Category: electronics

  • My first E-bike

    Last time the government gave me a significant amount of unexpected money I bought a sporterized mac 90 (a semiautomatic ak-47). This time I decided to join a different revolution. With a projected cap of $1200 I asked a friend to help me pick parts for converting a Yamaha 850 tripple to electric. He remembered […]

  • Transit Tracker Rebuild: Making Due With What You Have.

    Most of this week has been devoted to finishing the house network setting up a workspace in the garage and using it. One of the things I have been trying to get off of my plate was to rebuild the transit tracker that we use to tell us when the next max is going downtown. […]

  • Our Favorite Solderin Iron

    The Weller 25 Watt Marksman Soldering Iron (model # SP23L) Local Sources: Beaumont Hardware URS Electronics Pearl Hardware

  • Resources for the Newly Inducted

    Now that you’ve taken the plunge into microcontrollers, here are some good resources to help you with your first project. Books Getting Started in Electronics by Forrest Mims A good resource if you have zero experience with electronics. Physical Computing: Sensing and Controlling the Physical World with Computers by Dan O’Sullivan and Tom Igoe Covers […]

  • Slicing up Maple Bacon

    I had been itching to do more Eagle projects since I took Laen’s class, so Don tasked me with a variation of the Maple Mini to use with a Gainspan module. It is rather large, but the surface mount parts are large enough to do at home on a hotplate. In fact, the board is designed […]

  • The other open source (ITS THE Meta-DATA STUPID)

    I wish I had seen Ladyada’s blog about getting off the fence about kicad before she closed comments to it. I just ran up kicad on my mac and its still not ready for prime time. The worst part of it is that the designs that are in kicad are stuck in kicad. It scared […]

  • Focused workshop: Artbots 30 May 10 — PNCA ($35)

    In this workshop we will be taking our dorkboards and using them to create a simple machine that draws. The focus will be on hands on problem solving. What you will get. A servo and a geared motor with paper feed. A motor driver board. Misc parts. What to bring: A dorkboard, teensy or other […]

  • Making Pigs Fly — Object Space, Spokane 07-11 June 2010 ($105)

    An introduction to physical computing for artists and musicians. What: This workshop is an opportunity for 15 to 25 people to spend a week working on the fundamentals of integrating micro-controllers into the arts. At the end of the week participants should be able to build and program their own Arduino compatible micro-controller system and […]

  • My Sample Design for Fabrication Workshop.

    At the eagle for fabrication workshop on sunday I started with a design that Thomas Lockney threatened to build about 2 years ago called the Low Fi Arduino Guitar Pedal. ( It was simple enough to get through the necessary parts of eagle that I was teaching and while it wasn’t perfect It beat the […]

  • 3 ways to 3 volts

    I have a few devices that I need to interface to either the benito or another avr board that run at 3.3v. one is an ethernet interface, one is a bluetooth modem and then there are the x-bees. One Way: Simple Voltage Divider. When looking for interface examples for the xbee I found a site […]