MicroPython动手做（31）——物联网之Easy IoT

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mPython X 实验图形编程

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二个设备接收到消息的情况

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9、通过Easy IoT平台远距控制开关RGB灯


[mw_shl_code=arduino,true]#MicroPython动手做（31）——物联网之Easy IoT
#通过Easy IoT平台远距控制开关RGB灯

from mpython import *

import network

my_wifi = wifi()

my_wifi.connectWiFi('zh', 'zy1567')

from umqtt.simple import MQTTClient

mqtt = MQTTClient('0805e3d04f3b34e7', '182.254.130.180', 1883, 'qlZ0uezGR', '3_W0uezGgz', keepalive=30)

try:
    mqtt.connect()
    print('Connected')
except:
    print('Disconnected')

mqtt.set_last_will('TvkJXezMR', 'Ready!')

import time

import music

from machine import Timer

import ubinascii

def mqtt_topic_54766b4a58657a4d52(_msg):
    oled.DispChar((str(_msg)), 55, 24, 1)
    oled.show()
    if 'on' == _msg:
        music.play('D5:1')
        rgb.fill((int(255), int(0), int(0)))
        rgb.write()
        time.sleep_ms(1)
        oled.DispChar('开灯', 52, 36, 1)
        oled.show()
    elif 'off' == _msg:
        music.play('F5:1')
        rgb.fill( (0, 0, 0) )
        rgb.write()
        time.sleep_ms(1)
        oled.DispChar('关灯', 52, 36, 1)
        oled.show()

def mqtt_callback(topic, msg):
    try:
        topic = topic.decode('utf-8', 'ignore')
        _msg = msg.decode('utf-8', 'ignore')
        eval('mqtt_topic_' + bytes.decode(ubinascii.hexlify(topic)) + '("' + _msg + '")')
    except: print((topic, msg))

mqtt.set_callback(mqtt_callback)

mqtt.subscribe("TvkJXezMR")

def timer14_tick(_):
    mqtt.ping()

tim14 = Timer(14)
tim14.init(period=20000, mode=Timer.PERIODIC, callback=timer14_tick)
oled.invert(0)
oled.DispChar('Hello, world!', 24, 10, 1)
oled.show()
rgb[1] = (int(0), int(102), int(0))
rgb.write()
time.sleep_ms(1)
music.play('G5:1')
while True:
    mqtt.wait_msg()[/mw_shl_code]

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通过Easy IoT平台远距控制开关RGB灯

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mPython  实验图形编程

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TvkJXezMR设备接收到的命令消息

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10、输入数字远距离画空心园


[mw_shl_code=arduino,true]#MicroPython动手做（31）——物联网之Easy IoT
#输入数字远距离画空心园

from mpython import *
import network
from umqtt.simple import MQTTClient
import music
import time
from machine import Timer
import ubinascii

my_wifi = wifi()

my_wifi.connectWiFi("zh", "zy1567")

mqtt = MQTTClient("664fa81baa7fe777", "182.254.130.180", 1883, "qlZ0uezGR", "3_W0uezGgz", keepalive=30)

mqtt.set_last_will("ZlB0tWZMg", "Hello, world!")

try:
    mqtt.connect()
    print('Connected')
except:
    print('Disconnected')

def mqtt_topic_5a6c423074575a4d67(_msg):
    if int(_msg) < 32:
        rgb.fill((int(0), int(0), int(153)))
        rgb.write()
        time.sleep_ms(1)
        music.play('E5:1')
        oled.fill(0)
        oled.circle(64, 32, (int(_msg)), 1)
        oled.show()
    else:
        rgb.fill((int(102), int(0), int(0)))
        rgb.write()
        time.sleep_ms(1)
        oled.fill(0)
        oled.DispChar("请输入正整数", 30, 12, 1)
        oled.DispChar("数值应小于32", 30, 24, 1)
        oled.show()

def mqtt_callback(topic, msg):
    try:
        topic = topic.decode('utf-8', 'ignore')
        _msg = msg.decode('utf-8', 'ignore')
        eval('mqtt_topic_' + bytes.decode(ubinascii.hexlify(topic)) + '("' + _msg + '")')
    except: print((topic, msg))

mqtt.set_callback(mqtt_callback)

mqtt.subscribe("ZlB0tWZMg")

def timer14_tick(_):
    mqtt.ping()

tim14 = Timer(14)
tim14.init(period=20000, mode=Timer.PERIODIC, callback=timer14_tick)


music.play('D5:1')
rgb[1] = (int(0), int(102), int(0))
rgb.write()
time.sleep_ms(1)
oled.invert(0)
oled.DispChar("远距画空心圆", 30, 12, 1)
oled.show()
while True:
    mqtt.wait_msg()[/mw_shl_code]

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mPython X 实验图形编程

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ZlB0tWZMg设备接收到的数字命令消息