2 """ Randomly blink all led matrices on a device """
3 import time
, random
, sys
4 from pylibcerebrum
import ganglion
5 port
, speed
= sys
.argv
[1], 115200
7 speed
= int(sys
.argv
[2])
9 g
= ganglion
.Ganglion(port
, speed
)
13 if m
.type == 'led_matrix':
14 m
.buffer = [ random
.randint(0, 1) for i
in range(28)]