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PCB heated bed Mk3

by EiNSTeiN_, published

PCB heated bed Mk3 by EiNSTeiN_ Aug 10, 2012

Description

This is a derivative of Prusa's excellent PCB heatbed. It has two major additions.

First, it has a place to solder a surface mount thermistor with pads on the side to connect to the electronics. Hopefully we won't have to tape a thermistor under the bed anymore.

Second, there has a spot for a surface mount right-angle LED on the side of the bed instead of soldering a normal LED facing down like the Mk1.

Recent Comments

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great idea to have the thermistor integrated into the board.  I noticed the LED you specified is only rated for 85° C   Digikey 475-2519-2-ND is rated 100° C... maybe it will last a bit longer for ABS heating the bed to 110° C

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License

GNU - GPL
PCB heated bed Mk3 by EiNSTeiN_ is licensed under the GNU - GPL license.

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Instructions

Have it produced, then use it, I guess?

Digi-key part numbers for the thermistor and the right-angle LED are:
- Thermistor: BC2562CT-ND
- LED: 754-1582-1-ND
great idea to have the thermistor integrated into the board.  I noticed the LED you specified is only rated for 85° C   Digikey 475-2519-2-ND is rated 100° C... maybe it will last a bit longer for ABS heating the bed to 110° C

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