[Ah2002] didn’t like the shaky needle in his car’s speedometer so he replaced it with a ring of LEDs. The old speedometer had a cable which rotated along with the gearbox for mechanical speed ...

They speak of how he became a Chrysler designer and the tedious things the low man on the totem pole gets to design (speedometer needles; that'll take some wind out of your sails) and the trial ...