# Raspberry Pi3, GrovePi+ board, Grove - I2C Hub and two sensors

**URL:** <https://discourse.nodered.org/t/raspberry-pi3-grovepi-board-grove-i2c-hub-and-two-sensors/42633>\
**Category:** General\
**Created:** [14 March 2021 18:56 UTC](https://discourse.nodered.org/t/raspberry-pi3-grovepi-board-grove-i2c-hub-and-two-sensors/42633 "2021-03-14T18:56:07Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![TonyKybkalo](https://avatars.discourse-cdn.com/v4/letter/t/ebca7d/32.png) [@TonyKybkalo](https://discourse.nodered.org/u/TonyKybkalo)\
**Post date:** [14 March 2021 18:56 UTC](https://discourse.nodered.org/t/raspberry-pi3-grovepi-board-grove-i2c-hub-and-two-sensors/42633/1 "2021-03-14T18:56:07Z")

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Hello everyone,

I have (maybe stupid) question:

I have Raspberry Pi3, GrovePi+ board, Grove - I2C Hub and two sensors.

GrovePi+ board is connected to Raspberry Pi3.  
Grove - I2C Hub is connected to GrovePi+ board via I2C (port 1).

main question is: which node (in Node-RED) I have to use for reading values from both sensors separatly?

Thank you very much

 ![161059525_439428990628072_5203009395595944052_n](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/3X/2/5/255bb3941b995e9d2316738b64cb6b7855d12263.jpeg)

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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:** [13 May 2021 18:56 UTC](https://discourse.nodered.org/t/raspberry-pi3-grovepi-board-grove-i2c-hub-and-two-sensors/42633/2 "2021-05-13T18:56:19Z")

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