# KY-040 (Component) ## Description KY-040 rotary encoder is a device that generates an electrical signal based upon how much the rotary input device (knob) is rotated and the direction it is rotating in. It is a position sensor with a knob and can be used to control stepper or servo motors with precision. #Module #Rotary-Encoder ## Component Details - **Owner:** jecstronic - **Created:** 12/2/2023 - **Last Updated:** 12/5/2023 - **Visibility:** Public - **Datasheet URL:** https://www.epitran.it/ebayDrive/datasheet/25.pdf - **License:** https://creativecommons.org/licenses/by/4.0/ - **Datasheet URL:** https://components101.com/sites/default/files/component_datasheet/KY-04-Rotary-Encoder-Datasheet.pdf - **Part Type:** Module - **Manufacturer Part Number:** KY-040 - **Used in:** 606 projects - **Stars:** 2 - **Forks:** 2 - **Part Type:** Modules - **MPN:** KY-040 - **Mount Type:** Base - **Package / Case Code:** TO - **Pin Count:** 5 ## Pins | Pin | Name | Type | |-----|------|------| | 1 | CLK | | | 2 | DT | | | 3 | SW | | | 4 | VCC(+) | | | 5 | GND | | --- *Generated from [https://www.flux.ai/jecstronic/ky-040~jyk](https://www.flux.ai/jecstronic/ky-040~jyk)*