Article on DSP with an Arduino


If I go on the main website and use the search without entering anything then it gives me a single article called “Can you do DSP with an Arduino?”(, which itself has a link to an original article that has the explaination on how to build an audio filter by yourself. here:

Could it be possible that this is a tool to decrypt hidden messages in the ARG?


There could be something useful on itself but I think this are just articles pulled from the web to make the website/forum look like a real amateur radio site.


If I search for an empty string, I get every article that’s ever been posted on ETARC.