Autoleveling on 3D printers: 9 myths and 12 sensors tested!

There are many options for a 3D printer's bed sensor and even more misconceptions about what they can and should do. So after a ton of testing with a custom-built precision test apparatus (TM), 9 myths about these sensors have been examined - and we got a ton of data about how precise each one can be! 🛒 M8, 2mm inductive sensor (5V) http://s.click.aliexpress.com/e/UnYVZFe 🛒 M12, 4mm inductive sensor http://s.click.aliexpress.com/e/e6QJqn6 🛒 M16, 8mm inductive sensor http://s.click.aliexpress.com/e/fuVJu3F 🛒 M16, adjustable distance capacitive sensor http://s.click.aliexpress.com/e/YfIQFie 🛒 M16, 20mm capacitive sensor http://s.click.aliexpress.com/e/ujEuvZf 🛒 David Crocker's IR sensor http://www.escher3d.com/ 🛒 SHARP analog sensor http://s.click.aliexpress.com/e/mEMnaQF 🛒 Microswiches http://s.click.aliexpress.com/e/2z3Njm2 🛒 BLTouch http://geni.us/BLTouch 💙 Buying items through my affiliate links gives the channel a small kickback without adding any extra costs for you! All details and more links at https://toms3d.org/support-me/ Amazon (international) http://geni.us/bKkJuy Aliexpress http://s.click.aliexpress.com/e/iMB6emu Matterhackers https://www.matterhackers.com/?rcode=TSAN86 eBay (international) http://geni.us/eSOtG iGo3D http://go.toms3d.org/iGo3D 🎥 All my video and editing gear https://toms3d.org/my-gear 👐 https://www.patreon.com/toms3dp Certain elements may not be included in the CC-BY-AS license, e.g. third-party images and music. Trademarks are property of their respective owners. Polygon background created by Starline - Freepik.com Standard deviation graph by Jeremy Kemp under CC-BY 2.5