Flexible Silicone Neon-Like LED Strip - 1 Meter - Purple SF_5mm and you'll immediately see mass

and you'll immediately see mass readings

This pin is pulled low through an on-board 20 k&ohm

Gaze upon these features:

but its effective range and accuracy (noise) depend heavily on ambient conditions and target characteristics like reflectance and size

Flexible Silicone Neon-Like LED Strip - 1 Meter - Purple SF_5mm and you'll immediately see massHere at Adafruit we love discovering new and exotic glowing things. Like moths to the flame, we were intrigued by these fresh Flexible Silicone Neon Like LED Strips ! They look a lot like neon, but without the need for expensive transformers, glass tubing or inert gases. Super flexible and bendy, they feature a single color non addressable LED strip with a solid chunk of translucent silicone rubber as a diffuser. They look incredible, and super easy