I’ve been playing arround with ideas for an interactive touch screen LED surface for a while now, mainly using capacitive touch sensor’s and infra red proximity sensors, both of which are cheap and relatively simple to implement, especially on prototyping enviroments like arduino.
While the sensor stuff isn’t too exciting too look at just yet, since all I’m doing is reading the returned sensor data through the Serial Monitor, I thought I’d post up a sample of the LED matrix that the sensors will end up being used to control.
Grab yourself a beer and some popcorn, and prepare yourself for a mildly interesting video of a scrolling wave pattern… and then Conways “Game of Life”, which is a slightly modified version of of the example from Andrew on the Arduino forums.
July 18th, 2008 - 10:21 pm
That looks really cool – reminds of Tenori On. Would be great to make a similar musical instrument out of this.
Enjoying the blog – keep it up!
Graham
July 18th, 2008 - 11:47 pm
it’s nice to know people read this thing! i really should set up the traffic monitoring!!
i’ve only ever played with a monome’s, which are great, but i noticed a while agoe that Rub a Dub have a tenori on in the shop i should really and go and play with one day! i’ve been mucking about with the arduino monome code by the guys at bricktable http://bricktable.wordpress.com/30/ which has proved to be very entertaining so far! if i could only finish a project….
cheersfor the feedback and stopping by mate,
bod.
July 19th, 2008 - 9:09 pm
You’re project looks great! I’m interested in knowing how you are operating your LEDS? Similar ways to what we are doing?
As far as tenori-on vs. monome, they are two completely different beasts to me… and Owen and myself have the pleasure to own both!
Jordan
July 20th, 2008 - 1:48 am
hi jodran, the code you and owen wrote has been very interesting to play with!
the matrix in the two clips are actually run off of Andrews code for the arduino that uses no other IC’s. its very useful in how it operates with the timer functions, but the down side is that it leaves you with 2 pins to play with, which is unusablefor me in the long run, as i need to read 16 or more IR sensors via a couple of4051 demultiplexers.
the max7219 chips in your monome clone are really handy in this respect, and I’ve got a load of max7219 chips from a previous project http://pixelcubes.wordpress.com/ that, yet again, i never quite finished documenting, but it worked by receiving a command to trigger a predefined pattern/sequence on the matrix, and looked pretty impressive when installed. i haven’t done much with the arduino boards for a while now, but its starting to all comeback to me now! having said that i might have to pester you with some questions on the serial side of things for receiving bytes through arduino and passing them to the 7219.
good to hear from you!
bod
August 30th, 2008 - 8:44 pm
Have you seen this http://www.youtube.com/watch?v=7kzIHMpOt20?
I am trying to emulate it using a Pic microcontroller: http://www.youtube.com/watch?v=l0joutRSC1M
Best regards from Madrid
September 7th, 2008 - 1:35 pm
thanks for the link mate! your circuit looks great! is it just led’s or are there IR diodes in there as well?