# How i can send data sensor mqtt to thingsboard

**URL:** <https://discourse.nodered.org/t/how-i-can-send-data-sensor-mqtt-to-thingsboard/60103>\
**Category:** General\
**Tags:** http-request, mqtt\
**Created:** [20 March 2022 11:59 UTC](https://discourse.nodered.org/t/how-i-can-send-data-sensor-mqtt-to-thingsboard/60103 "2022-03-20T11:59:20Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![nicolaa](https://avatars.discourse-cdn.com/v4/letter/n/e5b9ba/32.png) [@nicolaa](https://discourse.nodered.org/u/nicolaa)\
**Post date:** [20 March 2022 11:59 UTC](https://discourse.nodered.org/t/how-i-can-send-data-sensor-mqtt-to-thingsboard/60103/1 "2022-03-20T11:59:20Z")

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hello , please how i can send data mqtt sensor to I dashboard thingsboard .

 ![Capture d’écran (75)](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/3X/5/a/5a8f4d8c09236bf9d1c3d1626d4779b154bdfdbc.png)  
I HAVE ERROR ""TypeError: Cannot read properties of undefined (reading '0')"

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 ![Capture d’écran (74)](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/3X/c/0/c0afcedb31853274690784abde8d66e4cc08f994.png)  
Uploading: Capture d’écran (73).png...

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**Author:** ![Colin](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/colin/32/17040_2.png) [@Colin](https://discourse.nodered.org/u/Colin)\
**Post date:** [20 March 2022 12:21 UTC](https://discourse.nodered.org/t/how-i-can-send-data-sensor-mqtt-to-thingsboard/60103/2 "2022-03-20T12:21:22Z")

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The first thing to do is to give you nodes names (including the debug nodes). Then you can see which node is generating the error. Next add a debug node to see what is going _into_ that node and check it looks right.

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**Author:** ![system](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/1X/d073cd938eafa2e558d7c2cd59003b3ef4963033.png) [@system](https://discourse.nodered.org/u/system)\
**Post date:** [19 May 2022 12:21 UTC](https://discourse.nodered.org/t/how-i-can-send-data-sensor-mqtt-to-thingsboard/60103/3 "2022-05-19T12:21:39Z")

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