Oh... what do you mean 17 and 18? if i change the analog ins 4-5 to digital output?... ill try this solution and tomorrow i send a post.
Very thanks for the support Best regards from Chile JOsé 2009/11/1 Martin Peach <[email protected]> > It should work with the [comport] object. > You need on the Arduino to set analog 4 and 5 as digital outputs (I think > they are digital 17 & 18). Set the pin connected to the accelerometer > module's 5V pin HIGH and the Gnd pin LOW. That will provide enough current > for the accelerometer to work. Then you need to do analogRead() on the three > accel pins and split each value into two bytes. Then send all six bytes via > Serial.print(val, BYTE) commands. > In a Pd patch you need to reassemble each packet of six bytes into three > floats. > Obviously the baud rate must be the same at both ends but it can be very > fast, like 115200. > It might help to have the Arduino send samples only when requested by the > Pd patch, that way you can be sure of getting the six bytes into the correct > frame, otherwise it's not certain which is the first (unless you add a > header byte that is always the same). > > I find it easier to do this without using the firmata or pduino stuff, > because it's an unusual implementation. If you want to use pduino, it's > better to connect your module power pins to the Arduino power pins and just > read analog 0 1 2. > > Martin > > > > Jose Luis Santorcuato wrote: > >> Thanks, that is the regular connection, but not working... maybe the >> capacitor... in the past i worked with ir, potentiometer, bottoms, all the >> sensors, but the acellerometer dont work in pd...very strange... >> When y program in Arduino all works fine.... how can i connect the serial >> to Pd?... with the same firmatas objetc? >> >> Thanks a lot, but the sensor not working in the habitual order. >> >> Somebody? >> >> Thanks a lot people >> >> Best regards >> >> Chile >> >> JOsé >> 2009/11/1 slimboyfatboyslim <[email protected]<mailto: >> [email protected]>> >> >> >> hi, >> >> Is there any specific reasons why you connect both GND and VCC to >> AIN of Arduino? >> >> The typical connection should be >> AXL (GND) -> Arduino (GND) >> AXL (VCC) -> Arduino (3V3) (check the datasheet if VCC = 1.8V-3.8V) >> AXL (X) -> Arduino (A0) >> AXL (Y) -> Arduino (A1) >> AXL (Z) -> Arduino (A2) >> >> enable analog in in firmata, then should give you some readings, >> >> use a small capacitor across XYZ and arduino to avoid noise >> >> On Nov 1, 2009, at 12:26 AM, Jose Luis Santorcuato wrote: >> >> >>> Dear friends, I'm working on connecting to the pduino arduino with >>> a three-axis accelerometer (sparkfun), when I program from the >>> arduino ide I connect the three axis, gnd and voltage directly to >>> the five analogs ins and from the console terminal reads well, >>> what would be the possibility of connection to incorporate the >>> sensor into pduino?. >>> >>> The connection I make in the arduino ide bd begins with 9600, but >>> the firmata works to 57,600 bd. >>> >>> How do the circuit?, or does it need to be rewritten from the >>> firmata?. >>> >>> I send the picture of Igoe conecction and works fine (in arduino ide). >>> >>> >>> Best regards >>> >>> >>> José Chile >>> >>> >>> >>> -- http://www.chilemigra.cl >>> http://arselectronicachile.blogspot.com >>> http://www.myspace.com/santorcuato >>> >>> >>> <ArduinoADXL322.jpg>_______________________________________________ >>> [email protected] <mailto:[email protected]> mailing list >>> >>> UNSUBSCRIBE and account-management -> >>> http://lists.puredata.info/listinfo/pd-list >>> >> >> >> >> >> -- >> http://www.chilemigra.cl >> http://arselectronicachile.blogspot.com >> http://www.myspace.com/santorcuato >> >> >> >> ------------------------------------------------------------------------ >> >> >> _______________________________________________ >> [email protected] mailing list >> UNSUBSCRIBE and account-management -> >> http://lists.puredata.info/listinfo/pd-list >> > > -- http://www.chilemigra.cl http://arselectronicachile.blogspot.com http://www.myspace.com/santorcuato
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