Traffic light

Owner: Folkert van heusden

Connected to jukebox.

Device: /dev/tl

Serial, 115k2, requires ascii-string ended with cr/lf/cr+lf/lf+rc/and other variations. 3 characters (not binary bytes) that are either 0 or 1. Order: green, yellow, red.

Arduino requires extra seperate power supply or else it'll go in a reboot-loop when switching.

Pinout: g/y/r are on pins 2/3/4. Brown is on 5V, blue on gnd. External power on gnd & vin.