You want to interact with this oot:
The HiFive1 is still available, but is less powerful than the HiFive Unleashed https://www.crowdsupply.com/sifive/hifive1
Still would be good for experimenting, though.
The HiFive1 is still available, but is less powerful than the HiFive Unleashed https://www.crowdsupply.com/sifive/hifive1
Still would be good for experimenting, though.