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Arduino HFDay Hardware Freedom Day 2013. wiki.hfday.org/2013/Argentina/La%20Plata/Equipo%20La%20Plata
For our second project, we had to use our two words (mine were Edible Email Notifier) to create something using an Arduino. I made my email notifier fully functional, with a lot of time dedicated to coding.
Step-15: Put the Shield on your Arduino, and stack the breakout-board on it.
The future Shields will keep this option of the breakout-board. Although ou are also able to solder the bluetooth module on the shield.
This came up with the need of having the arduino permanently installed on the robots, I´m tired of having to remove the arduino from one bot to the other, and then rewire everything, and then reupload the code everytime I have a new idea, or everytime I want to show the bot to someone, or whatever.
So I followed the ITP Physical Computing tutorial, and it works like a charm, no I want to try to upload code with the FTDI cable, and If I have success on this I can start making my custom Arduino boards. :D
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First I had an iPod... but never felt right leaving it in the car. Then I got a smart phone but it doesn't work with iTunes (thanks Apple) and besides, I don't always have it ready to connect to the car. I tried Pandora, but turns out they rat on your every move to their advertisers. Then I saw this Music Shield for Arduino. That's something I could leave in the car!
I plugged it in and followed the tutorial, and had it working with almost no hassle.
The hassle was I couldn't get my 4Gig card to work. But I found a 2Gig card and that worked ok. It even played AAC iTunes filies!
Then after a couple of weeks using it I realized that the most annoying "feature" about it was that it always starts at the first song, and then plays the second and then the third, etc. So unless you leave your car on for two weeks, you're always hearing the same first many songs despite there being hundreds on there.
So I poked around in the code to try to figure out how to add a shuffle capability. It isn't too pretty, but this does seem to work:
Early in the setup() function in the 10 line Arduino "example" add:
randomSeed(analogRead(5));
Then in /Applications/Arduino.app/Contents/Resources/Java/libraries/music_v1_13/player.cpp make this change:
void Play()
...
PlayCurrentFile();
if (playingState == PS_PREVIOUS_SONG) currentFile--;
if (playingState == PS_NEXT_SONG) currentFile++;
to
PlayCurrentFile();
if (playingState == PS_PREVIOUS_SONG) currentFile = random(32767);
if (playingState == PS_NEXT_SONG) currentFile = random(32767);
Compile and download, and now it skips around fine. I would've liked to randomize the file list so you could go-back in your shuffled playlist, but that would've meant adding a look-up-table, and I'm not motivated enough to mess around that much with this code. I suppose, I could add a switch or something to decide if it should go random or ++/--, but this will probably suit me just fine for the foreseeable future.
Note that it will still play the same first song every time, when you skip to the next (or last) song, it will be a random song.
Update: bah... having trouble getting a good random seed, every time I'm getting the same pseudo random number sequence... ok have to switch analogRead as corrected (not using 0).
Browser-based music visualization + computer-driven light control (LED strobe, black light, red flood lamp lighting, and an outdoor 10-jet ultrasonic mister / blue neon tube "boiling cauldron" effect.)
Lighting control was done using a hacked-together mishmash of JavaScript -> Flash -> socket/serial proxy -> Arduino Uno USB stuffs. (See earlier work-in-progress video.)
We taught a workshop on how to create interactive art with the Arduino platform at the Mill Valley Library on October 24, 2015.
We showed 9 students how to make lights blink, sounds play, motors move, and how to add more color with neopixel LEDs, as described in this online guide we created for the workshop:
At the end of the workshop, we asked participants if they would like to this again, and the answer was a resounding yes! Participants told us they learned a lot from this workshop and would not only come back for future workshops, but also recommend this program to their friends.
Instructors for this workshop were Donald Day and Fabrice Florin, with support from Natalie and Jean Bolte. We are all members of Pataphysical Studios, the art collective behind the ‘Pataphysical Slot Machine’, our poetic oracle.
Come visit the exhibit this month! We’re open every Saturday and Sunday in October, from 1 to 5pm, in the downstairs conference room of the Mill Valley Library.
Special thanks to the Mill Valley Library and the Friends of the Library for making these workshops possible — especially Kristen Clarke, who helped us get the Arduino parts and set up for the workshop.
View more photos of the exhibit: www.flickr.com/photos/fabola/albums/72157659147117739
A small adapter I made to connect an FTDI cable to the XINO Arduino clone.
Here is the layout for the stripboard FTDI adapter.
This may be the first ever Arduino MEGA 'hack" ?
Here I have used two 16 wire ribbon cables to break-out the large 32 pin double row connector on the right side of the Arduino MEGA. This is a 32 position IDC connector with extra long male-male pins going down into the Arduino, on the other side I used two 16 pin DIP style connectors.
More info about the MEGA here.
some more vst effect controls such as a vocoder and robobear, part of my Arduino/4051 multiplexer based midi controller.
#include
// LiquidCrystal display with:
// rs on pin 12
// rw on pin 11
// enable on pin 10
// d0, d1, d2, d3 on pins 5, 4, 3, 2
LiquidCrystal lcd(12, 11, 10, 5, 4, 3, 2);
char title[] = "Hello World! ";
void setup()
{
lcd.clear();
int i,j;
for(i=0; i<13; i++){
for(j=16;j>=i+1;j--){
lcd.setCursor(j+1,0);
lcd.print(title[i]);
delay(30);
}
}
}
void loop()
{
}
Closeup of our old Arduino CNC controller setup. The Arduino output signals corresponding to what the CNC software outputs on the PC parallel port. We then simple route these signals into a parallel port connector.
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:
A LDR controlling a led. This is basically just this. Arduino is really cool to play with, think I'll be up all night...