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THEMA: Two GY-801 modules, HMC5883L chip not working

Two GY-801 modules, HMC5883L chip not working 2 Wochen 6 Tage her #18132

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I have problem with last shipments both GY-801 modules. I ordered the full starter kit and an extra GY-801 module. Both new GY-801 modules have problem with the HMC5883L chip. When I put them in to my ardumower the console says "IMU comm error" and when I scan the bus these devices are found:

Scanning for I2C devices...
I2C device found at address 0x50 (probably AT24C32)
I2C device found at address 0x53 (probably ADXL345B)
I2C device found at address 0x68 (probably DS1307)
I2C device found at address 0x69 (probably MPU6050/9150 or L3G4200D)
I2C device found at address 0x77 (probably BMP180)
done

I have also ordered another starter kit a few months back. Me and my parents have huge yards which Im taking care of with the ardumowers. The GY-801 module that came with the first starter kit is working just ok and when I scan the bus with the old working GY-801 I get:

Scanning for I2C devices...
I2C device found at address 0x1E (probably HMC5883L)
I2C device found at address 0x50 (probably AT24C32)
I2C device found at address 0x53 (probably ADXL345B)
I2C device found at address 0x68 (probably DS1307)
I2C device found at address 0x69 (probably MPU6050/9150 or L3G4200D)
done

When Im visually comparing the old GY-801 and the 2 new GY-801's, it seems the HMC5883L chip has totally different markings:
The new chips have markings: 5883 702p
The old chip has marking: a983 2432

The GY-801 Chip in your ardumower store's pictures seems to have the old (right) marking: a983 2432 .

I have the ardumower already working, so Im pretty confident its the new GY-801 chips that are not working as they should. What should we do?

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