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Forum Index : Microcontroller and PC projects : ELLO 1A with RTC
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| PhenixRising Guru  Joined: 07/11/2023 Location: United KingdomPosts: 1826 |
Knivd came up with a beautiful P2 module, over on the Parallax forum. Others have elaborated on the design but no sign of Knivd in a long time. |
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| Frank N. Furter Guru Joined: 28/05/2012 Location: GermanyPosts: 1070 |
He apparently updated RIDE on his GitHub account three weeks ago: https://github.com/knivd/C.impl-extended-C-interpreter-for-microcontrollers Frank |
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Mixtel90 Guru Joined: 05/10/2019 Location: United KingdomPosts: 8751 |
I always intended to build a ELLO but I couldn't find a source of the VGA/PS2 connector at a sensible price once postage had been taken into consideration. In fact, I found it very difficult to source other than from Mouser IIRC - a company I've never dealt with. I had a brief attempt at laying out a new board with more common connectors but gave up as it wasn't working out. I've not touched it for ages, but I still have the PCB if anyone wants it for the cost of the postage. I would advise anyone interested to find the connector first. Mick Zilog Inside! nascom.info for Nascom & Gemini Preliminary MMBasic docs & my PCB designs |
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| Frank N. Furter Guru Joined: 28/05/2012 Location: GermanyPosts: 1070 |
Yes, I ordered that connector from Mouser back then, too. It was relatively expensive (significantly more than a standard VGA and two PS/2 connectors would have cost). It’s only worth ordering from Mouser if you exceed the magic €50 threshold - then you don’t pay shipping costs, which otherwise amount to €20 on their own. On the other hand, Mouser doesn’t charge a minimum order fee - only a mischievous person would think ill of that...  Still, it's a pretty nice little device and a lot of fun to use! It's really annoying that the .lsl command doesn't work anymore. It was very helpful to list the internal libraries... Unfortunately, I don't have a GitHub account - maybe someone could bring the issues I've listed to Knivd's attention? Frank |
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| PhenixRising Guru Joined: 07/11/2023 Location: United KingdomPosts: 1826 |
I have an affinity for the PIC32MX170 but with the ByPIC interactive language. Such a shame that it didn't catch on. At 40MHz and 32bit integers, performance is easily up there with the CMM2. Hardware interrupts and a huge library of code. If you choose to run your program within a fixed timer interrupt period (in my case, 1ms), the command prompt remains active. Compiled C code is only seven times faster. |
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