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


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