If your bed is warped or you are just looking for convenience, a BLtouch is a great upgrade for your 3D printer. This video aims to be a complete guide to all things BLtouch. This ranges from an explanation of auto bed levelling, through to mounting, wiring, firmware, calibration, operation and customisation.

Free companion webpage: https://teachingtechyt.github.io/upgr...

0:00 Introduction

0:44 What is a BLtouch?

1:46 What to buy?

2:08 Genuine vs clone

2:33 Physical mounting

3:46 Wiring
PWM Wikipedia article: https://en.wikipedia.org/wiki/Pulse-w...

5:35 FAQ: Do I need a pin27 board?

6:12 FAQ: Can I use a custom pin for the yellow wire?
LPC1768 datasheet (SKR V1.3): https://www.nxp.com/docs/en/data-shee...

6:49 Marlin firmware configuration
Beginner firmware setup guide:    • Updated Marlin firmware setup guide -...  

8:26 Calibrating probe offsets
My dedicated video on this:    • ABL offset guide including new probe ...  

9:02 Basic BLtouch operation

9:43 The two ways to use a BLtouch when printing

10:37 Customisation - Grid points, speed, margins

11:56 Troubleshooting
My dedicated troubleshooting video:    • 3D printer troubleshooting - Free ste...  

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