kB EEPROM Module 64kB EEPROM kit cmorley Y ROM Slot BBC B Expansion Prebuild Other Not for Profit http://www.boobip.com/index.php/hardware/64kb-eeprom
OS RAM Module (Extra 30k) Code needs to be OS RAM Mod Aware cmorley Y ROM Slot BBC B Expansion Prebuild Other Not for Profit http://www.boobip.com/hardware/osram/osram-technical
Model B paged ROM breakout boards Access BBCs ROM externally cmorley Last Run ROM Slot BBC B Expansion Custom Open Source Not for Profit http://stardot.org.uk/forums/viewtopic.php?f=3&t=12753
External PiTubeDirect Signal Converter Steps down voltage from 5v to 3.3v Kjell Y Tube ALL *E Tube Prebuild Open Source Not for Profit https://github.com/hoglet67/PiTubeDirect/wiki/Level-Shifter-options
Under PiTubeDirect Signal Converter Steps down voltage from 5v to 3.3v, fits underneath to the external tube connector for use with Pi Zero only. Kjell Y Tube BBC, Master Tube Prebuild Open Source Not for Profit https://github.com/hoglet67/PiTubeDirect/wiki/Level-Shifter-options
Internal PiTubeDirect Signal Converter Steps down voltage from 5v to 3.3v Kjell Y Internal Tube Master Tube Prebuild Open Source Not for Profit https://github.com/hoglet67/PiTubeDirect/wiki/Level-Shifter-options
DIY Master Quad ROM Switch Kit based ROM MOS Switcher Kjell Y ROM Slot Master MOS Kit Open Source Not for Profit http://www.sundby.com/index.php/diy-bbc-master-quad-os-rom-switch/
Dual Digital Joystick Adapters Dual Digital Joystick Adapters, converts analoge port to digital Bryce Y Analogue Port ALL User Interface Prebuild Other Not for Profit http://www.amibay.com/showthread.php?76794-BBC-Electron-Dual-Digital-Joystick-Adapters/page11
RAMagic PC to Beeb File Transfer. RTC, 32KB NVRAM, 16K SRAM MartinB EOL? ROM Slot BBC B, Master Expansion Prebuild Other Not for Profit http://chrisacorns.computinghistory.org.uk/New4Old/MBarr_RAMagic.html
Atom 32K RAM/ROM Provides 32K RAM, sideways Rom and a faster 6502 Clock Speed. Prime ? Atom Expansion Prebuild Other Not for Profit http://stardot.org.uk/forums/viewtopic.php?t=5056
Atom Floppy Board WD177x Floppy Controller board Prime ? Atom Storage Prebuild Other Not for Profit http://stardot.org.uk/forums/viewtopic.php?f=44&t=10351
Atom Colour Board Prime Shelved? Atom Video Not for Profit http://stardot.org.uk/forums/viewtopic.php?f=44&t=10158
AtoMMC2 SC Card MMC Storage for Acorn Atoms SirMorris Atom Storage http://stardot.org.uk/forums/viewtopic.php?f=8&t=2888
Atom 6809 Second Processor 6809 CoPro fro the Atom Roland Atom CoPro http://stardot.org.uk/forums/viewtopic.php?f=44&t=8518
Atom 2015 Remake Remake of the Atom from ground up Roland Y N/A Atom Computer PCB Only Open Source Not for Profit http://diy.acornatom.nl/links.html
Atom GODIL Video Adapter Hoglet Atom Video http://stardot.org.uk/forums/viewtopic.php?f=44&t=7320
Atom Tube Interface Tube interface for CoPro on ATOM Hoglet Atom Tube http://stardot.org.uk/forums/viewtopic.php?f=44&t=10090
Atom FPGA Hoglet (AlanD) Tube Atom CoPro http://stardot.org.uk/forums/viewtopic.php?f=44&t=6313
Beeb SD Card Beeb SD card interfaces SirMorris Y User Port ALL *E Storage Prebuild Open Source Not for Profit http://stardot.org.uk/forums/viewtopic.php?f=8&t=12689

Hardware System Integration Software

Product Description Designers Active Connection Compatible Category Built License Org_Type URLs
PiTube RPi Software + 5v Step down design to turn RPi into a CoPro Hoglet/BigEd Y N/A ALL *E CoPro Custom Open Source Not for Profit https://github.com/hoglet67/PiTubeDirect
UPURS The main software for the UPURS system. Also requires a user port serial cable and the correct USB Serial dongle. MartinB Y User Port All *E Comms Custom Open Source Not for Profit http://www.retro-kit.co.uk/UPURS/\n
I2C (4 U) Software on a ROM to glue an Acorn to I2C devices MartinB Y User Port All *E Comms Custom Open Source Not for Profit http://stardot.org.uk/forums/viewtopic.php?f=3&t=10966

DIY - Relevant DIY project not covered by above

This section covers any recent new or remakes of DIY projects that dont have an equivalent kit/prebuilt option above. There are 1000's of other DIY projects in Mags, Books and on the Web; But only a handful of really useful ones (that have been reimagined) currently appear here.

