I read that they will be release a new $1 stm32f4 mcu using a new process soon. http://www.st.com/web/en/news/n3547 http://www.st.com/web/en/news/n3547 BTW ,

I read that they will be release a new $1 stm32f4 mcu using a new process soon. http://www.st.com/web/en/news/n3547 http://www.st.com/web/en/news/n3547 BTW , my mistake , it's stm32f3 , altough it's cortex-m4. a bit weird naming.