DorkbotPDX people doing strange things with electricity

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Instead of a weekly order, 2 layer circuit boards are now sent to the fab when the panel fills up. This means panels are going out 2 to 3 times a week instead of just once a week.

New ordering website! OSH Park!

The next 4 layer circuit board order will be July 2nd, 2012 at 08:00AM Pacific. It will have a one week turn time.

I'm planning another beta 2-layer medium-run order on July 23rd, 2012 for people that want 150 square inches or more of their boards. Specs are the same as the prototype order. Lead free, stellar quality, purple boards, $1 per square inch. Details here. <!--break-->

Order Status Keep up to date on the order status updates and to be notified of when the next order will go out:

• RSS feed
• Email updates

What is this?

I've been coordinating a group circuit board order. By combining dozens of small boards into large panels, and doing a lot of volume, we're able to get the costs down to levels that are more hobbyist friendly.

It's $5 per square inch for three copies of your two layer design. So, a 2 square inch design would cost $10, and you'll get three copies of your board. Shipping within the US is included, and there are no setup fees.

Your two layer boards will be shipped within about 14 days of the order date.

For four layer designs, it's $10 for three copies. So, a 2 square inch design would cost $20, and you'll get three copies of your board.

Four layer boards will be mailed within 16 days.

Who's eligible Although this was started primarily for the DorkbotPDX community, it's open to any hobbyist anywhere. Shipping in the US is free, and international mailing is a flat rate of $5USD for standard first class, $15 for USPS Priority Mail, or $35 for USPS Express Mail.

Your order helps us continue doing it!

What you get

• Three 2-layer boards (see design rules below)
• Soldermask on both sides
• Silkscreen on both sides.

The Costs Two layer: $5 per square inch for three copies of your board.

Four layer: $10 per square inch for three copies of your board.

Board area is rounded down to the hundredth of an inch. If your board is 2.71828183 square inches, your total bill will be $13.55. No setup fee, and domestic shipping by first-class US mail is included. International mailing is a flat rate of $15 for USPS Priority Mail, or $5 for standard first class

Payment is by Paypal or by credit card through Google Checkout.

How to submit your order First, try uploading the board at OSH Park as either an Eagle .brd or a set of Gerbers.

If you just send a brd file, you'll get the default "Names" and "Place" and "_tsilk" layers on your silkscreen. If you want something else, please use the CAM job below and edit it to your liking.

If you're making Gerbers from Eagle, please use this CAM job.

• http://content.laen.org/pcb/LaenPCBOrder.cam

If you have any problems with the website, feel free to mail me at pcb@laen.org Help! If any of this is confusing, or you'd just like some help with your board, feel free to drop me an email. I love helping people with their designs.

Design Rules (Eagle DRU File: http://content.laen.org/pcb/LaenPCBOrder.dru) The minimums are:

• 6 mil trace width
• 6 mil spacing
• 15 mil clearances from traces to the edge of the board
• 13 mil minimum drill size.
• 7 mil minimum annular ring

..That's not to say that you should design for the minimums; it's best to make your traces and spacing as wide as your design will tolerate, but if you need it, we're paying for these minimums so feel free to use them!

Four layer boards have the same minimums and will be made with 1 oz copper for the external layers and 0.5 oz copper internally. No blind/buried vias.

Four Layer Boards The four layer panels are expensive. More than I can afford to comfortably float, so if there isn't enough interest in the four layer panel, I can't send it out. You won't be billed, and you'll be notified on the order date if it doesn't go out.

One way to make sure there are enough orders for it is to spread the word among your four-layer making friends. :)

File Format Although I can deal with a lot of file types, here's what I prefer. Don't sweat it if you don't know what any of this means or you're not sure if your files match up. I'll figure it out. :)

• If you can just send an Eagle brd, and you're fine with the default of having just the Name, Place and _tsilk/_bsilk layers on the silkscreen, then do that.
• If you're sending gerbers, make sure they're rs-274x (the default in any modern package), and are "positive layers" (also the default).
• If you're using something other than Eagle: Set your drill file to 2:4 precision, no zero suppression, absolute positioning, and (if using kicad) "minimal header" and make sure "mirror y axis" is OFF.
• If you're using DipTrace, it helps me if your filenames have a board name in them ("Board1-Top Layer.gbr" instead of just "Top Layer.gbr").

