# Aquarium Atlasscientific I2C fail

**URL:** <https://discourse.nodered.org/t/aquarium-atlasscientific-i2c-fail/31085>\
**Category:** General\
**Created:** [3 August 2020 15:29 UTC](https://discourse.nodered.org/t/aquarium-atlasscientific-i2c-fail/31085 "2020-08-03T15:29:48Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Sebchauvour](https://avatars.discourse-cdn.com/v4/letter/s/f05b48/32.png) [@Sebchauvour](https://discourse.nodered.org/u/Sebchauvour)\
**Post date:** [3 August 2020 15:29 UTC](https://discourse.nodered.org/t/aquarium-atlasscientific-i2c-fail/31085/1 "2020-08-03T15:29:48Z")

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Google translate

Hello

I am unable to read I2C PH Probe and EC Probe data.

Thanks for your help

Configuration

Raspberry PI4

AtlasScientific:

Raspberry PI4

AtlasScientific :

Whitebox Labs Tentacle T3

> **[Whitebox Labs Tentacle T3 | Atlas Scientific](https://atlas-scientific.com/carrier-boards/whitebox-labs-tentacle-t3/)**
>
> The T3 for Raspberry Pi isolates sensors and eliminates issues with noise and ground loops that can arise using the Atlas Sensors in closed-loop systems.

Circuit pH EZO

> **[EZO™ pH Circuit | Atlas Scientific](https://atlas-scientific.com/circuits/ezo-ph-circuit/)**
>
> Atlas Scientific’s EZO-pH circuit gives engineers the ability to read pH with the same accuracy and capabilities that were traditionally only found in expensive bench-top meters.

Circuit de conductivité EZO ™

> **[EZO™ Conductivity Circuit | Atlas Scientific](https://atlas-scientific.com/circuits/ezo-conductivity-circuit/)**
>
> The Atlas Scientific EZO-EC Circuit reads conductivity, salinity, and TDS (PPM) which are fundamental measurements of water chemistry.

Bonjour

Je n’arrive pas à lire les données I2C PH Probe et EC Probe.

Configuration

Merci pour votre aide

Sébastien

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<div class="post-metadata">

**Author:** ![Sebchauvour](https://avatars.discourse-cdn.com/v4/letter/s/f05b48/32.png) [@Sebchauvour](https://discourse.nodered.org/u/Sebchauvour)\
**Post date:** [3 August 2020 15:30 UTC](https://discourse.nodered.org/t/aquarium-atlasscientific-i2c-fail/31085/2 "2020-08-03T15:30:55Z")

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[Projet complet.json](https://discourse.nodered.org/uploads/short-url/7l2a7XYgtrENKL3BQxnXjO9wvNR.json) (171.8 KB)

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<div class="post-metadata">

**Author:** ![Sebchauvour](https://avatars.discourse-cdn.com/v4/letter/s/f05b48/32.png) [@Sebchauvour](https://discourse.nodered.org/u/Sebchauvour)\
**Post date:** [3 August 2020 15:31 UTC](https://discourse.nodered.org/t/aquarium-atlasscientific-i2c-fail/31085/3 "2020-08-03T15:31:26Z")

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[flows start.json](https://discourse.nodered.org/uploads/short-url/xK7qtyzLrdcvhDQZWoM3K2NK3il.json) (1.5 KB)

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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:** [2 October 2020 15:31 UTC](https://discourse.nodered.org/t/aquarium-atlasscientific-i2c-fail/31085/4 "2020-10-02T15:31:31Z")

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