Node-RED/CheatSheet: Difference between revisions
< Node-RED
(Created page with "== Global variables == <pre> var labelmode = global.get("labelmode") </pre> == Node Status == <pre> node.status({fill:"gray",shape:"dot",text:msg.serialnumber + " = " + msg.pclass + "W"}); </pre> == Stop messages == <pre> if ( ...)) { return null; } else { return msg; } </pre> == InfluxDB == * write data with custom timestamp <pre> var timestamp = new Date(date + 'Z').getTime() * 1e6 msg = { payload : { value: value, time: timestamp },...") |
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<pre> | <pre> | ||
var labelmode = global.get("labelmode") | var labelmode = global.get("labelmode") | ||
global.set("labelmode", 123) | |||
</pre> | </pre> | ||
| Line 8: | Line 9: | ||
node.status({fill:"gray",shape:"dot",text:msg.serialnumber + " = " + msg.pclass + "W"}); | node.status({fill:"gray",shape:"dot",text:msg.serialnumber + " = " + msg.pclass + "W"}); | ||
</pre> | </pre> | ||
== Stop messages == | == Stop messages == | ||
<pre> | <pre> | ||
Revision as of 11:43, 18 May 2024
Global variables
var labelmode = global.get("labelmode")
global.set("labelmode", 123)
Node Status
node.status({fill:"gray",shape:"dot",text:msg.serialnumber + " = " + msg.pclass + "W"});
Stop messages
if ( ...)) {
return null;
} else {
return msg;
}
InfluxDB
- write data with custom timestamp
var timestamp = new Date(date + 'Z').getTime() * 1e6
msg = { payload : { value: value,
time: timestamp },
measurement: topic }