Home » KY-004 Key Switch Module Fritzing Part KY-004 Key Switch Module Fritzing Part October 29, 2021May 16, 2016 by ArduinoModules Version Download 3273 File Size 12.72 KB File Count 1 Create Date May 16, 2016 Last Updated October 29, 2021 Download Description File Contains KY-004 Key Switch Module.fzpz Readme.txt KY-004 Key Switch Module Fritzing Part by arduinomodules.info is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.Based on a work at https://arduinomodules.info/ky-004-key-switch-module/. Go back to KY-004 Key Switch Module page.