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   REPLYADDR news@druck.org.uk   
   REPLYTO 3:770/3.0 UUCP   
   MSGID:  01a13e26   
   REPLY:  9adb1ab4   
   PID: SoupGate-Win32 v1.05   
   On 22/09/2024 12:45, Chris Elvidge wrote:   
   > On 22/09/2024 at 11:53, John Aldridge wrote:   
   >> In article , news@druck.org.uk says...   
   >>>   
   >>> On 20/09/2024 11:17, John Aldridge wrote:   
   >>> [Reading ds18b20 sensors in parallel]   
   >>>> sudo su <>>> echo trigger > /sys/bus/w1/devices/w1_bus_master1/therm_bulk_read   
   >>>> EOF   
   >>>   
   >   
   > Have you tried   
   > 'echo trigger | sudo tee /sys/bus/w1/devices/w1_bus_master1/therm_bulk_read'   
   >   
      
   Yes, that works for bus 1, but not bus 2 on that Pi 4.   
      
   On a Pi Zero 2W with 2 w1 buses, bus 1 gives the Permission denied error   
   and bus 2 succeeds.   
      
   On a Pi 3B+ with 4 w1 buses, 1 and 2 succeed, 3 and 4 fail.   
      
   Very strange.   
      
   ---druck   
      
   --- SoupGate-Win32 v1.05   
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