# I want to know the threshold Not(1.2 1.8 3.3V)

**URL:** https://discuss.saleae.com/t/i-want-to-know-the-threshold-not-1-2-1-8-3-3v/2938
**Category:** Uncategorized
**Created:** [June 28, 2024, 3:52am UTC](https://discuss.saleae.com/t/i-want-to-know-the-threshold-not-1-2-1-8-3-3v/2938 "2024-06-28T03:52:50Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![sooseok.sim](https://avatars.discourse-cdn.com/v4/letter/s/54ee81/32.png) [@sooseok.sim](https://discuss.saleae.com/u/sooseok.sim)
#### Post date: [June 28, 2024, 3:52am UTC](https://discuss.saleae.com/t/i-want-to-know-the-threshold-not-1-2-1-8-3-3v/2938/1 "2024-06-28T03:52:50Z")

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I want to change the threshold voltage.  
Can you help me1?  
or recommend the Extension.

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### Author: ![BitBob](https://avatars.discourse-cdn.com/v4/letter/b/ecb155/32.png) [@BitBob](https://discuss.saleae.com/u/BitBob)
#### Post date: [June 28, 2024, 10:34am UTC](https://discuss.saleae.com/t/i-want-to-know-the-threshold-not-1-2-1-8-3-3v/2938/2 "2024-06-28T10:34:31Z")

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The voltage thresholds for digital are fixed, as per:

> **[Supported Voltages | Saleae Support](https://support.saleae.com/user-guide/supported-voltages)**

You can’t set a custom level, you’re limited to the values in the support guide above. Also, it is a single setting for all channels vs. each channel can have a unique choice.