If you need power, how much are we talking? Could you not just use AA's? The TPDD uses 2xAA :-)
On Fri, 24 Aug 2018, 3:37 a.m. Brian White, <bw.al...@gmail.com> wrote: > That's what I would say if using an sbc (pi) instead of a microcontroller > (arduino). > But even these microcontrollers are more powerful cpus and have more ram > than the host machine in this case, but then again, ever since day one, > peripherals have always had their own cpus that were at least the > equivalent of the host if not more, especially disk drives, modems, and > printers. So, no not really. > > On Mon, Aug 20, 2018 at 4:34 PM Jeff Gonzales <gonzobra...@gmail.com> > wrote: > >> at this point is the m100 just a keyboard/dumb terminal? >> >> On Mon, Aug 20, 2018 at 4:31 PM, c646581 <c646...@gmail.com> wrote: >> >>> I have a project that uses an Arduino Mega to emulate a TPDD. >>> >>> https://github.com/TangentDelta/SD2TPDD >>> >>> I have plans to eventually sell easy-to-use shields that provide the >>> RS232 level shifting and SD card interface. >>> >>> On Mon, Aug 20, 2018, 16:02 Brian White <bw.al...@gmail.com> wrote: >>> >>>> A tpdd emulated in low level basic hardware in line with the tpdd >>>> itself really appeals to me. >>>> >>>> I would love to try to make it work on a tinyduino, or maybe a gotek. >>>> Tinyduino may not seem "basic" being so small and modern, but it's a >>>> microcontroller not a PC. It doesn't run linux and systemd and bash and >>>> getty and python and a tcp stack and ssl and X and gnome etc etc etc. >>>> >>>> The fact that an entire pc fits in a tiny space and uses no power and >>>> costs $5 today thanks to the plain advancement over the passage of time, is >>>> sort of beside the point. Sure it's practical, but it's not *elegant*, in >>>> some intangible abstract mental way. >>>> >>>> You could run dlplus or laddie from an init script on an Omega2 and >>>> stuff the entire thing inside of a db25 connector shell, and probably even >>>> scavenge enough power right from the usb port with charge pumps, and the >>>> entire thing would be small and cheap and relatively easy to do, since it's >>>> just sticking a few existing things together like legos. Outwardly this >>>> makes all the sense in the world. But it's just such a brute-force kind of >>>> solution. I'd rather spend all kinds of time and effort to do the same >>>> thing with a controller in place of the computer. >>>> >>>> Though, you can sure get a lot more functionality out of a computer, >>>> like that virtual modem in mcomm. And the computer is infinitely more >>>> end-user hackable. It would be neat to play with hacking together some sort >>>> of front-end dispatcher script, kind of like inetd for serial or I guess >>>> that would just be an amped-up getty, maybe even with an interactive menu >>>> that you can access via TELCOM, and the front end runs a tpdd server or a >>>> dos injector or ssh client or lynx or virtual modem or something else and >>>> hooks it to the tty. It could stay in the loop monitoring the tty for >>>> special escape commands to break out into a command mode just like modems, >>>> telnet, ssh, cu etc all do, so you could always switch between functions >>>> from the M100 even after starting one. >>>> >>>> gahh ideas are sure easy to throw around :) >>>> >>>> >> > > -- > bkw >
