1. Overview & Product Context LUFI (often stylized as Lufi ) is a brand known within the automotive aftermarket and diagnostics community, specifically for manufacturing OBD2 (On-Board Diagnostics) gauges and data loggers . The "XF" series represents a specific generation of their hardware—a compact, plug-and-play digital dashboard that displays real-time vehicle parameters via an LCD screen.

if (can_id == 0x7E8 && data[2] == 0x0C) data[4]; rpm = raw / 4.0; // OBD2 formula (A*256+B)/4 gauge_set_value(GAUGE_RPM, rpm);