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Mike Podruchny
Works at Resource Data, Inc.
Attended LeTourneau University
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Mike Podruchny

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1st version of my garage door monitor using one of my Spark (now +Particle) Cores.  These wifi enabled arduinos can be programmed and monitored over the internet.  I attached two magnets on the belt and two hall effect sensors detect if the door is open or closed.  I have a relay on board to control the opener from my phone, but it isn't wired in yet and only triggers the blue LED at the moment.  Once a couple more parts arrive, I will move the circuit over to a protoboard.  For now, it notifies me every 15 minutes if the door is left open and logs any activity to Drive.
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Mike Podruchny

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Thought I would share my espresso setup with all of you. I wanted a cheap setup with the results of that more expensive equipment offers.

I put links in below to all my tools and the mods i did.

Espresso Machine: 
http://www.amazon.com/gp/product/B000F49XXG/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=B000F49XXG&linkCode=as2&tag=freeandroidtu-20&linkId=GHL3IEZWQ37XAWQM

For $89 you really cant go wrong. This is a single boiler with brass fittings and 15 bars of pressure. The only catch is the steam wand is a panarillo and the basket is pressurized. But as you can see from my pictures i have replaced the steam wand with a traditional and the basket with a non pressurized basket as well as made the bottom naked.

Steam wand:
https://www.seattlecoffeegear.com/rancilio-silvia-steam-wand-version-one

If you look it up on amazon its going for 44 bucks plus shipping. The cheapest i found was from seattle coffee gear. Make sure its the version 1

Grinder
http://www.amazon.com/gp/product/B00LW8122Y/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=B00LW8122Y&linkCode=as2&tag=freeandroidtu-20&linkId=KRKLYRGH62EKI3GQ

A grinder is THE most important part of good espresso, a blade grinder wont do. This one is the ONLY entry level burr grinder that you can get for espresso. Its $129 but its well worth the investment especially since its the only one that can do espresso under $300.

The after market basket
http://www.thegourmetdepotco.com/delonghi/607706-2-cup-filter-basket/

This is the only place i found to carry this basket. It also is the ONLY one that fits and is non pressurized. Trust me when i tell you this is the basket you want. For 10 bucks. Well worth it, the results over even the standard unpressurized mod is significant.

Extras

Tamper
http://www.amazon.com/gp/product/B00B703BNU/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=B00B703BNU&linkCode=as2&tag=freeandroidtu-20&linkId=2T6SNLCHBY5FHEVR

Knock box
http://www.amazon.com/gp/product/B0016J76CE/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=B0016J76CE&linkCode=as2&tag=freeandroidtu-20&linkId=BELPVO3T6KNKT33U

Tamper Mat
http://www.amazon.com/gp/search/ref=as_li_qf_sp_sr_tl?ie=UTF8&camp=1789&creative=9325&index=aps&keywords=Cafelat%20Corner%20Tamping%20Mat%2C%20Black&linkCode=ur2&tag=freeandroidtu-20&linkId=BKY64DOAB5LNSSHN

Thermometer
http://www.amazon.com/gp/product/B0014X87ZM/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=B0014X87ZM&linkCode=as2&tag=freeandroidtu-20&linkId=P4XWA5GB2QRD6M76

Milk Frothing Pitcher
http://www.amazon.com/gp/product/B000MR6I9I/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=B000MR6I9I&linkCode=as2&tag=freeandroidtu-20&linkId=JIXONNDYCNYWZG6R

DeLongi Double walled espresso shot glasses
http://www.amazon.com/gp/product/B004MALMT2/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=B004MALMT2&linkCode=as2&tag=freeandroidtu-20&linkId=CIIE7KEPDMCYY2JS

Scale for dosing properly:
http://www.amazon.com/gp/product/B004C3CAB8/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=B004C3CAB8&linkCode=as2&tag=freeandroidtu-20&linkId=X36Z7XE4TKO3IGXE

Airscape container:
http://www.amazon.com/gp/product/B00167XN14/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=B00167XN14&linkCode=as2&tag=freeandroidtu-20&linkId=L2KE4KDDU2CTWQ4I

sources for modding:

General
http://coffeegeek.com/forums/espresso/machines/522849

Steam wand replacement walk through:
http://www.kennethballard.com/?p=524

It really wasnt that hard to do. I now have coffee as good as you can get from any high end coffee house. My espresso has notes that i never knew espresso could have. The potential in this little 89 dollar machine is enormous and when using the same coffee from my local fine coffee house I achieve similar tasting results.

