More and more devices, from smart dash cams to head-up displays to Bluetooth-enabled diagnostics dongles, are looking to tap your car’s built-in diagnostic (or OBD-II) port for power and data. The problem: this port… really wasn’t built to be used like that. Primarily designed to be tapped occasionally to better explain that oh-so-vague “Check Engine” light, it… Read Morevia Zero Tech Blog
