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June 14 2017

Visitor project: Dominion storage solution
NYCR Members Kari Love and Matthew Borgatti teaching Soft Robotics and Bioinspiration at ITP Camp

June 13 2017

Tuesday Sweep: 13 June 2017

Welcome to your weekly reminder to back up your data, update software and otherwise pay attention to your digital environment. (Oh, and to come to the CRASH Space meeting…)

Jump in Here

  • Welcome. If you haven’t been following along, it’s okay. You’re not behind, you’re just where you are.
  • I highly recommend the coach tool at the Crash Override Network has a great step by step break down for many of the same introductory steps we did here.
  • Feeling more ambitious? Review the list of OneThing articles and pick one to catch up on.

Sweep

The basics.

  • Updated software recently? Pick a new device to check on today.
  • Backups still up and running? When was the last time you made a clean disk image? Here’s a new great article on how to design a backup system.
  • Reduce your attack surface: Delete a low quality app from your phone or delete an account that you don’t need that doesn’t make you happy. Digital cruft builds up. Delete it.
  • Anywhere you could add two factor authorization? While you’re at it, move the password to your password manager… and delete it from everywhere else.
  • Double check privacy settings on your phone, social media accounts. The folks running the companies can change the TOS and add “features” before you notice them.

Weekly Round Up

Where do you scan for news?

Reflect

Feeling dumb or stupid about how not-l33t you are? Angsting over some silly thing you “know better than to do.” Stop. That isn’t useful. Regret is only of use if it prompts an actual change in behavior. Maybe it’s NOT you that sucks. Could be it’s the technology and you could come up with a fix that would help lots of people. Look forward and make a plan.

Engage

We are a community. You are a welcome part of it.

  •  Did you learn something cool in your sweep? Make something? Share it!
  • Speak up
  • Give
  • Show up at CRASH Space tonight!

June 06 2017

Tuesday Sweep: 6 June 2017

 

Welcome to your weekly reminder to back up your data, update software and otherwise pay attention to your digital environment. (Oh, and to come to the CRASH Space meeting…)

Jump in Here

  • Welcome. If you haven’t been following along, it’s okay. You’re not behind, you’re just where you are.
  • I highly recommend the coach tool at the Crash Override Network has a great step by step break down for many of the same introductory steps we did here.
  • Feeling more ambitious? Review the list of OneThing articles and pick one to catch up on.

Sweep

The basics.

Weekly Round Up

Where do you scan for news?

Reflect

Feeling dumb or stupid about how not-l33t you are? Angsting over some silly thing you “know better than to do.” Stop. That isn’t useful. Regret is only of use if it prompts an actual change in behavior. Maybe it’s not YOU that sucks. Could be it’s the technology and you could come up with a fix that would help lots of people. Look forward and make a plan.

Engage

We are a community. You are a welcome part of it.

  •  Did you learn something cool in your sweep? Make something? Share it!
  • Speak up
  • Give
  • Show up at CRASH Space tonight!

June 05 2017

NERP Tonite: MOSFETs with Ste!

Mosfets – They can be “on” — They can be “off” — They can even be in between! Tonight at NERP, entrepreneur, engineer, and really good teacher Ste Kulov will guide us into the world of mosfets. Metal Oxide Semiconductor Field Effect Transistors if you want to impress your friends.

N-Channel MOSFET [wikipedia]

Since mosfets are a wide and deep subject, I asked Ste where he wanted to focus his talk. With great economy of words, he said it better than I could.

“Most of the generic stuff, fairly quickly.  A few simple examples I was probably going to cover are: making a logic inverter, a logic controlled load-switch, and reverse battery protection. Simulating in LTspice [circuit CAD], since I can draw that stuff in two seconds and put it on the screen.  If you want to do a power MOSFET application, I would need to see the datasheet for it.  Also keep in mind that high current stuff is no good for breadboards. If you need a list:  4 vs 3 terminal, body diode, Rds(on), gate drive, switching speed, N-channel, P-channel, CMOS digital logic, CMOS analog switches.”

NERP is not exclusively Raspberry Pi, the small computer and embedded systems interest group at Pumping Station:One in Chicago. NERP meets every other Monday at 7pm at Pumping Station:One, 3519 N. Elston Ave. in Chicago. Find NERP and Pumping Station:One at

www.meetup.com/NERP-Not-Exclusively-Raspberry-Pi/­
and
http://pumpingstationone.org/­

Tags: electronics, embedded, NERP, Open Source, raspberry pi, hackerspace, Beagle Bone, Pumping Station One

May 30 2017

Making stuff for scientific conferences

Last year I was making little things for a conference my work organized in Chicago.

