Whats better than a SBC Relay Trainer?
A single board computer using an electromechanical CPU
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jhallen
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Twins:
Yes, having two is nice
Nice use of color coding on the led's to make it easier to read the data. What type of relays are the orange cased ones?
Is it a dual core Relay computer, so... ? ;)
No its two separate computers that don't share anything. I normally make two of every kit I build. In the hope that if one of them should ever fail, I can use the working computer and an oscilloscope, logic probe or such to perform test and checks between them for a hint as to the nature of the failure.
In this case I was thinking it would be fun to make a two player game or some program to run between them. I just haven't thought of a good candidate yet, that will fit within their memory limitations.
,Ah ah sure ! That was a joke on my side.
Even if it would be feasable to make them collaborate.
Super cool to try to make a discussion protocol between this two.
Now I have to find a good program/problem to run between them...
Sorry for the delay in getting back to you, I got side-tracked on other things.
Thank you for comment on the LEDs, using the different color LEDs allowed me to make the different data, address and control signals more easily identifiable.
The orange cased relays I got from MPJA. I purchased 100 of them for $.099 each back in 5/2019. They still have them for that price. They work great in the relay computer.
I've attached a closeup image of the two relay models I have used. The TE_CONNECTIVITY black relays came from Allied Electronics and were made in Yugoslavia. They cost a little more than the orange ones.
Each model relay sound slightly different. Both sound great, it would be hard to choose which one sounds better. After all it is the "sound" of the relay computer that gives them their charm/novelty.
Enjoy your twin relay computers.