Raspberry Pi Pico W 空氣品質檢測系統 — 上傳感測器數值到 Google 試算表

help('modules')

import machine
import utime
import dht
from ssd1306 import SSD1306_I2C
from adafruit_sgp30 import Adafruit_SGP30
from time import sleep
import network
import ntptime
import urequests





# 初始化 SGP30和OLED的I2C
i2c_sgp = machine.SoftI2C(sda=machine.Pin(8), scl=machine.Pin(9))
i2c_oled = machine.SoftI2C(sda=machine.Pin(4), scl=machine.Pin(15))


# 初始化 OLED
oled_width = 128
oled_height = 64
oled = SSD1306_I2C(oled_width, oled_height, i2c_oled)


# 初始化 UART
uart = machine.UART(0, baudrate=9600, tx=machine.Pin(0), rx=machine.Pin(1), timeout=1000)
uart.init(9600, bits=8, parity=None, stop=1)





# 初始化 DHT22 
dht22 = dht.DHT22(machine.Pin(2))


# 初始化 SGP30 
sgp30 = Adafruit_SGP30(i2c_sgp)


# ...
# 設置變數
# ...
pm1_cf = 0
pm25_cf = 0
pm10_cf = 0
temp = 0
humidity = 0
eco2 = 0
tvoc = 0


# 決定OLED切換顯示感測器數值的變數
display_sensor = 0


# 獲得現在時間
start_time = utime.time()





# 初始化WiFi
sta_if = network.WLAN(network.STA_IF)
sta_if.active(True)





wifi_ssid = "XXXXXXX"
wifi_password = "XXXXXX"





sta_if.connect(wifi_ssid, wifi_password)


#輸入IFTTT資訊
IFTTT_API_KEY = "XXXXXXXXXXXXX"
IFTT_EVEN_NAME="XXXXXXXXXXX"





while True:


    current_time = utime.time()


    # 得到DHT22數值
    dht22.measure()
    temp = dht22.temperature()
    humidity = dht22.humidity()


    # 得到PMS5003數值
    data = bytearray(uart.read(32))


    # 得到SGP30數值
    eco2 = sgp30.co2eq
    tvoc = sgp30.tvoc


    if data is not None and len(data) >= 10 and data[0] == 0x42 and data[1] == 0x4d:
        pm1_cf = int.from_bytes(data[4:6], 'big')
        pm25_cf = int.from_bytes(data[6:8], 'big')
        pm10_cf = int.from_bytes(data[8:10], 'big')


        if current_time - start_time >= 3:
            # 每3秒鐘切換數值顯示
            display_sensor = (display_sensor + 1) % 3
            start_time = current_time


        oled.fill(0)
        if display_sensor == 0:
            # 顯示PMS5003數值
            oled.text("PM1.0: %d ug/m3" % pm1_cf, 0, 22)
            oled.text("PM2.5: %d ug/m3" % pm25_cf, 0, 38)
            oled.text("PM10 : %d ug/m3" % pm10_cf, 0, 54)
        elif display_sensor == 1:
            # 顯示DHT22數值 
            oled.text("Temp: %3.1f C" % temp, 0, 22)
            oled.text("Humidity: %3.1f %%" % humidity, 0, 38)
        else:
            # 顯示SGP30數值
            oled.text("eCO2: %d ppm" % eco2, 0, 22)
            oled.text("TVOC: %d ppb" % tvoc, 0, 38)
        oled.show()


    
    # 上傳data 到 IFTTT
    sensor_readings = {
        'value1': pm25_cf,
        'value2': temp,
        'value3': eco2
    }
    print('Printing sensorredings')
    print(sensor_readings)
    request_headers = {'Content-Type': 'application/json'}
    
    request = urequests.post(
        'https://maker.ifttt.com/trigger/' + IFTT_EVEN_NAME +'/with/key/' + IFTTT_API_KEY,
        json=sensor_readings,
        headers=request_headers
    )
    print(request.text)
    request.close()
    
    sleep(1)