You’ll find more info on my blog posts. But as a teaser, it involved laser-cutting, glue, Inkscape and a lot of mistakes (but I didn’t took pictures of those, too bad).

Awards

A person touching a device

Slide Ruler

Circular slide-ruler in acrylic on plywood board.

Tuesday Sweep: 30 May 2017

Welcome to your weekly reminder to back up your data, update software and otherwise pay attention to your digital environment. (Oh, and to come to the CRASH Space meeting…)

Jump in Here

  • Welcome. If you haven’t been following along, it’s okay. You’re not behind, you’re just where you are.
  • I highly recommend the coach tool at the Crash Override Network has a great step by step break down for many of the same introductory steps we did here.
  • Feeling more ambitious? Review the list of OneThing articles and pick one to catch up on.

Sweep

The basics.

Weekly Round Up

Where do you scan for news?

Reflect

Feeling dumb or stupid about how not-l33t you are? Angsting over some silly thing you “know better than to do.” Stop. That isn’t useful. Regret is only of use if it prompts an actual change in behavior. Maybe it’s not YOU that sucks. Could be it’s the technology and you could come up with a fix that would help lots of people. Look forward and make a plan.

Engage

We are a community. You are a welcome part of it.

  •  Did you learn something cool in your sweep? Make something? Share it!
  • Speak up
  • Give
  • Show up at CRASH Space tonight!

May 29 2017

We’re open for Craft Night

May 26 2017

Recording a Variable Strobe Light

Steve and I made a really fun fountain controlled by a bike pump for Maker Faire 2017. It was a huge hit with attendees. Unfortunately, sharing it on social media was a pain:

View post on imgur.com

This is the problem whenever you are trying to record a strobe lit object. Black bars show up on your screen. It’s possible to make them smaller with some settings, but I figured I wanted to make it completely go away. Our fountain has a variable strobe, depending on the bike pump, that makes the problem even harder to sync to.

Luckily, I had an industrial camera with a trigger input.

I was able to sync the trigger output on the 24V line of the fountain directly to the trigger input of the Cognex 2000-130 camera. I’d like to get a higher quality and different lens for this camera, but the basics worked. It showed the image fully.

View post on imgur.com

Final product becomes a nice image with no flickering and no horrible bars. Video. I used CAM Studio to record the screen on Cognex’s InSight Explorer.

If you have a strobe fountain or other effect and want to record decent video without the scan bars or hum bars, this is a possibility. Send the same output from your strobe to your camera and record the video onscreen.

More information about our levitating fountain and check out the HackADay post about it.

May 24 2017

Urban Neighbors: The Biodiversity of Urban Los Angeles: Watch Online!

This event was a part of the Civic Engagement Survival Guide: a series of free talks and workshops focused on creating a community that is informed, organized, and engaged.

Samantha Sullivan is a graduate student in pursuit of a Masters in Biology with an emphasis in wildlife conservation. Currently, she works with communities both locally and internationally on assessing barriers and collaborating with locals and conservation organizations in the region to create solutions that work toward coexistence between wildlife and the community. Recently, Samantha came to speak at CRASH Space to educate our community about how we can protect our local wildlife.

If you’re interested in conservation, Samantha also provided us with a useful list of links to the initiatives, organizations, and resources she mentioned in her talk:

You can learn more about Samantha through her website, www.openspacescoalition.com. Watch past videos or view upcoming events on the Civic Engagement Survival Guide.

CRASH Space is a 501(c)3 non-profit organization which works to promote education through individual projects and social collaboration. CRASH Space is also a member of the EFF Electronic Frontier Alliance: a grassroots network of community and campus organizations across the United States working to educate our neighbors about the importance of digital rights.

Leading an event in this series is a paid opportunity. We are interested in events which encourage community action and education, on topics such as: civic engagement, social justice, support for marginalized groups, environmental protection, and more. Please send proposals to [info at crashspace dot org]. To support our work, you can donate here.

May 22 2017

Levitating Fountain

Steve Goldstein and Kevin Jordan confused a plethora of stunned Makerfaire makers with their levitating fountain.

We used an oscillating pump to create a constant stream of equal droplets for the old trick of water that looks like it stands still using a strobe light. Luckily, we have too much time on our hands and a lot of junk hanging around. We modified the stroboscopic effect by adding a standard bike pump hooked up to an air pressure sensor then had an Arduino Nano change the strobe frequency of a high powered LED strobe light.

