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Audio Filter redesign and more MSX games.

Audio Filter Redesign

After building the more compact Casduino design I started thinking about building an Arduitape in a PP9 case as well which meant adding an extra GND pin to the main Casduino board but most importantly a smaller Audio filter to fit snuggly within the case. I managed to get the design down to 25mm by 15mm so there should be more than enough room. The components are exactly the same as the previous filter.
Here is what the build looks like. 5p for scale.


More MSX .CAS Files

Going through the TOSEC MSX .CAS files I noticed a few more games that were not available in English were on eBay so I quickly bought them and converted them .CAS files for everyone to enjoy. In the .ZIP files are the instructions, box art, etc as well.

Football Manager - World Cup Edition.


Next Plans

My next plans are to build an Arduitape in a PP9 box and hopefully do a full write up on how to build it with all the components and instructions downloadable in .pdf format.

We are also looking in to the viability to if a .PZX version of the Casduino for the ZX Spectrum. A .TZX version doesn't look viable due to the memory available on the Nano, and the extra compression and complexity of the .TZX file format. Andrew is also looking at possibilities for something for the UEF file formats too.

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Introducing the TZXDuino

A Giant Leap For Nerd Kind.
I'm not usually one for silliness but Andrew Beer has been working hard in the background trying to programme the Arduino to play ZX Spectrum .TZX files without the need to convert to a .WAV. Today he has managed to do that with some .TZX files but also with .TAP files as well. The code is still very much in the early stages so the compatibility with.TZX files is still relatively low but in theory all .TAP files should work. I only have 5,246 to test.
What's even better is that the code will work on both the Arduitape and the CASDuino hardware by just uploading the programme to the Nano.

Simply download this file, unzip and load in the Arduino IDE.

How to change Firmware on the Arduitape/TZXDuino/CASDuino.

TZXDuino in the wild

One of the things we've wanted from this project is for people to go out and build their own versions and show us pictures.

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 SMD version.










 Non SMD version
















Piotr has also released the schematic, pcb, and gerber files. They can be downloaded from here.