Granuloma annulare causes a rash that’s easily mistaken for ringworm. This rash forms a clear circle with small, firm, ...

The circular rash may look like a round, flat patch ... It causes bumps to form a circular or ring-shaped rash. The rash most often appears on the hands, arms, or feet. Less commonly, it can ...

Rain droplets are round, so the light passing through them follows the circular shape - it's possible to see a full circle rainbow if you're stood on top of a mountain or on a plane. A staple part ...

So read on to see how to implement a simple, straightforward circular buffer in C for microcontrollers (or heck, for anything). Buffers are such a handy tool to have in your programming toolkit ...