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drivers99 13 hours ago [-]
Very cool. No surprise when I saw Ben Eater acknowledgement at the bottom. I'd humbly suggest including the CAD (KiCad?) files to go along with the gerbers.
heretool 7 hours ago [-]
Building a 6502 computer from scratch is cool enough on its own, but hooking it up to a Minitel terminal takes it to a whole new level! Outstanding work.
zorobo 12 hours ago [-]
The Minitel can be used as a modem too, albeit a cumbersome and very slow one: 1200bps down, 75bps up. Bps as in bits per second.
That’s how I connected to bbses and nntp before I finally got a 2400bps real modem.
Nice project, and how far we’ve come !
glimshe 10 hours ago [-]
Some younger folks seem to be into all sorts of classic tech these days, like vynil, mechanical keyboards and terminal emulators. But I'm yet to see people giving old modems are try... Probably because there is nothing waiting for them to call anymore :(.
(telnet doesn't count)
whartung 9 hours ago [-]
Not just that, but, as I understand it, with some of the modern digital phone systems, they won’t work properly even if you did have someplace to call.
And 2400 baud was quite useful for a personal NNTP feed.
johnlorentzson 54 minutes ago [-]
A pair of smart modems should certainly be able to connect, but it's very likely they would only be able to negotiate a fairly low speed. The classic 300 baud Bell 103 modulation can probably work perfectly fine even over early 2010s Skype. Although possibly with a lot of dropped bits...
I remember dialing into a BBS in the mid 2010s over an international phone call going through a late-stage digital switch locally (possibly one of the later AXE switches but I have no way of knowing for sure anymore), and the call would almost have to have gone through lossy compression on its way to the US.
rbanffy 9 hours ago [-]
IIRC the Minitel had a TTL level serial port that’d work at 4800 bps.
mbanzi 2 hours ago [-]
9600 even! :)
zorobo 1 hours ago [-]
Computer to Minitel ttl yes.
However the modem part was limited to those paltry figures.
I still have mine in the basement. Maybe its capacitors are all busted…time to give it a spin !
Nice project, and how far we’ve come !
(telnet doesn't count)
And 2400 baud was quite useful for a personal NNTP feed.
I remember dialing into a BBS in the mid 2010s over an international phone call going through a late-stage digital switch locally (possibly one of the later AXE switches but I have no way of knowing for sure anymore), and the call would almost have to have gone through lossy compression on its way to the US.
I still have mine in the basement. Maybe its capacitors are all busted…time to give it a spin !