Im building my waveshield at the moment, I'm new to m.controllers and electronics in general. Ive read a little about this shield but haven't tried anything yet (still building). I would like to ask some questions here before I start.
Im building an interactive wall with the hope to use 8 IR PhotoTransistors to trigger 8 different tones, like a small non-contact keyboard. I read somewhere that the Arduino/Waveshield can only support 6switch/sensor inputs. I need 8.
I have Arduino Duemilinove and the PhotoTransistors I want to use are the QRD1113/1114 REFLECTIVE OBJECT SENSOR made by Fairchild.
Could you please first tell me if this is possible and finally point me in the direction of where I can find information about code and breadboard layouts. Like I said, Im a novice but Im a fast learner.
Thanks in advance.
I was planning on using my Arduino Duemilinove for the job.
Is there any way that I can use two digital inputs and the 6 analog ones to get all 8sensors playing the 8tones stored on the wave shield?
How did your project turn out? Did you have any trouble interfacing with the Mega, or were you able to use the Dueliminove? I'm interested in constructing a similar project and would be interested in hearing about your lessons learned. Based on the content of this thread, I am guessing that you had a lot of trial and error involved.
Im still plugging away, stumbling in the dark.
Havent made much progress as Im a complete noob.
Ive decided to forego the 8 sensor inputs(and mega) for now, while I try and figure the simpler stuff out. I have the Shield connected to my Duemilanove with the hope of using the Mux shield in the future to multiplex.
To be honest Im lost but cant find anyone to help.
Ive followed the directions on http://www.ladyada.net/make/waveshield/libraryhcplay6.html
but cant for the life of me get anything to work.
Perhaps its too difficult for someone like me.
Sorry I cant help you but the Mux shield may solve the 6input limit problem if it indeed exists.
Unfortunately I have a long way to go before getting there.
Thanks for the link. It talks about increasing digital inputs, would it still be possible when using the 8 analog phototransistor sensors?
Im away from home at the moment. Will be back at my arduino on the weekend, then I will try to reenact all the errors and problems Ive come across over the last few months and post them here for you to see.
Thanks a lot.
Thanks again Grumpy Mike for those links.
I can see they will help me get this project going, and I will have some questions for you about your footsteps setup when the time comes but for the moment I will explain the problems Im having.
Everytime I press reset on the waveshield I get this error in the serial monitor:
WaveHC with 6 buttons
Free RAM: 646
Card init. failed!
SD I/O error: 1, 0
Do I have to use 4MHz mode? I have a Wavshield v1.1
Im unclear as to how to alter the code to change to 4MHz mode and am not convinced that this is the problem as I read that its only for v1.0 shields.
I cant get past this point.
I will go and buy an external SD reader to format the SD card on my wifes Mac tomorrow. Perhaps that will fix this issue.