binaryLights.py

'''
Microbit Micropython | Binary Digit LED's
Mini project for NCSS challenge that involved some silly hardcoding
Lucas Barbosa | 8.01.2018 | NCSS Summer School | (C)
'''

from microbit import *
import random
import music 

ON = "1"
OFF = "0"

pins = [pin0, pin6, pin7, pin9]
dec_bin = {0: "0000", 1: "1000", 2: "0100", 3: "1100", 4: "0010", 5: "1010", 
           6: "0110", 7: "1110", 8: "0001", 9: "1001", 10: "0101", 11: "1101",
           12: "0011", 13: "1011", 14: "0111", 15: "1111"}
display.off()

while True:
    if button_a.was_pressed():
        rand_num = random.randint(0, 15)
        print(str(rand_num)) 
        for dec, binary in dec_bin.items():
            if rand_num == dec:
                # turn the binary strings into iterable lists
                binary = list(binary)
                binary.reverse()
                # enumerate to use index for pin output signal
                for index, digit in enumerate(binary):
                    if digit == ON:
                        pins[index].write_digital(True)
                    elif digit == OFF:
                        pins[index].write_digital(False)