# Neo-pixel LED, heart beat. Help

**URL:** <https://discourse.nodered.org/t/neo-pixel-led-heart-beat-help/97990>\
**Category:** General\
**Created:** [6 July 2025 05:45 UTC](https://discourse.nodered.org/t/neo-pixel-led-heart-beat-help/97990 "2025-07-06T05:45:35Z")\
**Posts on this page:** 1\
**Showing post:** 2

<div class="post-metadata">

**Author:** ![Trying\_to\_learn](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/trying_to_learn/32/28400_2.png) [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Post date:** [6 July 2025 06:00 UTC](https://discourse.nodered.org/t/neo-pixel-led-heart-beat-help/97990/2 "2025-07-06T06:00:56Z")

</div>

This is one idea I made up just now messing around.

## This was posted with `flows` but was problematic in rendering/showing the flow.

```auto
[{"id":"4d9e128f61b30b9a","type":"trigger","z":"a1911aa3.c45be8","name":"","op1":"40","op2":"0","op1type":"num","op2type":"num","duration":"250","extend":false,"overrideDelay":false,"units":"ms","reset":"","bytopic":"all","topic":"topic","outputs":2,"x":750,"y":5330,"wires":[["7a69456b898157aa"],["f2ea8ebf91675d97","7a69456b898157aa"]]},{"id":"7d52e8e1113688cd","type":"trigger","z":"a1911aa3.c45be8","name":"","op1":"20","op2":"0","op1type":"num","op2type":"num","duration":"250","extend":false,"overrideDelay":false,"units":"ms","reset":"","bytopic":"all","topic":"topic","outputs":2,"x":970,"y":5380,"wires":[["7a69456b898157aa"],["7a69456b898157aa","ef16a26c16c1e3c2"]]},{"id":"49b7e79d69b3f6ee","type":"inject","z":"a1911aa3.c45be8","name":"Start","props":[{"p":"payload"},{"p":"topic","vt":"str"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"","payload":"","payloadType":"date","x":570,"y":5390,"wires":[["4d9e128f61b30b9a"]]},{"id":"7a69456b898157aa","type":"template","z":"a1911aa3.c45be8","name":"","field":"payload","fieldType":"msg","format":"handlebars","syntax":"mustache","template":"rgb,3,0,{{payload}},0","output":"str","x":1130,"y":5330,"wires":[["cd95830a0d79ecd2","e007d147d4be7647"]]},{"id":"f2ea8ebf91675d97","type":"delay","z":"a1911aa3.c45be8","name":"","pauseType":"delay","timeout":"250","timeoutUnits":"milliseconds","rate":"1","nbRateUnits":"1","rateUnits":"second","randomFirst":"1","randomLast":"5","randomUnits":"seconds","drop":false,"allowrate":false,"outputs":1,"x":760,"y":5380,"wires":[["7d52e8e1113688cd"]]},{"id":"22333e36399b9c35","type":"inject","z":"a1911aa3.c45be8","name":"Stop","repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"CONTROL","payload":"STOP","payloadType":"str","x":570,"y":5250,"wires":[["1048afc94a871bd0"]]},{"id":"14b8f1d26a67e16e","type":"inject","z":"a1911aa3.c45be8","name":"Go","props":[{"p":"payload"},{"p":"topic","vt":"str"}],"repeat":"","crontab":"","once":false,"onceDelay":"1","topic":"CONTROL","payload":"GO","payloadType":"str","x":570,"y":5290,"wires":[["1048afc94a871bd0"]]},{"id":"1048afc94a871bd0","type":"gate","z":"a1911aa3.c45be8","name":"","controlTopic":"CONTROL","defaultState":"open","openCmd":"GO","closeCmd":"STOP","toggleCmd":"toggle","defaultCmd":"default","persist":false,"x":570,"y":5330,"wires":[["4d9e128f61b30b9a"]]},{"id":"ef16a26c16c1e3c2","type":"delay","z":"a1911aa3.c45be8","name":"","pauseType":"delay","timeout":"5","timeoutUnits":"seconds","rate":"1","nbRateUnits":"1","rateUnits":"second","randomFirst":"1","randomLast":"5","randomUnits":"seconds","drop":false,"allowrate":false,"outputs":1,"x":1105,"y":5380,"wires":[["1048afc94a871bd0"]],"l":false}]

```

---

_[View the full topic](https://discourse.nodered.org/t/neo-pixel-led-heart-beat-help/97990)._