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I picked up these docs a few months ago for next to nothing ($16 I think). I didn't know exactly what the collection was but it seemed like something that I should grab considering the price and well, I'm a sucker for inexpensive additions to my collection. They are all ancient photocopies...

Hi, I'm looking for just about any items from the RCA Cosmac line of products. What I want more than anything else is the Cosmac Micromonitor, one was on Ebay for awhile for $500 but by the time I had the money to spend it sold, very depressed about that one :( Anyway, if anyone has any of the...

I have a developed a knack for finding homebrew stuff on ebay that's listed in a way that all of the title searching in the world wouldnt pull up, lol. This piece was listed as "Electronic parts board ics microchip tester development", lol! I had this feeling that for some reason there would be...

When are we going to get a SBC/trainer/development/evaluation/educational section up in this forum? Anyway.... I picked up this Motorola MEK 6800 D1 design evaluation board the other day and I'm super happy to have it in my collection. It's definitely the earliest SBC trainer I own and what's...

Here's a cute little device/board put out by Cybernetic Micro Systems from 1983. If picked up a few years ago for super cheap that I think kind of cool. It measures around 6" x 4", has itty bitty address leds, a prototyping area where someone has added some wire wrapped circuitry and ...

I got an email message from ebay letting me know that one of my saved search items ("msbc-1480") was just listed but I didn't recognize the name so I clicked on it but still didn't know what it was nor did I remember saving a search for it. Well, I did a quick search and figured out that it was...

I stumbled upon this manual on ebay, it only had a pic of the cover and it didn't really have any info about what it was, but it did say "microprocessor kit 1975" so I decided to grab it. I wasn't able to find out much about the kit, it looks like International Electronics Unlimited sold the kit...

I picked up this farout adhesive, membrane keyboard made by Keycom/Synertek. It was cheap and unique so I grabbed it. Not sure what these were designed for exactly, seems like something that had a particular application in mind. Couldn't find much on the keyboard or Keycom though that's par for...

I'm a huge fan of electronic music, especially the electronic music of the classical avante garde type, and since I'm also a huge fan of early computer technology I had to grab this lp when I stumbled upon it on ebay. I was hoping it would have some technical notes about the recordings, like...

Hi, I have a deep fondness for the RCA 1802 microprocessor along with their other 1800 series ics, but what I daydream about owning are the various RCA Cosmac trainers and devices such as: Microtutor II Evaluation Kit Microterminal Micromonitor Development System VIP Microboard Microkit...

My favorite group of products is definitely the the RCA Cosmac boards and machines. I'm big fan of early trainers and the like and the Cosmac products are just super dope in every possible way. Unfortunately I have yet to score anything other than the VP series of keyboards, including one of the...

I had previously made a post about this mystery 8085 based single board computer and some of you suggested that the data from the eproms might shed some light on it, unfortunately I don't have the ability to dump the data but fortunately, fellow member, lemonslice, offered to dump the data from...

(I know this probably belongs in the showing off your collection section but whatever....) This was one of those buying without thinking it through first kind of purchases and one which I regretted right after I pulled the trigger so I figured I'd make a post to try to get something more out of...

I LOVE microprocessor trainers. I had a bunch of those Radio Shack/Science Fair experimenter sets growing up and trainers are the more grown up, microprocessor based version of those (and yes...I have the RS/Science Fair Microcomputer Trainer as well, though I didn't have it growing up). This...

Here is a smattering of titles from my vintage computing library. The great thing about these books is that are just as useful today as they were when they first came out, well assuming that you, like I, see the technology and it's machines as still useful, and since you are a member of the...

Hi, I'm looking for the manuals that originally came with this Graymark Microprocessor trainer, I would be happy to pay for scans or even photos of the pages of the manuals, I just want to be able to use this trainer and I need the manuals to do so. Thank you very much, Alan

Long boring part (feel free to skip to 3rd paragraph): Ever since I was a wee lad I have been interested in electronics, I took apart everything I could get my hands growing up, owed a dozen Radio Shack experimenters and eventually I took my love for electronics and started a small business...

I'm always on the hunt for the unique, I'm also a huge fan of microprocessor trainers and SBCs, so when I saw this on ebay for $60 a year ago I just had to have it. When I first saw the thumbnail pic of it I thought "micro trainer!" But then I clicked on the pic and saw that it was actually an...

I've been doing some wheelin' and dealin' lately, letting go of some pieces from my collection so I can pick up some pieces that I want more... Long, boring story part (you may want to skip to the second paragraph, though it is also long winded): So a couple weeks ago I saw a post by a member...

Perhaps there is just not enough interest in vintage homebrew pieces to warrant a section for them but I know there are some of you who go bananas for homebrew stuff like I do and would love to have a section in the forum for us admirers and owners of these pieces to share, archive, ask...