Custom block

[gillesroszak]

HI guys,
Being a real noob in coding, i need your help for building a custom block.
I have a nodemcu esp8266 who collecting data from T° sensors DS18B20 and send them to thnigspeak who makes graph
I would like to include this graph (iframe) thingspeak to a blank block but I have no idea how to do it !!!!!

Thanks for your reply

[Jachym]

Gilles a block with an iframe is likely to look quite bad because it will be small and slowing your page down. I would say try to avoid iframes as much as possible, especially in blocks

[gillesroszak]

Hi Jachym,
thanks for your reply.
May be there is another way to go ??
Thingspeak provide an API request code, see below :

GRT channel feed :

Code: Select all

GET https://api.thingspeak.com/channels/343953/feeds.json?api_key=......&results=2

Or GET channel field :

Code: Select all

GET https://api.thingspeak.com/channels/343953/fields/1.json?api_key=....&results=2

Can we do something with it

[Jachym]

Yes, that would be much easier, parse the JSON file and then display it in the block much better solution then Iframe.

I edited your post and deleted the API keys from the URL

[gillesroszak]

thanks, for deleting the API key jachym

Can you help me or tell me where i can found some tutorial or explanation to do it please.
it seems to difficult for me

[Jachym]

thanks, for deleting the API key jachym

Can you help me or tell me where i can found some tutorial or explanation to do it please.
it seems to difficult for me

It depends what information from the API result you want.

[gillesroszak]

there will be 2 data series, (soil T° 10 cm and 20 cm) i just want to display the current T° so the last data

[Jachym]

OK, email me the URL with the full API key so that I can look at it and I will send you the customized block by email as well

[gillesroszak]

Ok done it

Thanks

[Jachym]

I sent you the working block.

[gillesroszak]

yes but it does not update ???
What can be the problem ?

[Jachym]

It is cached, if you want to change the cache time

go to the script and modify the number:

if (time()-filemtime("cache/data.txt") > 60 * 30) {

in minutes

[gillesroszak]

OK if I want an update every 10 mn what should i write ?

Very sorry Jachym but ......

[Jachym]

OK if I want an update every 10 mn what should i write ?

Very sorry Jachym but ......

Change 30 to 10:

60 * 10

[gillesroszak]

Thanks