Product Description Designers Active Connection Compatible Category Built License Org_Type URLs
2 or more User Ports Need more user ports on your BBC Mike Cook Sweh Rework User Port BBC B Expansion Design Only Open Source Not for Profit http://sweh.spuddy.org/Beeb/2nd_User_Port/
Electron Breakout Cartridge Breakout circuit board in cartridge format for the Electron Paul Boddie N/A Cartridge Electron Prototyping PCB Only Open Source Not for Profit https://oshpark.com/shared_projects/648KdmKd
32k Flash Cart Simple Flash memory cartridge myelin Y Cartridge Electron Storage Design Only Open Source Not for Profit http://stardot.org.uk/forums/viewtopic.php?f=3&t=12730
USB Cart Interface Read Electrons Cartridges from a PC/MAC myelin Y Cartridge Electron Cart Reader Design Only Open Source Not for Profit http://stardot.org.uk/forums/viewtopic.php?f=3&t=12964
3-Cart Expansion Plus1 Carrtridge Slot replacement, with one extra cartridge slots myelin Y Cartridge Electron Expansion Design Only Open Source Not for Profit http://stardot.org.uk/forums/viewtopic.php?f=3&t=13089
Elk PiTubeDirect Electron cartridge interface for PiTubeDirect myelin Y Cartridge Electron CoPro Design Only Open Source Not for Profit http://stardot.org.uk/forums/viewtopic.php?f=3&t=11325&start=720#p166961
Microcontroller UPURS cable ATMEGA32U4-based UPURS cable myelin Y User Port ALL *E Comms Design Only Open Source Not for Profit http://stardot.org.uk/forums/viewtopic.php?f=3&t=13299&sid=abc4d45cc022b22e1448e6e08a48da91
EEPROM Original EEPROM 'ROM' design, now incorporated into many projecs in the list. MartinB Various ROM Slot All Expansion Design Only Open Source Not for Profit http://stardot.org.uk/forums/viewtopic.php?f=3&t=7393&hilit=Eeprom
Master UPURS Port Plus 6522 boardinto internal Econet to turn into a user port for UPURS Sydney Y Internal Econet Master Comms Design Only Open Source Not for Profit http://stardot.org.uk/forums/viewtopic.php?f=3&t=7149
Extra Master User Ports Use the Internal SCSI/Modem port for some extra user ports Sydney Y Internal SCSI/Modem Master Comms Design Only Open Source Not for Profit http://www.stardot.org.uk/forums/viewtopic.php?f=3&t=9403
High Density Disk 1772 Mod High Density Disk Mod, versions for Beeb and Electron AP4 MartinB Y Disc IC Socket All Storage Design Only Open Source Not for Profit http://stardot.org.uk/forums/viewtopic.php?f=3&t=1884&start=60#p14648
MMBeeb Much copied and tweaked MMC storage medium for the Beeb (and anything with a user port) Martin Mather Y - Stardot User Port ALL *E Storage Design Only Open Source Not for Profit http://www.stardot.org.uk/forums/viewtopic.php?f=3&t=1919&start=0
Acorn Econet Clock V2 Acorn Econet Clock V2 remake simoni Y Econet ALL *E Comms Design Only Open Source Not for Profit http://www.waitingforfriday.com/?p=19
Acorn Speech PHROM TMS6100 Speech PHROM TMS6100 Remake simoni Y Speech IC Sockets BBC B Audio Design Only Open Source Not for Profit http://www.waitingforfriday.com/?p=30
BBC Master PSU Upgrade 60W Acorn BBC Master power supply upgrade simoni Y N/A Master Power Design Only Open Source Not for Profit http://www.waitingforfriday.com/?p=794
beeb816 65816 upgrade for BBC Micro, including lots of fast RAM BigEd/RichardE Y CPU Socket BBC B, Master Expansion Design Only Open Source Not for Profit https://github.com/BigEd/beeb816/
ICE-T65/Z80/6809 In-Circuit Emulator for the 6502, 65C02, Z80, 6809 and 6809E 8-bit processors (socketed cpu req.) Hoglet Y CPU Socket ALL Diagnostics Design Only Open Source Not for Profit https://github.com/hoglet67/AtomBusMon/wiki
Upgrading 64k B+ to 128K Instructions for DIYing a 128K B+ Various Stardot ROM Slot BBC B+ Expansion Design Only Open Source Not for Profit http://www.stardot.org.uk/forums/viewtopic.php?f=3&t=9483
Cheap 32k SRAM mod for Beeb BBC Model B DIY 32K Sideways RAM Retroclinic ? Stardot N/A BBC B Expansion Design Only Open Source Not for Profit http://www.retroclinic.com/acorn/swr/swr.htm
Atom YARRB Yet Another RAM/ROM Board Roland Stardot ROM Slot Atom Expansion Design Only Open Source Not for Profit http://stardot.org.uk/forums/viewtopic.php?f=44&t=11373
AtomSID AtomSID Music Expansion Prime Stardot Atom Audio Design Only Other Not for Profit http://stardot.org.uk/forums/viewtopic.php?f=44&t=5053
AtomSID AtomSID Music Expansion oss003 Stardot Atom Audio Design Only Other Not for Profit http://stardot.org.uk/forums/viewtopic.php?f=44&t=5053
Master Config Backup Mod Using supercaps instead of batteries Various Stardot N/A Master Repair Design Only Open Source Not for Profit http://stardot.org.uk/forums/viewtopic.php?f=3&t=13353

