Right now, this is a big boat option, being developed by renowned offshore sailor Michel Desjoyeaux’s company Mer Agitée. You will need to trot out your high school French, or enlist Google Translate, but definitely check out the information and videos on their website for the Trim Control Electronic Telltales.
There’s a good article on Sailfeed as well. The telltales are sensors that transmit data about airflow on your sails to a smartphone, for any usage where visual observation of traditional telltales is difficult or impossible. A very cool development that may eventually find its way down into smaller boats where sailors with visual or mobility impairments are unable to see telltales on the sail