My wife said that when inside the swimming pool we cannot see what time it is. With a lot of trials I succeded to use 2 Dot matrix with each 2 x 8 modules to display date, time and air and water temperature with following release Build :ESP_Easy_mega_20220809_display_ESP8266_4M1M Aug 9 2022 All is d...

You may also use the Generic HTTP Advanced Controller (TDer debugged it a few months ago) and a quad dummy device to send 4 sensor values at the same time to PRTG. Send your 4 devices values to a quad dummy device by the mean of rules example for an air temperature : you even may send your values to...