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3D printing guides: Setting up auto bed tramming leveling tilt compensation!

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Published on Sep 15, 2014

Learn how to set up automatic bed tramming on your 3D printer, as seen on the new Printrbots!

Sensor preparation 2:45
Firmware 4:35
Trying it out 8:00
Height adjustment 9:52

These inductive sensors are supposed to have transistor outputs, and therefore should traditionally be hooked up in a different way than i'm showing in the video. However, the internal circuitry of these sensors is set up in a way that would damage our electronics if connected like that, so using the voltage divider is the better choice in the end.
So for 12V, using a pair of identical 10k (or 15k) resistors instead of one 10k and one 15k should give voltages closer to 5V (check with a multimeter), but the mentioned 10k and 15k combo works well, too.
8.1k and 22k for 24V.

Inductive sensor [12V, 🌐] http://s.click.aliexpress.com/e/IYnUZnU

Prusa-Style, smaller sensor that will work without the resistors [5V, 🌐] http://s.click.aliexpress.com/e/qBmM3ny
Simply connect the sensor output directly to the input and supply the sensor from 5V, for example from the endstop or servo pins!

Inductive sensor from Printrbot http://printrbot.com/shop/auto-leveli...

Taulman Toolbox Kickstarter https://www.kickstarter.com/projects/...

💙 Buying items through these affiliate links gives me a small kickback without adding any extra costs for you! All details and more links at https://toms3d.org/support-me/
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Matterhackers [🇺🇸 🌐] https://www.matterhackers.com/?rcode=...
iGo3D [🇩🇪 🌐] https://goo.gl/ROxm6Z
Aliexpress [🌐] http://s.click.aliexpress.com/e/iMB6emu

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