Hi there,
I am working with this sensor P1J rev E (sensata.com), and I am trying to use the i2c communication. I understand I need to have the register of the ID device and also the registers where the information is. However, I cannot see the register clearly (sorry, this is my first working with this protocol) , has someone used this sensor before? i will appreciate any recommendation and information from your side.
What is the sensor model code exactly?
For example - P1J-2-A X 16 P A
The model for this sensor is PIJ-5MB-AX-16PA. Have you worked with it before?
sorry, no
I only checked that your model can be used with i2c bus.
According to datasheet, your sensor should be available at i2c address 0x28
Yes, I have checked this. Thanks
Did you try to connect it to arduino?
Was the sensor founded by i2c scanner?
This is the code that I am playing. Not sure if they are correct or not.
#include<Wire.h>
#define i2caddress 0x28
void setup()
{
Wire.begin();
Serial.begin(9600);
}
void loop(){
Wire.requestFrom(i2caddress ,2); (this is basically the registers where the pressure is)
byte *LSB = Wire.read(); //first byte received here
byte *MSB = Wire.read(); //second byte received here
Serial.print("byte 1: ");Serial.println(*LSB,DEC);
Serial.print("byte 2 ");Serial.println(*MSB ,DEC);
delay(1000);
}
I suppose that will be better test the sensor with i2c scanner first.
The "i2c scanner" code is a one of the standard Arduino IDE examples.
Awesome!. I did not know about this tool. I will check. However, I should expect the same i2c address as it was mentioned in the datasheet.
Yes, but the result confirms that the sensor is connected properly and not damaged.
I just ran, and this is what I got
Scanning...
I2C device found at address 0x28 !
done
Scanning...
I2C device found at address 0x28 !
done
This confirms the sensor is okay, and the address is correct. Thanks for your help
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