Translated with www.DeepL.com/Translator (free version) from Japanese. Original Article https://zenn.dev/tomoyanonymous/articles/c4e9dc8e26f78a2093e8
https://www.electro-smith.com/daisy It's a microcontroller board that can be developed with Arduino IDE based on STM32 and various other microcontroller boards such as DSP libraries and Eurolac modules.