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dc42 Updated firmware for dual board
Updated the firmware for the dual nozzle board to use the same offset
cancellation technique as the single nozzle board when reading the
thermistors. Reduced the number of thermistor samples averaged for the
dual board to avoid running out of RAM. Also added holders for dual
nozzle and mini boards.
Latest commit 91bfbd9 May 6, 2015
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BoardHolder-diff-led-dual.scad Updated firmware for dual board May 5, 2015
BoardHolder-diff-led-mini.scad Updated firmware for dual board May 5, 2015
BoardHolder-diff-led.scad Added heatsink duct with board lowered by another 0.5mm Oct 15, 2014
BoardHolder-diff-led.stl Added heatsink duct with board lowered by another 0.5mm Oct 15, 2014
BoardHolder.scad Added STL files Mar 16, 2014
BoardHolder.stl Added STL files Mar 16, 2014
Insulator-diff-led-dual-nozzle.stl Corrected insulator countersinks with short pillars Jul 14, 2014
Insulator-diff-led.scad Corrected insulator countersinks with short pillars Jul 14, 2014
Insulator-diff-led.stl Added sensor pad for diff IR sensor Jun 19, 2014
Insulator-for-ultrasonic.scad Changed insulator for ultrasonic transducer Mar 28, 2014
Insulator-for-ultrasonic.stl Changed insulator for ultrasonic transducer Mar 28, 2014
Insulator-thick.scad Added new parts Mar 24, 2014
Insulator-thick.stl Added new parts Mar 24, 2014
Insulator.scad Added cutout to access ICSP contacts May 29, 2014
Insulator.stl Added STL files Mar 16, 2014
LICENSE Create LICENSE Sep 8, 2014
LedBoardTestJig.scad Added files Oct 5, 2014
LedBoardTestJig.stl Added files Oct 5, 2014
Modified-heatsink-duct-old.stl Added revised modified heatsink duct Jun 26, 2014
Modified-x-motor-bracket-old.stl Added revised modified heatsink duct Jun 26, 2014
modified-fan-duct.scad Corrected nozzle mount and added fan duct Jul 10, 2014
modified-fan-duct.stl Corrected nozzle mount and added fan duct Jul 10, 2014
modified-heatsink-duct-0.5mm-lower.scad Added heatsink duct with board lowered by another 0.5mm Oct 15, 2014
modified-heatsink-duct-0.5mm-lower.stl Added heatsink duct with board lowered by another 0.5mm Oct 15, 2014
modified-heatsink-duct-dual-nozzle.stl Added files Oct 5, 2014
modified-heatsink-duct-single-nozzle.stl Added files Oct 5, 2014
modified-heatsink-duct.scad Added files Oct 5, 2014
one-piece-hotend-airduct-with-new-irsensor-1mm-lower.stl Added files Oct 5, 2014
one-piece-hotend-airduct-with-new-irsensor.scad Added files Oct 5, 2014
one-piece-hotend-airduct-with-new-irsensor.stl Added sensor pad for diff IR sensor Jun 19, 2014
original-rrp-fan-duct.stl Corrected nozzle mount and added fan duct Jul 10, 2014
original-rrp-heatsink-duct.stl Added revised modified heatsink duct Jun 26, 2014
readme.md Added description of sensorpad.stl to readme file Apr 4, 2014
sensorpad-diff-led.scad Added 'long' option to go with long nozzle mount Aug 6, 2014
sensorpad-diff-led.stl Added revised modified heatsink duct Jun 26, 2014
sensorpad-ultrasonic.scad Added sensor pad for diff IR sensor Jun 19, 2014
sensorpad-ultrasonic.stl Added sensor pad for diff IR sensor Jun 19, 2014

readme.md

Printed parts to go with Ormerod sensor board

To use the Ormerod sensor board you will need to print three parts:

1(a) Modified x-motor-bracket3.stl: Modified x-motor bracket. This includes an extended x-homing tab to suit the new position of the IR sensor head. Not needed if you use a microswitch for x-homing instead. Thanks to johneato for providing this.

1(b) sensorpad.stl: As an alternative to printing the modified x-motor bracket, you can print this add-on sensor pad and attach it to the original X motor bracket. Thanks to stevelup for providing this.

2(a) Modified heatsink-duct12.stl: Modified heatsink duct. This includes the mounting points for the sensor board.Thanks to johneato for providing this.

2(b) one-piece-hotend-airduct-with-new-irsensor-2.stl: Modified version of Matt's one-piece heatsink/fan duct. Thanks to Matt (iamburny) for modifying his design to add the supports and mounting holes for the sensor board. I have further modified his design by replacing the T-shaped cable tie point at the top centre by a cable tie loop at the top right, and making the cable management piece stronger. To use the one-piece duct you need to drill an additional hole in the heatsink so that you can rotate it 90 degrees.

3(a) Insulator.stl: This prevents the board from shorting against the z-threaded rod or other metal parts if the print head moves beyond the intended x-homing position. Alternatively, for kit 2 or 3 you can use Kim brown's safety cover, his files are at http://www.thingiverse.com/thing:272634.

3(b) Insulator-for-ultrasonic.stl: Thicker insulator which includes a holder for the ultrasonic transducer. This is thicker and longer than Insulator.stl to ensure that it touches the Z-nut trap before the ultrasonic sensor touches the threaded rod. If you use this part, you may have to extend the x-homing tab even further in the X-direction than the modified x-motor bracket already does, for example by sticking a piece of white card on top of it.

3(c) Insulator-thick.stl: Thick insulator, for use when the ultrasonic sensor is glued on the pcb behind and slightly to the left of the IR sensor.

Also in this folder:

BoardHolder.stl: This can be fixed to the back of a solder stencil, allowing boards to be accurately aligned with the stencil prior to application of solder paste.