# ADS1115 extract voltage value

**URL:** https://discourse.nodered.org/t/ads1115-extract-voltage-value/50651
**Category:** General
**Created:** [5 September 2021 23:36 UTC](https://discourse.nodered.org/t/ads1115-extract-voltage-value/50651 "2021-09-05T23:36:30Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![RackBoy](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/rackboy/32/47595_2.png) [@RackBoy](https://discourse.nodered.org/u/RackBoy)
#### Post date: [5 September 2021 23:36 UTC](https://discourse.nodered.org/t/ads1115-extract-voltage-value/50651/1 "2021-09-05T23:36:30Z")

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I've been trying to get the voltage value to show it in a gauge but I can't. I've put the change node but it didn´t work.  
This is what it shows: {"voltage":2.8600872829371013,"channel":["A0-GND"],"I2C":["ADDRESS\_0x48"],"chip":["ADS1115"]}  
Any suggestions?

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<div class="post-metadata">

### Author: ![jbudd](https://avatars.discourse-cdn.com/v4/letter/j/5f8ce5/32.png) [@jbudd](https://discourse.nodered.org/u/jbudd)
#### Post date: [6 September 2021 00:11 UTC](https://discourse.nodered.org/t/ads1115-extract-voltage-value/50651/2 "2021-09-06T00:11:12Z")

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![Untitled 2](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/3X/7/0/70aa3ce13d7f3a9d5c9789b49d4b4e67fe16ad7c.jpeg)

```auto
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```

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<div class="post-metadata">

### Author: ![system](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/1X/d073cd938eafa2e558d7c2cd59003b3ef4963033.png) [@system](https://discourse.nodered.org/u/system)
#### Post date: [20 September 2021 00:11 UTC](https://discourse.nodered.org/t/ads1115-extract-voltage-value/50651/3 "2021-09-20T00:11:33Z")

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