Thursday, Sep 30th, 2010
Arduino is refreshing its core product line by renaming the Duemilanove to Uno, upgrading the Mega, and replacing the FTDI with a much faster and more flexible ATmega8U2 programmed as a USB to Serial converter on both. A new logo and website design are also being shown off. For the official announcement visit
Thursday, Sep 23rd, 2010
Mitch Altman appears in a video series where several hackerspaces are challenged to repurpose a commercial product of some sort in a way that a "common person" would find useful. Video after the break...
Wednesday, Sep 8th, 2010
The general meeting on the 7th of September yielded a fresh harvest of planned events, all open to the public as usual.
Sunday, Aug 22nd, 2010

Matt Mets, from Make magazine, has graciously given us permission to use his photos here on our website. For bandwidth reasons, we're only displaying scaled versions of some of the photos. The complete set can be found in Matt's Flickr Photostream.

Saturday, Aug 21st, 2010

The hackerspace swarmed last night with new and beginning solderers. Mitch Altman of TV-B-Gone fame, along with Jimmie Rodgers, full time hacker, and Matt Mets from Make magazine, brought in suitcases full of goodies for attendants to demo and play with.


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Upcoming Events


  1. Hack Something!

Tuesday, October 13th

  1. Halloween Prop Night

Saturday, October 17th

  1. Diane's Birthday

Sunday, October 18th

  1. Hack Something!

Tuesday, October 20th

  1. Derek Presents Back to the Future 2

Visit Us!

Come check out the space at one of our regular Tuesday meetings, year-round. Tuesday meetings are always open to the public, and generally begin at 7:30 pm.

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About Our Hackerspace

Arch Reactor was founded in 2009 by a group of friends who liked technology, programming, making, and pizza. Now St. Louis' largest hackerspace, Arch Reactor's growing membership continues to bring new skills, projects, equipment, and people to one place.

For a deeper understanding of what we're about, you should check out our explanation of hackerspaces, perhaps read about one of our members' projects, or (best of all) come meet us in person at the next open event!

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