User manual

Generally, this would be a full project already. However, the bonus functions are

still missing. They no longer need to be performed in the program, however, but

only on the ThingSpeak-

page. For this, go to Apps and then select React. React can be used to react to

specific events. Click New React to create a new React-function and enter the

following values:

Name: FireDetect1

Condition Type: Numeric

Test Frequency: On Data Insertion

Condition: If Channel

FireAlarm

field 1 (Temp)

is greater than

Action: ThingTweet

then tweet:

Fire Alarm on the #NanoESP! Temp: %%trigger%%C #Thing-

Speak #IoT

Using Twitter Account

[Twitter Account]

Options: Run action only the first time the condition is met

Save React saves the settings. Thus, the first step of monitoring is already made.

If the value is exceeded, ThingSpeak will send a Twitter message via your ac-

count. For the second step, insertion of the alarm command, you need to reach a

bit more deeply into your sleeve. The function is not supported automatically.

ThingHTTP is, however, supported. Therefore, click Apps and then ThingHTTP.

Create a new element there and set the following:

Name: Alarm

URL: https://api.thingspeak.com/talkbacks/[YOUR

TALKBACK ID]/commands

Method: POST

HTTP Version: 1.1

Host: api.thingspeak.com

Headers:

Body: api_key=[YOUR TALKBACK ID]Key com-

mand_string=Alarm&position=1

Ensure that you replace [YOUR TALKBACK ID] and [YOUR TALKBACK KEY] in

the URL and the body part by your TalkBack ID and your KEY. Now you can cre-