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How to send wireless temperatures sensor data to thingspeak using MQTTFx
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November 23, 2018
2:45 am
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tomhak45
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Hello, I have been searching about sending the sensor data by installing the MQTT in laptop.
As I am using zigbee based wireless temperature sensor https://store.ncd.io/product/industrial-long-range-wireless-temperature-humidity-sensor/ using WSN property to send data to gateway receiver locally which is connected with esp32.
Because of two communication devices how can I run MQTTFX setup will send the data to things-network cloud ?

Suggestion on this will be a great help.

March 12, 2019
3:06 pm
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cstapels
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If your ESP32 is connected to a network locally and receives the data from the sensor, you can use REST commands or MQTT to update a ThingSpeak channel.
The Things-network is a different service from ThingSpeak.

This example shows how to write to ThingSpeak using the REST calls:
https://www.mathworks.com/help/thingspeak/measure-arduino-wifi-signal-strength-with-esp32.html

Here is the reference information on Writing Data with a REST call.
https://www.mathworks.com/help/thingspeak/writedata.html

You can also use MQTT publish to write data to ThingSpeak.
https://www.mathworks.com/help/thingspeak/mqtt-api.html

Once you have the data in ThingSpeak, you can use the power of MATLAB to analyze your data.
https://www.mathworks.com/help/thingspeak/matlab-analysis-and-visualization.html

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