I’ve done some flashcards at
These are not about the whole of FP1 or M2. Deliberately. On the whole, I think trying to learn how to do maths by flashcards is like trying to learn how to play football, or play the piano, by flashcards.
Practice is the answer.
The flashcards are about specific things where sometimes students forget, and plain ordinary memorisation can be useful.
You can transcribe them onto physical cards if you find that useful.