3018 CNC End Stops and Calibration

I had some requests for a video showing the installation of end stops of the small CNC engraving machines like the 3018. Pleas note that all new videos on topics like this will be on my new channel: https://www.youtube.com/channel/UCKeXSS8JArhx4J5JJdh0x4g Blog Post by Bogdan Berg - http://www.bogdanberg.com/2018/09/07/cnc-upgrades-and-improvements/ 3D Printer Files - https://www.thingiverse.com/thing:2796202 Required supplies M3 T-nuts - https://www.amazon.com/gp/product/B077Z94V83/ M2 and M3 bolts and nuts - https://www.amazon.com/gp/product/B014OO5KQG/ Roller Switches - https://www.amazon.com/gp/product/B07CGZBRPC/ Female DuPont Connector Jumper Wires - https://www.amazon.com/gp/product/B01IB7UOFE Some Hookup Wire - https://www.amazon.com/gp/product/B0119IE4C6/ Heat Shrink Tubing - https://www.amazon.com/gp/product/B07GS7PBHV/