0.8 Beta - Node Red Automation Examples #353
Replies: 2 comments 12 replies
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I do some similar actions. If there's a person out front, I first ring my "doorbell" (actually a more pleasant sound) to a speaker group in the house, then cast the HA view on a chromecast hub in my kitchen. If the sun is down and my xmas house lights and my standard house lights are off, then I turn the lights on while there are people, then turn them off again after 30 seconds. Lastly, just for the front of house camera, I send myself a photo in a notification with information about exactly what zone the person is in.
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Hi Paul, Any chance you can post the flow config for your Frigate/Events-Parse Function. I'm always looking to improve my skills of using node red especially when it come to writing functions. |
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Sure thing! This is the parse function contents. I specifically try to pull out the label and zone so that I can fill the push notification message appropriately: msg.payload = JSON.parse(msg.payload);
const { camera, id, label, score, start_time, entered_zones } = msg.payload.after;
const startTime = new Date(parseInt(start_time, 10));
const zone = (entered_zones[0] || '').replace(/_/, ' ') || camera;
if (['person'].includes(label) && score >= 0.6) {
return [{ payload: { id, label, score, startTime, zone } }, null];
}
return [null, msg];And the full node-red flow (NOTE: You need to fix the domain on the push notification image URL and update the MQTT and HA connections) |
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Thanks, that's really useful for me. |
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I copied this examples and sometimes I get several alerts because the ID changes within few seconds even though person is clearly in the view and tracking |
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That shouldn't happen unless it loses you. Stationary objects keep tracking. |
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Can you make that "10 frames" value configurable in a future version? Or just base it on the frame rate? I've run into that issue several times and I can't change the fps on one of my cheap cameras :( |
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Literally working on that today. You can also set the fps value in the camera config in frigate to lower it. |
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Awesome! |
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As far as the frigate is used as alert you really only need 1 alert per second o few seconds. You can put a delay node with "rate limit" to 2 seconds. It's also a nice trick to sync sources from different origins...
But be careful because it will "drop" all the alerts over the rate limit ( more than 1 per 2 second). |
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Some simple node red automation examples for use with the 0.8 Beta:-
After importing the flow please see comments inside the node for more info.
Flow: (triple left click to select all)
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