One of the more popular items on my website here are the Arduino based CTCSS projects
One disadvantage of these projects is that a traditional ATMega328p microcontroler is rather big and in the way it is used in the projects needs a 16MHz x-tal to function. This results in a circuit that is often to big and also a more expensive solutions that one would hope for. For these reasons I've created a new version of this project based on the popular "ATTiny" microcontrollers.
The Raspberry Pi Pico was the first Microcontroller build by the Raspberry Pi foundation, and you know what? You can use it as an SDR !
The idea is to use the ADC of the Pico to sample and forward the data via emulated TCP/IP to a regular PC where you can run your favorite SDR software
More information on this project can be found on github at this page:
https://github.com/luigifcruz/pico-stuff/tree/main/apps/piccolosdr
In a way Ham Radio has always been related fairly closely to science. Ham's are experimenting with radio waves so exept for the approach and the more formal organisation of the science world, Ham's are a kind of scientists by themselves.
But there's more as these two worlds don't live completely separated from each other. Many scientists are als Ham's but also some hams are doing research that is actually pretty close to the same work scientists are doing.
Recently I've learned about something calles "HAMSCI" short for "Ham Radio Science Citizen Investigation".
