# Can i control a Keypad 4x4 with node red?

**URL:** <https://discourse.nodered.org/t/can-i-control-a-keypad-4x4-with-node-red/28307>\
**Category:** General\
**Created:** [14 June 2020 12:23 UTC](https://discourse.nodered.org/t/can-i-control-a-keypad-4x4-with-node-red/28307 "2020-06-14T12:23:35Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![Iustin96](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/iustin96/32/23924_2.png) [@Iustin96](https://discourse.nodered.org/u/Iustin96)\
**Post date:** [14 June 2020 12:50 UTC](https://discourse.nodered.org/t/can-i-control-a-keypad-4x4-with-node-red/28307/3 "2020-06-14T12:50:17Z")

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I use Raspberry pi 3 b +. This is the interfece way : [https://www.youtube.com/watch?v=yYnX5QodqQ4](https://www.youtube.com/watch?v=yYnX5QodqQ4)

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