Can't communicate with the magnetometer!

OTHER DROTEK PRODUCTS IMU / sensors
1

Hi !
I bought the the IMU sensor 10 DOF - MPU9250 + MS5611 (drotek.com/shop/fr/home/466- … s5611.html)
I connected it to an Arduino via I2C port and tried to scan it in order to read the addresses that comes from.

The problem is I only can read the Accel&Gyro addresses : “0x68” and “0x69” (using SDO) but I can’t read the Magnetometer Address “0x0C”, thus I can’t communicate with it !

What can I do to solve the problem ?

this is how I connected the sensor:
SDA <=> SDA
SCL <=> SCL
GND <=> 0 v
VDD <=> 3.3 v

2

Hello
Can you test this code please todbot.com/blog/2009/11/29/i2csc … s-scanner/

3

Hello, thanks for replying,
I tried this code and can’t get anything on the serial monitor…anyway, I already have an I2C Scanner code;

[code]#include “Wire.h”
#define LED_PIN 13
void setup()
{
Wire.begin();
Serial.begin(9600);
Serial.println("\nI2C Scanner");
pinMode(LED_PIN, OUTPUT);
}

void loop()
{
digitalWrite(LED_PIN, HIGH);
delay (50);
digitalWrite(LED_PIN, LOW);
delay (500);

byte error, address;
int nDevices;

Serial.println(“Scanning…”);
nDevices = 0;
for(address = 0; address < 128; address++ )
{
Wire.beginTransmission(address);
error = Wire.endTransmission();

if (error == 0)
{
  Serial.print("I2C device found at address 0x");
  if (address<16)
    Serial.print("0");
  Serial.print(address,HEX);
  Serial.println("  !");
  nDevices++;
}
else if (error==4)
{
  Serial.print("Unknow error at address 0x");
  if (address<16)
    Serial.print("0");
  Serial.println(address,HEX);
}

}
if (nDevices == 0)
Serial.println(“No I2C devices found\n”);
else
Serial.println(“done\n”);
delay(500);
}
[/code]

and I get this, on the serial monitor;

Scanning... I2C device found at address 0x69 ! done

But I can’t see neither the 0X0C magnetometer’s address, nor the 0X76 or 0X77 barometer’s address

4

Hello,

Ok can you create a ticket on drotek.freshdesk.com and explain this problem.
Then you will have to send us back the IMU.
Thanks in advance.