Does anyone know how to change the adress of Melexis MLX90614 infrared sensor?

Projects General Guidance
1

Hey guys. I'm new into Arduino, really new, actually and I don't pretty much know about I2C, I know about SDA and SCL and of course, I know about the adresses of each device, nevertheless I'm in trouble.

I'm trying to develop a termometer and I came up with the idea that I could use two sensors instead of one to get a more accurate result, however, I really don't know how I can change the adress of one of the sensors (I'm talking about using two MLX90614 sensors, the same), because I know if I don't, I won't be able to communicate with one of them, so I need to change one of the adresses.

The default adress of each MLX90614 sensor is 0x5A. I have been researching and I have found really complicated results when it comes to changing a sensor adress and I'm not that good in Arduino.

Can somebody help me, please? Thanks in advance.

2

Read the spec sheet:

Write a different Slave Address in this EEPROM location and you will be able to use this module with the new slave address. It's not standard I2C.
Page 11:
SMBus address 00Eh Yes

Write to the device with command B00100000+0x0E and data is new address.

3

And with a pen/masking tape or label machine carefully tag the sensor with new address. I only glanced at the data sheet. I don't fully understand whether arduino has to send 2 bytes for each write, which only needs 1 byte, and with some error checking code, or not. Also with EEPROM write, it needs to write zero first to erase and then your value. Google some arduino examples changing address. You definitely don't need any additional hardware.