Enjoy!

-Laen

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Author: karl

Toorcamp 2012 installation.

RobotronMeetingJun11

RobotronMeetingJun25

RobotronComponents

Technical Notes MAME/Robotron Some notes originally from here:
http://seanriddle.com/robob.dat
are over here:
http://pastebin.com/7dhftVgF

The interesting/different parts:

• label 983F jjp - holds current player number (1 or 2)
• label 9848 jjp - turns to a 1 immediately upon death, back to 0 during regular gameplay
• program counter 310d btr - This is hit on every player death
• program counter 3112 btr - This is hit on game end
• program counter 3130 btr - This is hit on a player death that is not the game over death
• program counter 6f15&e868 -- Crappy notifications that a new highscore has been entered. The highscores are stored in NVRAM which is CC00-CFFF. All-time scores start around CC90, and current heros start around CDB0. A copy of nvram is written to disk in the nvram folder. But it's not written until you shut mame down. It's stored as 4 bit nibbles, so you decode like this: ((addr & 0xFF) << 4) + ((addr+1) & 0xFF). Undecoded storage of a high score is 3 bytes for initials followed by 4 bytes for the score. The upper 4 nibbles of the first byte appear to be a checksum?

For the program counter values, you can start mame in debug mode with "mame --debug" and enter the following lines in the console:

• bp 310d,1,{printf "Player death\n"; g}
• bp 3112,1,{printf "Game over\n"; g}
• bp 3130,1,{printf "Still trying\n"; g}

This will print out events to the debug console, we can also print these out to a tracefile and grep against that with other scripts.

Author: karl

Toorcamp 2012 installation.

RobotronMeetingJun11

RobotronMeetingJun25

RobotronComponents

Technical Notes MAME/Robotron Some notes originally from here:
http://seanriddle.com/robob.dat
are over here:
http://pastebin.com/7dhftVgF

The interesting/different parts:

• label 983F jjp - holds current player number (1 or 2)
• label 9848 jjp - turns to a 1 immediately upon death, back to 0 during regular gameplay
• program counter 310d btr - This is hit on every player death
• program counter 3112 btr - This is hit on game end
• program counter 3130 btr - This is hit on a player death that is not the game over death

For the program counter values, you can start mame in debug mode with "mame --debug" and enter the following lines in the console:

• bp 310d,1,{printf "Player death\n"; g}
• bp 3112,1,{printf "Game over\n"; g}
• bp 3130,1,{printf "Still trying\n"; g}

This will print out events to the debug console, we can also print these out to a tracefile and grep against that with other scripts.

TASKS

game installation - elijah

• mame box

death events - jason, elijah and brian

• trigger events on every death, or last
• get score and initials, and images on final death for leaderboard

leaderboard - jason and libbey

• camera and flash
  • more camera research - libbey
• get photos, score from game
• track photos, score on leaderboard
• leaderboard software, installation, to display photos and scores
  • http server cycling over displays
    • reading from files
  • something writes files for http server to pick up

other events

• triggering off of controls - karl
• triggering off of other game events - jason, elijah, brian
  • mame talking to box
  • box talking to teensy
• triggering off of environment? - karl?
  • sensors
    • infrared - elijah
    • kneel/touch
  • effects

game hardware - elijah

• cabinet
• sticks and controller
• kneeling pad
• display mounting

other environment

• costumes
• merit badges
• other schwag
• busted robots - anzie?
  • mykle?
• dome
  • needs:
    • more tarps
    • sheets, ropes for partitions
    • projectionable screens/sheets
    • no floor? under game only? maybe just one? would have to haul it out
• signage - anzie
  • aboard sign
  • banners inside
  • blinkies?
• totem pole - jason
• general audio - alex
  • controlling
  • big speakers
  • amplifiers
• ambient lights - alex
  • lights
  • mounting, wiring
• literature - james, karl, elijah
  • general layouts - libbey, james
  • booklet
  • zine
  • flyers
  • stickers
• literature rack - libbey
• other furniture etc
• light annoyances
  • lasers - philip
    • give philip laser info - karl
  • strobe - jason
• honeypot - draft pavel
• other rooms - ???
  • reading room
    • comfy chairs
    • lamp
    • literature
  • genetic testing room
    • table, swabs, lab, signs
  • congregation room
    • chairs, audio, TV, literature