 

The effect is stunning in-person as the user of the bike pump feels like they are pumping air into the stream of floating water to make it float to the top. Our fellow maker faire makers were really in disbelief.

Thanks Mike at Hackaday for this awesome video!

Checkout his entire write up over at Hackaday.

It was great hanging out at the CrashSpace 2017 booth with Theron, Barb, Jay, Michael, Tom, Matt, Mark, Wendy and the thousands of people who came by to say hi.

 

May 17 2017

Bronze Casting!!!!!!

As you may have noticed, the Small Metals area has moved to where hot metals used to live. The process has been gradual but successful. We conducted an experiment over the weekend involving plaster investment and molten bronze. There were many variables in this process including new-to-the-space machinery: the kiln, the electric melting furnace, and the vacuum investment table. As well as different materials used, possibly expired flux, a new kind of plaster, and a type of bronze that had been melted a number of times before. All in all it was a great success. Here is a brief overview along with some photos to enjoy.

Seen here is the kiln at a glowing red temperature of 1,500 degrees. The molten bronze getting ready for the pour. Also seen in this picture is the vacuum table for the cast to help pull the metal through the investment.

The Termolyne mini melt electric melting furnace! Bronze has a melting point of 1,742 degrees 

The pour!

 

Fresh out of the pickle!

-Ella Gentz

May 16 2017

Tuesday Sweep: 16 May 2017

Weekly Round Up

Where do you scan for news?

Sweep

This list will be getting longer, but lets keep it simple while folks are still setting up.

Reflect

What’s are the frictions keeping you from doing “what’s right”? Regret is only useful if it leads to a plan on how to improve.

Continuing Set Up

We’ve covered so much so fast. You’re not behind, you’re just where you are. Pick something to do.

  • If you’re having trouble with all the set up, the coach tool at the Crash Override Network has a great step by step break down for many of the same introductory steps we did here.
  • Review the list of OneThing articles so far and pick one to catch up on.

Engage

We are a community. You are a welcome part of it.

  •  Did you learn something cool in your sweep? Make something? Share it!
  • Speak up
  • Give
  • Show up at CRASH Space tonight!
Visitor projects: the most excellent blanket

May 15 2017

Absolute Beginners Computer Programming Class

Monday, May 15th from 7-9 pm in the LVL1 Classroom. We will be learning to program using the free KhanAcademy programming tutorials that are online. This class will be teaching the “processing” computer language which is very similar to C, javascript and the Arduino code. You could just go through the tutorials online by yourself, […]

May 11 2017

Bob Ross Hack-A-Thon

Bob Ross and chill with the LVL1 crew on Friday, May 12th from 7 pm onwards. Our weekly movie night will consist of Bob Ross painting episodes on the big screen along with free pizza, friends, and fun. There will be prizes for the happiest trees, the saddest trees, the hackiest trees, and the OMG […]

Naval Ordnance Shenanigans

Naval Ordnance is back again! Join us on Saturday, May 20th at 9am to play an exciting game of Naval Ordnance: the bigger and badder cousin of the Battleship game we all know and love. We’ll be setting up the game pool in the parking lot and will start festivities by organizing teams to compete and/or […]

THE 10 GUIDELINES FOR CUSTOMER CARE

To handle this severe problem, reduction reduction practitioners should have an knowledge of the sort of thieves. Experts typically select products that is incredibly precious or is in the marketplace for a significant money bidder. With proper policies and methods, a business can successfully continue being up to-date on the newest practices and can prepare […]

May 09 2017

Tuesday Sweep: 9 May 2017

 

Weekly Round Up

Where do you scan for news?

Sweep

This list will be getting longer, but lets keep it simple while folks are still setting up.

Reflect

What’s are the frictions keeping you from doing “what’s right”? Regret is only useful if it leads to a plan on how to improve.

Continuing Set Up

We’ve covered so much so fast. You’re not behind, you’re just where you are. Pick something to do.

  • If you’re having trouble with all the set up, the coach tool at the Crash Override Network has a great step by step break down for many of the same introductory steps we did here.
  • Review the list of OneThing articles so far and pick one to catch up on.

Engage

We are a community. You are a welcome part of it.

  • NEW: Did you learn something cool in your sweep? Make something? Share it!
  • Speak up
  • Give
  • Show up at CRASH Space tonight!

May 08 2017

Interactive Show Preview: Dance Dance Running Man
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