Published February 26, 2020

Thingspeak get post

A random value will be updated from Python to Thingspeak Cloud and similarly, the stored data can be fetched from Thingspeak to Shell.

IntermediateFull instructions provided3 hours2,412

Things used in this project

Hardware components

Raspberry Pi 3 Model B

Software apps and online services

Raspberry Pi Raspbian OS

ThingSpeak API

Story

ThingSpeak is an IoT analytics platform service that allows you to aggregate, visualize, and analyze live data streams in the cloud. You can send data to ThingSpeak from your devices, create instant visualization of live data, and send alerts.

Code

import urllib.request
import requests
import threading
import json

import random

def thingspeak_post():
    threading.Timer(15,thingspeak_post).start()
    val=random.randint(1,3)
    URl='https://api.thingspeak.com/update?api_key='mention key'&field1=0'
    KEY= 'mention key'
    HEADER='&field1={}&field2={}&field3'.format(val,val)
    NEW_URL = URl+KEY+HEADER
    print(NEW_URL)
    data=urllib.request.urlopen(NEW_URL)
    print(data)
    
if __name__ == '__main__':
    thingspeak_post()

from urllib.request import urlopen

import json
import time


READ_API_KEY=' '
CHANNEL_ID='mention id '


while True:
    TS = urlopen("https://api.thingspeak.com/channels/  'id'/feeds.json?api_key='mention key'&results=2".format(CHANNEL_ID,READ_API_KEY))

    response = TS.read()

    data=json.loads(response.decode('utf-8'))

    print(data)

    print (data["feeds"][1]["field1"])

    a=data["feeds"][1]["field1"]

    if a=='1' :
        print("wood")
        break

    elif a=='2' :
        print("metal")
        break

    else:
        print("plastic")
        break

    TS.close()