COMPONENTS

death face

• photo
  • camera
  • lights
• trigged on game event
• leaderboard
  • display
  • networked to game

game input effects

• fans on movement
• arc on firing

game event effects

• death
  • lights/displays go out
  • arc
  • then flash, camera - scary
    • record death face

non-input environment

• light
  • all down momentarialy at death
  • ambient lights on normally
    • brighter if not occupied, dim on enter?
• fake arc near hands
• sounds
  • ranting - james
  • attratct mode - game noises when game not playing

physical environment

• junk
• dark tent/pavilion
• curtain
• literature rack
• signs outside
• totem pole, yuck

PHYSICAL STUFF NEEDED

tent mame machine

• computer
• monitor
• game hardware - cabinet, sticks, etc.

death face

• camera
• lights
• display - projector and screen, or lcd
• stand for display and etc
• separate computer, network?

other effects

• fans
• lights
• arcs
• fake arcs - lights, ozone, smoke?
• relays for controller and power
• controller
• other smells?
• amp, player

junk signage recording

• content from James
• eugene jarvis rant from Jason
• amp
• player

literature

• zines
• stickers
• rack

TASKS

game software - elijah

• mame box

death events - elijah and brian

• trigger events on every death, or last
• get score and initials on final death for leaderboard

other events

• triggering off of controls - karl
• triggering off of environment? - karl?

leaderboard - jason and libbey

• camera and flash
• get photos, score from game
• track photos, score on leaderboard
• leaderboard software, installation, to display photos and scores

game hardware - elijah

• cabinet
• sticks and controller
• kneeling pad

other environment

• tent and curtain - jason, everyone look for a tent
• signage - karl
• ambient lights - jason
• literature - karl, elijah
• literature rack - libbey

talking to toorcamp - karl

• grant hustling
• siting, electricity etc

get others - karl

• announce to list, ask if anyone's interested

AGENDA

Status in 2 weeks, jun 24. Discuss progress, what tasks will require effort, assign tasks, schedule.

Author: tlockney

Dorkbot PDX offers workshops the last Sunday of every month on a variety of practical topics for both beginner and experienced hobbyists.

We have just recently announced a schedule of workshops to take place in partnership with ADX Portland (SE 11th between Oak and Stark )over the next few months. Please watch this space for more details.

Suspect Devices has also put together a series of workshops around the dorkbord arduino kits (http://www.dorkbotpdx.org/wiki/dorkboard) called the "Arduino Cult Induction" (These courses are no longer directly associated with or coordinated by dorkbotpdx). The next induction will be at Free Geek on Saturday, the 28th of January! 2012! (more details: http://www.dorkbotpdx.org/workshop/arduino/cult_induction_rev8) To rsvp for the cult inductions you can go to the TDI Products Page

Schedule

Sun 24JUN2012 at Lovecraft Beginning Wearable Tech (eTextiles) for $25 with Cat Poole

Missing Workshops.

If you would like to see something that we aren't doing at the moment please submit work to go add some ideas for workshops you'd like to see. .

Past Workshops.

Jan 23JUN2012 at ADX Programming Digital Art (Processing) with Jeremy Rotsztain

Sun 29APR12 at ADX ($TBA) Surface Mount Soldering Workshop

Sun 1APR12 at Collective Agency (FREE) Introduction to Pure Data Workshop

Sunday 29JAN12 at ADX ($8) Surface Mount Soldering Workshop

Saturday 28JAN12 at FreeGeek ($35) Arduino Cult Induction

Sunday 18DEC11 at ADX $25 Introduction to eTextiles – Sew a Glowing Ornament

Sunday 27NOV11 at ADX Open Lab

Sunday 6NOV11 at FreeGeek! $35 Arduino Cult Induction

Sunday 30OCT11 at ADX $40 Introducing the Through Hole Arduino

Sunday 25SEP11 at ADX PCB Layout Using Eagle FREE

Sunday 28AUG11 at ADX Introduction to eTextiles $25

Sunday 31JUL11 PNCA Arduino Cult Induction. $35

Sunday 26JUN11 PNCA Focused Workshop: Surface Mount TBA

Sunday 29MAY11 PNCA Focused Workshop: Audio Synthesis. FREE !

