Hi,
All my details, AUTH Token, Template ID are correct as per my dashboard but every time my WSP8266 connects to the blynk server it says Authentication Token invalid.
I read that it could be a GEO problem but where do you change the Blynk server details?
Or am I missing something?
Blynk IOT is definitely not as user friendly for beginner as Legacy was.
Cheers
Hey there.
Can you show me your sketch please ?
[Unformatted code removed by moderator]
You must define BLYNK_TEMPLATE_ID.
OH Duh! Thanks for that, hadnt seen that. 
I was using the template from the Blynk example, you would think that it would have been coded correctly.
Thanks!
Your welcome buddy.
@otto please edit your post, using the pencil icon at the bottom, and add triple backticks at the beginning and end of your code so that it displays correctly.
Triple backticks look like this:
```
Pete.