Blynk Plans

Hi every one.
I am doing a project using blynk, with a need a chart to simulated a ECG Graf.
I decided to use one char that is not in the plane base, so you need to upgrade your plane to use it.
A bought the plane the cost like 12$, but the Graf was still not enable for me to used.
Can any body tell me what is going on. Did a bought the wrong plane ?

This is the Chart and the plane that a bought:

Can any body help me please ?


Superchart should work…

Yes Plan… My ingles is not that good

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