The plants are each equipped with a strip of addressable RGB LEDs and a flex sensor controlled by an Arduino Uno. Both are hot glued to the undersides of the leaves and hidden with green tape.

Finger Bend is a unique DIY Arduino powered textile flex sensor, created as part of the Swatch Exchange, enabling you to trigger actions by simply bending your finger. Created by the team at ...

At one end is an LED and at the other the LDR, and when attached to a glove it provides a finger sensor without the fuss.