circuit test video link :  https://youtu.be/7xN7Cr3xJxI

circuit explain for 5 year old :  https://vimeo.com/235579493

I use pressure sensor and set up 3 LED light in the circuit.

mesure range is 0~800.

if pressure is between 0~300 green LED is turn on

if pressure is between 300~500 red LED is turn on

if pressure is between 500~800 blue LED is turn on

-Jaeky Cheong