Hello,
I installed new Shelly 1PM Plus with Shelly ADD-ON Plus. Connected 3x temperature sensors DS18B20, but have problem, that 3rd sensor can't be found and add.
If I connect one or two sensors, then it work, but when I want add 3rd, then 3rd is not found. I tested all 3 sensors one by one and all 3 works normally. I tested also connect any combination 2 from 3 sensors and each couple also works. Each sensor is connected separately to top connector line - se attached wiring image.
Firmware is latest available, all work normally, but only problem is with visibility of 3rd temperature sensor.
Do you have any advice or tip how to solve this problem?