stm32f7-discovery

The hardware for THE DANISH KEYER are the STM32F7-DISCOVERY board 

You can find the homepage of the board here http://www.st.com/web/en/catalog/tools/FM116/SC959/SS1532/LN1848/PF261641?icmp=pf261641_pron_pr-massmarket_jun2015&sc=stm32f7discovery-pr

On that page you can find all the dealers.

When you read about that board I am sure you will see taht it is VERY powerfull and almost perfect for all the features we do want in a keyer.