Thanks Mick, great summary. Let me add to 4), that you only see the 0.7 sec delay, because you read in a busy loop. I read only every 30 seconds and I never see a delay.
But timing your reads is a good practice because this way you catch retries and maybe bus or sensor problems. Additionally you can have a look in /statistics for retries and errors On 08.08.20 01:04, Mick Sulley wrote: > Update on test findings. Test setup was 19 - DS18B20 temperature, 2 - > DS2413 IO and 1 - DS2437 Voltage, Raspberry Pi4 with Sheepwalk RPi3 > Adapter > > 1) /simultaneous/temperature does work, best to read latesttemp. > > 2) /settings/timeout/presence cannot be set or read via the owhttpd > web page, you must use owwrite & owread > > 3) Reading values (after setting simultaneous) normally takes < 0.1 > seconds > > 4) After the /settings/timeout/presence interval the next read for > every device will take around 0.7 seconds. Note if you read multiple > fields it is only the first one which takes the increased time. > > 5) The increased time after /settings/timeout/presence interval > applies to all devices, not just temperature > > > Mick
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