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the white label is todbot's arduino 'pin decoder ring' from a .pdf file. nice idea, todd! use some double sided foam tape and attach to top of chip. one layer of clear tape on the label and its good to go.
this circuit is another 'minimal arduino' that has just enough to support download of software, led-13 (usual for diagnostic and testing), a local reset button and an IR (infra red) receiver 3pin molex port.
todbot's blog post: todbot.com/blog/2009/05/23/arduino-chip-sticker-label/
to see the circuit in-use (as a volume control controller):
got this in the mail before heading out of the country. can't wait to play when i get back! hoping to incorporate some sensors into my felt system just to try out different options. overall though i would like to keep it simple and minimal parts/electronics. but i also want to see what's possible.
LEDs pulse back and forth in the mantle to indicate roughly how many friends are on Xbox Live. It goes into red alert if anyone's playing Left 4 Dead.
Our third Arduino 101 class at Tam Makers went really well. I taught this evening course with co-instructor Donald Day on Thursdays, from June 16 to 30, 2016, at the woodshop in Tam High School in Mill Valley.
We worked with an enthusiastic group of seven students, including adults with diverse backgrounds, as well as a couple high school students. Our partner Geo Monley worked both as a mentor and as a student during the hands-on sessions.
We started the class at 6pm, by giving students an overview of how circuits work. We then learned how to use a multimeter, how to solder electronics, and how to control rainbow-colored NeoPixel lights.
Students seemed to really enjoy this class and told us they learned a lot from it. Several expressed an interest in taking intermediate and advanced classes in the future. This is one of our first maker courses at Tam Makers, and we’re really happy that it is going so well; we look forward to teaching more classes in the fall.
View more photos of this Arduino course:
www.flickr.com/photos/fabola/albums/72157659914570948
Learn more about this Arduino 101 class:
www.tammakers.org/arduino-101/
Read our Arduino 101 Guide:
bit.ly/arduino-101-guide-june-2016
Check out our course slides:
bit.ly/arduino-101-slides-june-2016
Learn more about Tam Makers:
Connecting an Apple II keyboard to a computer with USB is surprisingly easy with a Teensy board. The Apple II uses an ASCII keyboard, which means that rather than returning scan codes, it returns a 7-bit ASCII value. This also means you can't read the state of modifier keys like shift or control independently. The Apple II keyboard in particular doesn't even support lower-case letters (though I've made a bit of a hack for this). They even re-use a couple alpha keys for other characters, so shift-P makes @ and shift-N makes ^. Other late 70s/early 80s home computers like the TRS-80 had a really simple layout like the Apple II's (though the TRS-80 had all four arrow keys but no Control key). I may have to try out adapting some other weird old home computers as USB keyboards -- the C-64 seems like it would be a good shape/size for that. (from afiler.com)
Arduino (Teensyduino) code is available at github.com/afiler/keyduino.
Experimenting with the readability of photos and circuit board diagrams on the Kindle. Looks promising ..
Connecting an Arduino and Raspberry Pi to create a webpage with temperature and humidity measurements.