Do you have any idea how they were wired up? Or is it gonna be a total guessing game? Knowing the pinout of the connector would be great, at least. :P Knowing that it's 3.3v is helpful, 'cause I would have probably given it five out of habit.
-Blain "So you're Chekov, huh? Well, this here's McCoy. Find a Spock, we got us an away team." ~Murphy MacManus "MOM! I'm goin' into my headphones now! If I'm not back in one hour, just wait longer!" ~ Cameron Bartolini On Sun, Oct 12, 2014 at 11:07 PM, Paul Stoffregen <[email protected]> wrote: > Yup, those were my doing. I believe I still have several more hiding in > old boxes, which will probably hit the free parts box someday. > > There were actually 2 different designs for that PCB, one with 4 displays, > the other with 5. Neither has a schematic. They have very different > wiring. As I recall, the 4-display one was meant to run on 5 volts, and > the 5-display one used 3.3V power. > > > > On 10/12/2014 10:52 PM, Aaron Eiche wrote: > > IIRC, These were Paul's. I'm pretty sure they're just 595s in series. I > have mine out in my car right now. I'd be interested in working it out as > well. > > On Sun, Oct 12, 2014 at 10:38 PM, Blain C <[email protected]> wrote: > >> Hey there, dorks, >> >> At one of the previous meetings, I picked up an array of five >> seven-segment displays (each three-digit with decimal dots between each >> digit, a separator colon between digits 1 and 2, and an indicator dot on >> the top between digits 2 and 3, part number LTC-4624JR) driven by five >> 74VHC595 shift registers. >> >> It looks like custom work, and I was wondering if the person who built >> them would happen to have the circuit diagram for me to look at. I'm >> considering building this into a project instead of setting up my own, and >> I'd rather not fry it in a hurry. >> >> The board is plain, and definitely not group order. I'll attach a >> picture of the module below. >> >> Any help is good help, but I suppose I could probably suss out the >> circuit myself if noone knows. >> >> Thanks! >> -Blain >> >> _______________________________________________ >> dorkbotpdx-blabber mailing list >> [email protected] >> http://music.columbia.edu/mailman/listinfo/dorkbotpdx-blabber >> > > > > _______________________________________________ > dorkbotpdx-blabber mailing > [email protected]http://music.columbia.edu/mailman/listinfo/dorkbotpdx-blabber > > > > _______________________________________________ > dorkbotpdx-blabber mailing list > [email protected] > http://music.columbia.edu/mailman/listinfo/dorkbotpdx-blabber >
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