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A challenge was changing the sensor's address from 1 to 2. To do this, we had to manually modify the hardware by soldering. Many sensors come with configurable addresses to allow multiple devices to operate on the same communication bus. In our case, the default address was set to 1, but to avoid conflict or to read from multiple sensors, we needed to change it. This involved soldering a specific address pin or bridge on the sensor’s PCB. By adding a small amount of solder to the designated pads, we successfully changed the device's address to 2, allowing it to be correctly recognized and read by the microcontroller. This process required precision and care to avoid damaging nearby components.