Not authorised to Connect

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mackada
 
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Joined: Tue Aug 22, 2017 2:44 am

Not authorised to Connect

Post by mackada »

Using Arduino Uno +Ethernet Shield with DHT11

Error message from adafruit MQTT is "Not authorised to connect"

Why?

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mackada
 
Posts: 2
Joined: Tue Aug 22, 2017 2:44 am

Re: Not authorised to Connect

Post by mackada »

Solved.

My original sketch had some code copied and pasted from a web site which used smart quotes.
These are known to cause a problem with the Arduino.
Even though I had removed the smart quotes the code it would not connect to adafruit.
After I re-typed the same(?) code into a new blank sketch and it executed correctly.

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