Because you have connected the DS18B20 sensor. Yes. Is your ultrasonic sensor an LDDS75 ultrasonic sensor? If yes, LSN50v2 needs to burn the firmware version of LDD75.
Because you didn't connect the DS18B20 sensor. yes. Is your ultrasonic sensor ldds75 ultrasonic sensor? If yes, lsn50v2 needs to burn the firmware version of ldd75.
Because you didn't connect the DS18B20 sensor. Yes Is your ultrasonic sensor LDDS75 ultrasonic sensor? If yes, LSN50v2 needs to burn the firmware version of LDD75.