Here is an app connected machine that makes you warm baby formula at the touch of a button. The Baby Brezza Formula Pro Advanced WiFi lets you set up 5 different bottles and choose form 3 temperature settings. Its iOS/Android app lets you know when your bottle is ready or you are running low on water or baby formula.
This baby formula maker has a LCD digital control panel. It can hold 50oz of water. You can find out more about it here.