Client for Neopixels by Serial

client.py

from serial import Serial
from random import randint
import time

conn = Serial('/dev/rfcomm0', 57600)

def get_value(n):
    return int(n / 2)

def set(index, r, g, b):
    r = get_value(r)
    g = get_value(g)
    b = get_value(b)
    conn.write(chr(index))
    conn.write(chr(128 + r))
    conn.write(chr(128 + g))
    conn.write(chr(128 + b))
    print("led %s (%s, %s, %s)" % (index, r, g, b))

def random():
    for index in range(10):
        r = randint(0, 255)
        g = randint(0, 255)
        b = randint(0, 255)
        set(index, r, g, b)
        time.sleep(1)

def clear():
    for i in range(10):
        set(i, 0, 0, 0)