Tiny CLI and script interpreter for embedded systems. Under 4KB flash, zero malloc, multi-instance. Interactive command line with scriptable dispatch, single-key menus, and pass-through mode.
OBD-II vehicle data for ESP-IDF: read live PIDs, supported-PID maps, and DTCs from an ELM327 adapter over Bluetooth Classic SPP or BLE, or directly off the CAN bus via the on-chip TWAI controller. Shared decode layer, pluggable links, configurable via menuconfig.