[1-wire DS18b20] How to restart the 1. wire BUS after DEVICE DISCONNNECTED

Hi *,

after 5 days without any problems ,... it is back: DEVICE_DISCONNECTED.
I really don't get it!

My last experiment:

  • I will now replace all sensors (have 50x DS18b20 backup)
  • I will replace my Arduino Mega
    (- Activate watch dog timer for device reset // this should not be necessary)

If it fails, I will bring thermal death to all DS18b20 and go back to a PT1000 in bridge with amplifier solution.

br,
meis