From my visit to California in October 2019, I visited Josh Rosen of Airplant Man. Check out his amazing creations: https://www.airplantman.com/
Airplant Man on Instagram: https://www.instagram.com/airplantman/
The LTH Meter: the first meter that measures light, temperature, and humidity
https://www.houseplantjournal.com/product/lth-meter/