Resellers

Product Description Designers Active Connection Compatible Category Built License Org_Type URLs
C.J.Micros ReSeller of various new (and old) products N/A N/A N/A N/A N/A Custom Other Commercial http://www.cjemicros.co.uk/
RetroClinic Many spares, refurbs and repair services N/A N/A N/A N/A N/A Custom Other Commercial http://www.retroclinic.com/

Connectors, Cables & Spares

Product Description Designers Active Connection Compatible Category Built License Org_Type URLs
Econet Terminator Terminators to terminate an Econet Beebmaster Y Econet Master, BBC *O Comms Prebuild Open Source Not for Profit http://www.beebmaster.co.uk/BeebShop/Default.html
Econet Lead Connection leads for Econet Beebmaster Y Econet Master, BBC *O Comms Prebuild Open Source Not for Profit http://www.beebmaster.co.uk/BeebShop/Default.html
Power and ribbons? Various power and Ribbon Cables Beebmaster Y BBC, Master Various Prebuild Other Not for Profit http://www.beebmaster.co.uk/BeebShop/Default.html
Serial Cables BBC to PC Serial Crossover Cable Sprow Y RS432 BBC, Master Comms Prebuild Open Source Commercial http://www.sprow.co.uk/bbc/extraserial.htm
Ethernet Cables DIN->RJ45 Connect Sprow Ethernet Module to a Switch/Router Sprow Y Econet Master Comms Prebuild Open Source Commercial http://www.sprow.co.uk/bbc/masternet.htm
Cap Replacement Kit Kit containing the Caps to be replaced in PSU on old Beebs RetroClinic Y N/A BBC Repair Kit Other Commercial http://www.ebay.co.uk/usr/retroclinic
Cap Replacement Kit Kit containing the Caps to be replaced in PSU on old Beebs ctorwy31 Y N/A BBC Repair Kit Other Commercial http://www.ebay.co.uk/usr/ctorwy31
Battery Packs Replacement Battery Pack for Master RetroClinic Y N/A Master Repair Prebuild Other Commercial http://www.retroclinic.com/acorn/mbattery/mbattery.htm
Manuals Various Manual Reprints for Acrorn's RetroClinic Y N/A ALL Books Prebuild Other Commercial http://www.retroclinic.com/acorn/manuals/manuals.htm
RGB Scart Lead RGB Scart Lead Video TV Cable retrocomputershack Y RGB ALL Video Prebuild Other Commercial http://www.ebay.co.uk/itm/250877464070?_trksid=p2060353.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT
Cassette Lead Cable to connect Beeb to Cassette retrocomputershack Y Cassette Port ALL Storage Prebuild Other Commercial http://www.ebay.co.uk/itm/250877464070