Sunday 01MAY11 PNCA Arduino Cult Induction $35

29 Mar 2011 - Sound Synthesis

27 Feb 2011 Making Connections with MIDI -- PNCA ($35)

30 Jan 2011 Arduino Cult Induction -- PNCA ($35)

28 November 2010 - Processing.Org -- PNCA (Free!)

31 October 2010 - Open Lab, Scary Edition -- PNCA (Free)

26 September 2010 Basic Electronics for Dorks -- PNCA (35).

29 August 2010 Arduino Cult Induction -- PNCA (35)

28 June 2010 Open Lab -- PNCA (free)

29 May 2010 Artbots -- PNCA (35).

02 May 2010 Arduino Cult Induction -- PNCA ($35)

28 March 2010 - Open Lab: Anything Goes - PNCA ($Free)

21 February 10 Pure Data Workshop 2: Interfacing with the world - PNCA ($35) http://dorkbotpdx.org/workshop/pd/2-interfacing_with_the_world

31 January 09 Arduino Cult Induction -- PNCA ($35)

29 November 09 Design your own circuit board for Fabrication! -- PNCA ($35)

• 06 December 09 Followup Session (PNCA ?)
• 10 December 09 Board Designs Due
• 21 December 09 Boards Handed out at meeting.

19 December - Surface Mount Soldering (TechShop)

27 December Open Lab.

31 January 10 Arduino Cult Induction -- PNCA ($35)

28 February 10 Focused Workshop Sound -- PNCA ($35)

26 Oct 2008 -- Arduino Cult Induction ($25)

30 Nov 2008 -- Sound and Midi (~$25)

28 Dec 2008 -- Open Lab (free)

25 Jan 2009 -- Arduino Cult Induction ($25)

08 Feb 2009 -- Second Session of (25 JAN) Cult Induction ($25)

22 Feb 2009 -- Prototyping ($25)

29 Mar 2009 -- Open Lab (free)

17 May 2009 - Introduction to Pure Data (Pd/pd/puredata) (free)

16 August 2009 -- Pd focused open workshop -- PNCA

30 August 2009 -- Arduino Cult Induction -- PNCA ($35)

25 October 2009 -- Animatronics (motors, servos and relays oh my ($35)

11 October 2009 -- Arduino Cult Induction TechShop Session ($35)

27 September 2009 -- Open Lab --PNCA (free)

25 October 2009 -- Animatronix (motors, servos, solenoids) -- PNCA ($35)

27 January 2008 -- HAYWIRE circuit bending workshop (free)

Comment on Honey Bee Counter from hydronics

Cool Lean...

I saw that article too... I ended up doing it a little back handed... I have not had time to compare and contrast the methods yet... feel free to comment...
If you create a form in Google docs and look at the source page you get a FormKey and when you attach your data points to the formkey.. in this case I had 4... you can post directly to the google doc.. each point is added in its perspective row and its nice because you get a timestamp for your data too!

In Processing:

String [] docs = new String[8];

docs[0] = "https://docs.google.com/spreadsheet/formResponse?formkey=dHNHNWtZQ3lJSzFCZ2kyX0VVVmU0LUE6MQ&ifq&entry.0.single=";

docs[1] = pairs[1];

docs[2] = "&entry.1.single=";

docs[3] = pairs[3];

docs[4] = "&entry.2.single=";

docs[5] = Delta_in;

docs[6] = "&entry.4.single=";

docs[7] = Delta_out;

String docs2 = join(docs, "");

loadStrings(docs2);

https://docs.google.com/spreadsheet/ccc?key=0ApnLvyvHFLKidHNHNWtZQ3lJSzF...

