DIY Ender 3 Pro Auto Bed Leveling

The build are pretty straight forward, the design is optimized for my printer tolerance.

If this become somewhat popular, I will make a better tutorial and documentation.

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Parts:

• 1 pcs, Omron d2fc-f-7n
• 4 pcs, 4 x 2 mm cylinder magnets
• 2 pcs, 20 x 10 x 2 mm square magnets
• Wire, heat shrink, and solder.

Use hot glue to mount the parts, clean & easy to use.