Maker Faire 2014

Maker Faire went really well.  I had a booth about the new audio library, and we also built a OctoWS2811 LED display for Freescale's booth.

Click "Read more" for more photos...

Byte Beats Workshop

 

 

Learn how to create the amazing sounds which have been dubbed ByteBeats without a computer!

 
What: Students will learn how to interface a microcontroller with a DAC (Digital Analog Converter) and an audio amp to produce sound.
Instructor: David Madden
When: Sunday May 25th, 1-5pm
Where: Flux (412 NW Couch, #222) Goldsmith Building. Look for doorbell on wall for entry.
Cost: $30 dollars for the kit.  Kit includes:  Teensy, Breadboard, DAC, op-amp, hookup wires, and audio jack.
Bring:  Laptop, Headphones, Wire Strippers, and USB mini cable
Limited seating:  RSVP bzzt@knowhere.net 
 

Roasting coffee the old fashioned way...

...with a popcorn popper and a microcontroller!   More to come...

Processing Fundamentals

DorkbotPDX invites you to "Processing Fundamentals".

A free workshop at Flux

DorkbotPDX is happy to offer a 4-hour intro to Processing -- a graphics programming environment. Students will learn the basics of Processing.
No prior programming experience required!

 

  • When: Sunday, April 27. 2-6pm
  • Where: Flux Hackerspace (412 NW Couch #222, Portland, OR)
  • Cost: FREE!!!
  • Bring: A laptop with Processing 2.0 installed (if you can)
  • RSVP: bzzt@knowhere.net

Source code: Processing_Fundamentals

Built with Processing and Processing.js

Anyone recommend a beginner 3d printer?

Hey everyone! I'm the lead organizer for the Portland Indie Game Squad. Our funding project recently surpassed most of its goals – which are all resources being made available to the community – and I'm coming up with some higher-tier options. A 3d printer is definitely on my list for the board game/miniature game developers in the group, and I've been asking around for what people might recommend as a "beginner" setup, somewhere between $400 and $600.

A Music From Very Short Programs Box

This weekend my friend Jacob S. and I built a Arduino based music box to play Ville-Matias Heikkilä wonderful one-line C code that makes surprisingly complex "Music From Very Short Programs."  

Introduction to Pure Data (Pd)

An Introduction to Pure Data

DorkbotPDX is happy to offer a free workshop as an introduction to Pure Data (Pd).

When: Sunday, February 23rd, 2014. 1-5pm

Where: Flux 412 NW Couch Street, #222 (map)

Bring: A laptop and headphones

Instructors: Jesse Mejia, Alex Norman, Jason Plumb, Edward Sharp

Solar Bling

I like to put my projects on Instructables and I wanted to share this recent post.
http://www.instructables.com/id/Solar-Bling/

Its 2.5V 10F Super Capacitor, Solar Charged, and Attiny85 charge controller and LED blinker.

Arduino SMS device

I'm working on an SMS device that is programmed in the Arduino IDE and uses a tiny chorded keyboard for input, a SIM900 GSM module to accept standard AT commands, and a Nokia5110 LCD to display output. I stopped by earlier this evening and Paul (thanks Paul!) helped me debug. I've posted a thread on the Arduino.cc forum http://forum.arduino.cc/index.php?topic=206415 but basically I'm having trouble getting my sketch to run in the tiny 2K of RAM available on the ATmega328.

DC Motor Controller for an Electric Bicycle (ebike)

I designed and built a motor controller for my ebike (after the original Chinese-made controller failed).  I wrote an instructable about the build here:
 
http://www.instructables.com/id/DC-Motor-Controller-for-Electric-Bicycle
 
Regards,
 
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