Comment on Honey Bee Counter from hydronics

This was exactly what I was looking for for what to do with the data from the BOM5k. My client loves it. Thanks Laen.

Author: karl

Toorcamp 2012 installation.

Meeting notes Jun 11. COMPONENTS

death face

• photo
  • camera
  • lights
• trigged on game event
• leaderboard
  • display
  • networked to game

game input effects

• fans on movement
• arc on firing

game event effects

• death
  • lights/displays go out
  • arc
  • then flash, camera - scary
    • record death face

non-input environment

• light
  • all down momentarialy at death
  • ambient lights on normally
    • brighter if not occupied, dim on enter?
• fake arc near hands
• sounds
  • ranting - james
  • attratct mode - game noises when game not playing

physical environment

• junk
• dark tent/pavilion
• curtain
• literature rack
• signs outside
• totem pole, yuck

PHYSICAL STUFF NEEDED

tent mame machine

• computer
• monitor
• game hardware - cabinet, sticks, etc.

death face

• camera
• lights
• display - projector and screen, or lcd
• stand for display and etc
• separate computer, network?

other effects

• fans
• lights
• arcs
• fake arcs - lights, ozone, smoke?
• relays for controller and power
• controller
• other smells?
• amp, player

junk signage recording

• content from James
• eugene jarvis rant from Jason
• amp
• player

literature

• zines
• stickers
• rack

NEEDED SUPPORT

power

location

grant

TASKS

game software - elijah

• mame box

death events - elijah and brian

• trigger events on every death, or last
• get score and initials on final death for leaderboard

other events

• triggering off of controls - karl
• triggering off of environment? - karl?

leaderboard - jason and libbey

• camera and flash
• get photos, score from game
• track photos, score on leaderboard
• leaderboard software, installation, to display photos and scores

game hardware - elijah

• cabinet
• sticks and controller
• kneeling pad

other environment

• tent and curtain - jason, everyone look for a tent
• signage - karl
• ambient lights - jason
• literature - karl, elijah
• literature rack - libbey

talking to toorcamp - karl

• grant hustling
• siting, electricity etc

get others - karl

• announce to list, ask if anyone's interested

AGENDA

Status in 2 weeks, jun 24. Discuss progress, what tasks will require effort, assign tasks, schedule.

Technical Notes MAME/Robotron Some notes originally from here:
http://seanriddle.com/robob.dat
are over here:
http://pastebin.com/7dhftVgF

The interesting/different parts:

• label 983F jjp - holds current player number (1 or 2)
• label 9848 jjp - turns to a 1 immediately upon death, back to 0 during regular gameplay

Comment on Austin likes the bacon. from feurig

There is a pretty good discussion about the current arm cortex-m3 and how to make it approachable.

Comment on Honey Bee Counter from hydronics

http://blog.blprnt.com/blog/blprnt/open-science-h1n1-processing-and-the-...

Comment on Honey Bee Counter from hydronics

Learning a bit of processing so I can data log the bee count to google docs... Shit I said it I guess I have to do it now.. Thanks!

Comment on Austin likes the bacon. from feurig

I will be there Monday but because its a presentation it will be a bit hard to discuss much. Will you be at Open Source Bridge this year? I will be giving a talk on it http://opensourcebridge.org/sessions/847 .

Comment on Austin likes the bacon. from feurig

I recently found the Maple project and have become interested in it. I was hoping to find some local users. I've known of Arduino for years, but never bothered with it because I figured it was yet another 8-bitter.

Perhaps that was a bit rash of me. Since there's little Maple specific documentation and hardware at this point I've gone back and started reading up on the Arduino and have become impressed with the IDE that they developed. I can see now why it's become the defacto hobby board. Keil and IAR are quite powerful, but they're also a PIA to use. Like they were designed to encourage service contracts or something...

Comment on Two Years of Pretty Good Service from WardCunningham

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Comment on Honey Bee Counter from hydronics

I'm excited that you finished this!
Are you going to chart the patterns of bee entry and exit for posterity? I would be interested to see.

Author: breedx