ESP8266 Community Forum

- Wed Jun 17, 2015 6:03 pm #20752 Hi Gerry

I think I have fixed it.

I cleared all Arduino 'stuff' off my PC, except my sketches. I also cleared references to Arduino ERW 1.03 from my system path.

So with a virtually Arduino IDE free system I installed V1.6.5 and then ESP8266 support as per previous post.

The sketch now compiles without the 'F' was not declared in this scope error.

Thanks for your input.

Regards

BillP

- Wed Jun 17, 2015 9:49 pm #20763

… What turned out to work very well is using Google Chart Objects with a simple web-server on the ESP8266. By this way you can get quite nice graphs without any need for cloud accounts …

Nice work!

This allows to make microcontrollers easily (and with only few bytes of HTML) display stuff
(you made me play with geocharts Gist, HTML).


Using Graphviz (http://graphviz.org) you can even produce automatic layouts!
Here is a simple sample, do "View Page Source" on it:
https://stamm-wilbrandt.de/Viz.js/example.html

More details can be found in Graphviz / Viz.js and Graphvizfiddle blog postings.


Just a small ESP related sample, you can edit layout here, this is the rendered SVG:



Hermann.