摩尔斯电码灯

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shaoziyang
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注册时间: 2019年 10月 21日 13:48

摩尔斯电码灯

#1

帖子 shaoziyang » 2020年 4月 20日 16:36

来自:https://www.hackster.io/amoghsawant2000 ... amp-e4b7de

图片



原理图

图片


参考程序

Code: Select all

from boltiot import Bolt
import time

api_key = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxx" # your bolt api key
device_id = "xxxxxxxxxx" #your bolt device id
mybolt = Bolt(api_key, device_id)

# morse code dictionary; source: https://en.wikipedia.org/wiki/Morse_code
morse_code_dict = {"A":"._", "B":"_...", "C": "_._.", "D": "_..", "E": ".", "F": ".._.",
"G": "__.", "H": "....", "I": "..", "J": ".___", "K": "_._", "L": "._..",
"M": "__", "N": "_.", "O": "___", "P": ".__.", "Q": "__._", "R": "._.",
"S": "...", "T": "_", "U": ".._", "V": "..._", "W": ".__", "X": "_.._",
"Y": "_..__", "Z": "__..", "1": ".____", "2": "..___", "3": "...__", "4": "...._",
"5": ".....", "6": "_....", "7": "__...", "8": "___..", "9": "____.", "0": "_____", " ": ""}

def list_to_string(s): # helper function to convert list to string
string = ""

for letter in s:
string += letter

return string

def filtered_string(string): # this function filter unnecessary symbols from the important message
ignore = "~`!@#$%^&*()_+{}|\:'<>?,./';-="
# converting to list because strings are immutable
string = list(string)
ignore = list(ignore)

for i in range(len(string)):
for j in range(len(ignore)):
if string[i] == ignore[j]:
string[i] = ""

string = (list_to_string(string)).upper()

return string

def morse_code_converter(string): # function to convert main message to morse code
string = filtered_string(string)
morse_code = ""

print("Filtered string: ", string)

for i in string:
morse_code = morse_code + morse_code_dict[i] + " "

return morse_code

def led_blink(code): # function to blink the led on bolt according to dits and dahs in morse code

# time gaps are according to the source: http://www.morsecodeclassnet.com/lesson3/
for i in code:
if i == ".": # dit
mybolt.digitalWrite('0', 'HIGH')
time.sleep(0.1)
mybolt.digitalWrite('0', 'LOW')

elif i == "_": #dah
mybolt.digitalWrite('0', 'HIGH')
time.sleep(0.3)
mybolt.digitalWrite('0', 'LOW')

elif i == " ": # space between letters and words
time.sleep(0.3)


string = input("Enter the string (type '-exit' to quit): ")

while string != "-exit":
morse_code = morse_code_converter(string)
print(morse_code)
led_blink(morse_code)

string = input("Enter the string (type '-exit' to quit): ")

# you can check the output of the code by verifing through this website: https://morsecode.world/international/translator.html
[/i][/i][/i]

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