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node-red-node-emoncms
A Node-RED node to send fetch/post data to/from emoncms.org, local emoncms server or any other emoncms server.
Install
Run the following command in your Node-RED user directory - typically ~/.node-red
npm install node-red-node-emoncms
Usage
Emoncms post:
Preferred Data Type
The API now accepts a validated JSON object for the name value pairs. This is the preferred data type.
Legacy Data Type Support
The original input API for emoncms used a URI in the format post.json?. If the data type of legacy is selected, the msg.payload can contain:
A comma separated list of name value pairs, e.g.
name:value,...
A comma separated list of values (CSV), e.g.
1,2,..
A simple javascript object (note no quotes) e.g.
{temp:12, humidity:56};
Node
If Node is left blank msg.nodegroup will be used (if set). A Node must be set or the flow will fail.
msg.time
Insertion time can be manipulated by setting msg.time. This can be an ISO format date/time or a number of seconds in epoch format - i.e. seconds since 1970. If no time is set time now is set by emoncms.
Status
The flow will indicate if the node has successfully called the API. This is not a guarantee the data has been inserted to emoncms.
Emoncms In:
Fetches last emoncms feed value, returns a numerical value.