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Despite the availability of newer technology that would have allowed for many improvements the K as sold today still works the same as the very first units sold. It is a drop in replacement for the existing firmware chip and requires no soldering or circuit modifications to work. Wich one would be the best buy for me. Instructions are included in the readme file. In addition I have been involved in the DIY Christmas lighting community here in Australia just to get a feel of where to direct this project. It was designed in a time where cheap microcontrollers with a USB peripherials only supported USB working in low speed mode. The reason why this is so is because the actual number of data packets required to be sent alters depending on both the number of zeroed channels and their place in the stream.
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Where can I find this modified DLL? But to my advantage to keep anyway Depending on the sort of interest and feedback received the project will be further developed so please if you are interested please k8602 me a line. The development of this new software has delayed vellenan release of the firmware by a few days but it does represent a huge leap in the development of this update. Retrieved from ” https: Without getting to picky about very exact timings the general comparison is:.
This is veleman the k chokes on anything other than the most basic DMX set-up and why so many of them sit idle not fit for the purpose they were bought for.
And you have to make it yourself!
Velleman K Upgrade – wiki. The way this trick is implemented though is poor and can actually make things worst! It is a drop in replacement vellemab the existing firmware chip and requires no soldering or circuit modifications to work.
The problems of the K really are a legacy of the era of its design.
This new firmware, coded “VX,” is a complete independent clean room design. There are a number of possibilities for further upgrades like pixel ,8062 and hyper DMX and other stuff. Without modifying these the issues cannot be resolved. A quick internet search reveals this to be 8k062 with many distributors world-wide. The protocol used between the Velleman firmware and the software uses a simple form of compression in order to increase the speed.
What it does is count the number of consecutive zero value channels, If and when they aline with the start of the payload of the USB packet and rather than send them as individual channels it instead sends a count of the number of zero channels over the USB HID interface.
Purchasers will have reason to be happy that indeed they good performance and value out of their purchase.
Wich one would be the best buy for me. The Open Lighting Project has moved! To get the most from Vellsman the transfer size of the HID packets needs adjusting from 8-bytes to bytes per transfer.
Despite the availability of newer technology that would have allowed for many improvements the K as sold today still works the same as the very first units sold.
The Proof of concept package is now in its third release after some valuable k062. The new software has been tested with FreeStlyer and LightPlayer as well as the simple demos provided from Velleman.
The reason why this is so is because the actual number of data packets required to be sent alters depending on both the number of zeroed channels and their place in the stream. Meanwhile I have search for a replacement device in case the Vellemenan does not do the job.
I will make some testing and keep you posted on my results.
Sorry for the lack of updates. Furtheremore I did some test using the modified DLL.
A retro fit of new 3rd party firmware is now MAY 18th in testing. The firmware then reconstructs the full stream using this “zeroed” channel count plus k80062 rest of the non-zero channel data. The designer of the original firmware made some attempt to address the poor throughput of their unit.
This page was last edited on 6 Februaryat A proof of concept package is available now free of charge. However verified by several people Velleman decided to remain with the low speed mode and not upgrade the performance of the K, probably to ensure backwards compatibility with the units they had already shipped.
I don’t know if it would be usefull to you.