2xDS18b20 GPIO Raspberry PI whith similar numbers

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Posts: 6
Joined: Sunday 04 November 2018 23:27
Target OS: Raspberry Pi
Domoticz version:

2xDS18b20 GPIO Raspberry PI whith similar numbers

Post by Ljasteran » Tuesday 13 November 2018 5:55

Version: 4.10198
Platform: Raspbian
Hardware: 2xDS18B20

I conected 2xDS18b20 to 4GPIO Raspberry PI.
pi@raspberrypi:~ $ ls /sys/bus/w1/devices/
28-119995116461 28-3b7882116461 w1_bus_master1
hrdwr.png (50.44 KiB) Viewed 63 times
dev.png (38.06 KiB) Viewed 63 times
It is only one DS18b20.
pi@raspberrypi:~ $ cat /sys/bus/w1/devices/28-*/w1_slave
5d 01 ff ff 7f ff ff ff 97 : crc=97 YES
5d 01 ff ff 7f ff ff ff 97 t=21812
5c 01 ff ff 7f ff ff ff d4 : crc=d4 YES
5c 01 ff ff 7f ff ff ff d4 t=21750
@pmmisiek said:
I'm not sure but it looks like domoticz uses 2 last digit of serial number as device ID.
You have 28-119995116461 and 28-3b7882116461 so domoticz shows it as one device.
I tried another ds18b20. and it is fine.

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