https://boardrunner2049.github.io/blog/ Technical writing on firmware rehosting, device models, virtual I/O, and cyber-physical systems simulation. en Tue, 13 Oct 2026 21:00:00 -0400 https://boardrunner2049.github.io/blog/virtual-io-at-the-boundary/ https://boardrunner2049.github.io/blog/virtual-io-at-the-boundary/ Tue, 13 Oct 2026 21:00:00 -0400 A closer look at the boundary between a peripheral model, LibVIO, and the device or host on the other side.