# Periodic commands

Other recurring host→device traffic outside the main telemetry loop.

| File | Topic |
|------|-------|
| [`group-0x0E-param-reader.md`](group-0x0E-param-reader.md) | Parameter table reader / debug console (host → devs `0x12`/`0x13`/`0x17`, ~9 Hz) |
| [`group-0x1F.md`](group-0x1F.md) | Host → dev `0x12`, ~3 Hz |
| [`group-0x28.md`](group-0x28.md) | Host → dev `0x13`, occasional |
| [`group-0x29.md`](group-0x29.md) | Host → dev `0x13`, once during config |
| [`group-0x2B.md`](group-0x2B.md) | Host → dev `0x13`, occasional |