If you need any help or advice, im always here. Ask away in the comment section
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Mike Podruchny

Troubleshooting  - 
 
This isn't really causing me issues, but I wondered if anyone else has managed to cause a thermal runaway message.  I caused it twice when changing the temperature settings from the LCD.
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Triggered it again twice today, once when I tried to boost both temps in OctoPrint and the second time I only tried to increase the bed.  It seems that the bed is more likely to cause the false alarm.
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I finally got around to mounting my E3D and attempting ABS.  A small part did relatively well (but failed on some overhang) and the next print looked good, but wasn't able to finish.  Adhesion seemed good, but it looks like it needed to be just a bit closer to the bed.  It was ok that it didn't work though as we decided to change the design a bit and one measurement was off due to an ID vs OD confusion somewhere.  I will also add a brim to the next attempt.  I expected to have to put up with the smell, but it was barely detectible with this filament.

I initially forgot to update the firmware with the new thermistor, but it still managed to extrude PLA and ABS, though not very well.  The extruder couldn't keep up after the first layer of PLA; ABS seemed to be a bit better at least on a small part.

I started with http://www.thingiverse.com/thing:38813, but ended up stripping out most of it to make the input and output offset.  This pipe is supposed to allow condensation to drain out.
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That first test was this part: http://www.thingiverse.com/thing:460312 which I knew would be a challenge.  I may try again now that I have the thermistor set right, but there is also another design which prints without support.
I have some sort of PET to try some time, but I haven't brought myself to pay the premium for any Taulman filaments.  I am generally happy with PLA for a lot of things, but this part is meant to be glued to an ABS pipe.  I also have a flex to try sometime.
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Mike Podruchny

Discussion  - 
 
This is pretty minor and may be a firmware/software issue, but I figured I would mention it here to see if anyone else has noticed this.  I typically preheat everything manually before printing (usually because I want to get the filament changed before it starts).  When I do that, both the extruder and bed heat up and graph as expected.  If I hit print before the printer is hot, the extruder continues to update fine, but the bed doesn't update until the extruder is done heating.  In this example, I started warming manually but then I decided to capture an image of this so I hit print.

I looked at the terminal to see what the difference is.  When both temperatures are updating, there are constant M105 commands that return both temperatures.  Once I hit print, it sends an M140 to set the bed temp without waiting, then an M109 to set the extruder.  The M109 returns these lines until heating is done: Recv: T:70.8 E:0 W:?

I am not really familiar with gcode yet, but it seems like the solution may need to be in the slicer software to use M104/M140 to set temp and then an M116 to wait.
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Ben M
 
Why not give it a try and let us know? 
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Mike Podruchny

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Wanna design quality #pcb #boards without spending much penny....Here are some suggestions
Top 10 free PCB design software which can help to create professional pcb layout designs. 10 best free pcb designing software open source software download
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I wonder if anyone is really surprised by this result.
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I have wondered about how to get into building a cellular connected device and this looks like it will be the easiest way.
https://www.kickstarter.com/projects/sparkdevices/spark-electron-cellular-dev-kit-with-a-simple-data
Spark IO is raising funds for Spark Electron: Cellular dev kit with a simple data plan on Kickstarter! The Electron is an Arduino-like cellular development kit with a SIM card and affordable data plan from the creators of the Spark Core.
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And just like that they already have double the goal and every early bird unit is spoken for.
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A finished vent adapter makes my first successful ABS print.  A little bit of delamination on the outside shell, but everything should still be strong enough.  I am sure enclosing the printer would help.  Perhaps a thicker shell would make a difference too.
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This was also one of the first things I worked on with my E3D installed.
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The rigidbot spool rack makes it difficult to swap colors unless it is already on the rack.  I have been making copies of this 18 animal puzzle (http://www.thingiverse.com/thing:357444) for friends and using 9 colors for the pieces plus one for the frame.  Now I can swap out every color I currently have and changing spools is much easier since each one is on its own bar that lifts out.  Eventually, I will enclose them and add a dehumidifier.

I used one part as an opportunity to finish a couple spools that were low (one of which was a terrible color that was supposed to be red, but looked more salmon colored).  When the filament got down to a couple inches left to grab, I paused and inserted another.  I thought the gray might just make it through the print, but it didn't quite make it so the part ended up tri-colored.
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I published the STLs and I will upload the code once I have a chance to clean it up.  http://www.thingiverse.com/thing:634808
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A little weekend project: installing new controllers for LED lights in the kitchen.  Prior to this, the under cabinet lights would have a delay because the Insteon lamp module was trying to ramp up and the DC adapter doesn't work that way.  Also a strip above the sink will now operate from the wall switch instead of the dimmer that was not near the sink because it was originally intended for the cabinet lights.  Other than the screws not working very well everything else fit perfectly.  Once I have some different screws, I will make the lid.
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