2025年12月28日 星期日

[物聯網與智慧工藝] 利用MQTT整合兩塊micro:bit來做燈光控制

MQTT Broker：MQTT GO

micro:bit物聯網和藍芽橋接器：

積木程式：


Python程式：
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def on_button_pressed_a():
    global LEDmode
    LEDmode = (LEDmode + 1) % 10
    basic.show_number(LEDmode)
input.on_button_pressed(Button.A, on_button_pressed_a)

def on_mqtt_qos_list_qos0(message):
    global LEDmode
    if message == "on":
        basic.show_icon(IconNames.CHESSBOARD)
    elif message == "off":
        basic.clear_screen()
    else:
        LEDmode = parse_float(message)
        basic.show_number(LEDmode)
        radio.send_number(LEDmode)
        basic.show_number(LEDmode)
ESP8266_IoT.mqtt_event("NFU/Q-Robot/LED-mode",
    ESP8266_IoT.QosList.QOS0,
    on_mqtt_qos_list_qos0)

def on_button_pressed_b():
    radio.send_number(LEDmode)
input.on_button_pressed(Button.B, on_button_pressed_b)

connect = 0
LEDmode = 0
basic.show_icon(IconNames.HEART)
radio.set_group(88)
LEDmode = 0
basic.pause(1000)
ESP8266_IoT.init_wifi(SerialPin.P8, SerialPin.P12, BaudRate.BAUD_RATE115200)
ESP8266_IoT.connect_wifi("ChiYuan", "22515103")
if ESP8266_IoT.wifi_state(True):
    basic.show_icon(IconNames.YES)
    basic.pause(1000)
    ESP8266_IoT.set_mqtt(ESP8266_IoT.SchemeList.TCP, "NFU_Q-Robot0001", "", "", "")
    ESP8266_IoT.connect_mqtt("MQTTGO.io", 1883, True)
    if ESP8266_IoT.is_mqtt_broker_connected():
        connect = 1
        basic.show_icon(IconNames.HAPPY)
    else:
        connect = 0
        basic.show_icon(IconNames.SAD)
else:
    basic.show_icon(IconNames.NO)

def on_forever():
    pass
basic.forever(on_forever)

具有藍芽通訊能力的燈光控制器：

Python程式：

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def rainbow2():
    global ShiftCount
    strip.show()
    strip.shift(1)
    basic.pause(10)
    ShiftCount = (ShiftCount + 1) % (Number2 + 1)
    if ShiftCount == 0:
        strip.show_rainbow(1, 360)
def rainbow3():
    global range2, ShiftCount
    strip.clear()
    range2 = strip.range(0, ShiftCount)
    range2.show_rainbow(1, 360)
    range2.show()
    ShiftCount = (ShiftCount + 1) % (Number2 + 1)
    basic.pause(10)

def on_received_number(receivedNumber):
    global mode, strip
    mode = receivedNumber
    basic.show_string("" + str(mode))
    if mode == 3 and mode <= 4:
        strip = neopixel.create(DigitalPin.P0, Number2, NeoPixelMode.RGB)
        strip.show_rainbow(1, 360)
    elif mode >= 5:
        strip.clear()
        strip.show()
radio.on_received_number(on_received_number)

def monochrome():
    if submode == 0:
        strip.show_color(neopixel.colors(NeoPixelColors.RED))
    elif submode == 1:
        strip.show_color(neopixel.colors(NeoPixelColors.ORANGE))
    elif submode == 2:
        strip.show_color(neopixel.colors(NeoPixelColors.YELLOW))
    elif submode == 3:
        strip.show_color(neopixel.colors(NeoPixelColors.GREEN))
    elif submode == 4:
        strip.show_color(neopixel.colors(NeoPixelColors.BLUE))
    elif submode == 5:
        strip.show_color(neopixel.colors(NeoPixelColors.INDIGO))
    elif submode == 6:
        strip.show_color(neopixel.colors(NeoPixelColors.VIOLET))
    elif submode == 7:
        strip.show_color(neopixel.colors(NeoPixelColors.PURPLE))
    elif submode == 8:
        strip.show_color(neopixel.colors(NeoPixelColors.WHITE))
    elif submode == 9:
        strip.show_color(neopixel.colors(NeoPixelColors.BLACK))
    strip.show()

def on_button_pressed_a():
    global mode, strip
    mode = (mode + 1) % maxMode
    basic.show_string("" + str(mode))
    if mode == 3 and mode <= 4:
        strip = neopixel.create(DigitalPin.P0, Number2, NeoPixelMode.RGB)
        strip.show_rainbow(1, 360)
    elif mode >= 5:
        strip.clear()
        strip.show()
input.on_button_pressed(Button.A, on_button_pressed_a)

def loudness():
    strip.clear()
    strip.show_bar_graph(Math.map(input.sound_level(), 0, 255, 0, 16), 16)
    strip.show()
def rainbow5():
    global range2, ShiftCount
    strip.clear()
    range2 = strip.range(randint(0, Number2 - 1), 1)
    range2.show_color(randint(0, 65535))
    range2.show()
    ShiftCount = (ShiftCount + 1) % (Number2 + 1)
    basic.pause(10)
def rainbow():
    strip.rotate(77)
    strip.show()
    basic.pause(100)
def rainbow4():
    global range2, ShiftCount
    strip.clear()
    range2 = strip.range(ShiftCount, 1)
    range2.show_rainbow(1, 360)
    range2.show()
    ShiftCount = (ShiftCount + 1) % (Number2 + 1)
    basic.pause(10)

def on_button_pressed_b():
    global submode
    submode = (submode + 1) % 10
input.on_button_pressed(Button.B, on_button_pressed_b)

def brightness():
    strip.clear()
    strip.show_bar_graph(Math.map(input.light_level(), 0, 255, 0, 16), 16)
    strip.show()
range2: neopixel.Strip = None
strip: neopixel.Strip = None
ShiftCount = 0
Number2 = 0
submode = 0
maxMode = 0
mode = 0
mode = 0
maxMode = 10
submode = 0
Number2 = 300
ShiftCount = 0
strip = neopixel.create(DigitalPin.P0, Number2, NeoPixelMode.RGB)
radio.set_group(88)
basic.show_string("" + str(mode))

def on_forever():
    global submode
    if mode == 0:
        strip.clear()
        strip.show()
    elif mode == 1:
        monochrome()
    elif mode == 2:
        monochrome()
        basic.pause(500)
        submode = (submode + 1) % 10
    elif mode == 3:
        rainbow()
    elif mode == 4:
        rainbow2()
    elif mode == 5:
        rainbow3()
    elif mode == 6:
        rainbow4()
    elif mode == 7:
        rainbow5()
    elif mode == 8:
        loudness()
    else:
        brightness()
basic.forever(on_forever)
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