Coolie1101

> Is this correct? Yes, also available as a sensor to be used in notifications.

Can you also add CPU Use to the custom card?  

FYI: Similar issues as @dwaterford75 with a 2" [ST7789V](https://smile.amazon.com/gp/product/B082GFTZQD/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1) 240x320 display. Red and Blue is swapped, and text is mirrored (reverse), but I am able to utilize the entire display....

> could be worth trying the edit Hey @poundy, thanks for following up, your recommendation seems simple enough, but what exactly do I change in those files?, just the resolution?...

So, I tried adding the edited files to "custom_components/st7789v/", but Esphome shows an error "Platform not found: 'display.st7789v' when configured, once I rename the "st7789v" directory to something else, the...

This is standard behavior, one work around is to apply the following which works exceptionally well, unfortunately, I currently don't have any alerts, so I am unable to show you...

> ```yaml > filters: > - lambda: return (133.42*x*x*x - 255.86*x*x + 857.39*x)*0.5; > ``` Doesn't the TDS reading require temperature compensation?

Amazing, are the readings comparable to a pen test?, when I use your formula my reading is more than 100ppm less, see below The first reading is the result of...

> What are you using for the temperature? Celsius it should be if it isn’t already that as that could cause a big difference in the two. O, Fahrenheit, I'll...

No, a sensor that shows the version currently installed, and if possible, an update is available.