# How to invert a input on "and" poort

**URL:** https://community.homey.app/t/how-to-invert-a-input-on-and-poort/150367
**Category:** Questions & Help
**Tags:** flow
**Created:** [January 31, 2026, 4:40pm UTC](https://community.homey.app/t/how-to-invert-a-input-on-and-poort/150367 "2026-01-31T16:40:53Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![Roel\_den\_Hond](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/roel_den_hond/32/33904_2.png) [@Roel\_den\_Hond](https://community.homey.app/u/Roel_den_Hond)
#### Post date: [January 31, 2026, 4:40pm UTC](https://community.homey.app/t/how-to-invert-a-input-on-and-poort/150367/1 "2026-01-31T16:40:53Z")

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I have to signals on a AND and i want to invert one of the signals

| Column 1 | Column 2 | Column 3 | Column 4 |
| --- | --- | --- | --- |
| A | B | result | |
| 1 | 1 | 0 | |
| 0 | 0 | 0 | |
| 1 | 0 | 1 | |
| 1 | 1 | 0 | |
| | | | |

as you see I want the input B to be invertert on the AND function

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### Author: ![Rmb](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/rmb/32/79135_2.png) [@Rmb](https://community.homey.app/u/Rmb)
#### Post date: [January 31, 2026, 4:48pm UTC](https://community.homey.app/t/how-to-invert-a-input-on-and-poort/150367/2 "2026-01-31T16:48:30Z")

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Use an extra AND card connectedto B and use the lower output (the false) to connect to the second AND card where also A is connected to.