Safety cutoff for RepRap 3D printers
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mounts
reprap-safety
LICENSE.TXT
README.md
pin-schematic.png
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printer_safety_logging.sh.txt

README.md

RepRap safety cutoff Copyright John O'Brien 2016 jweob@cantab.net 2016-07-16

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/

Turns off the power supply to a RepRap using a relay if any of the following five conditions are met

  1. Secondary thermistor reads a temperature above a set threshold

  2. Bed heat signal is on for more than a set period of time

  3. Hot end is on for more than a set period of time

  4. Bed power supply positive voltage is below a threshold, indicating a bad connection

  5. Bed power supply negative voltage is above a thrshold, indicating a bad connection

More information at http://jweoblog.com/?p=835 and More information at http://jweoblog.com/?p=922