Optical Rain Sensor
Measuring rain with a laser? It is possible. Follow this Instructable to make your very own Opical Rain Sensor. Material List Particle Photon Breadboard Wires Resistor Light sensor Laser diode 1 Large piece of wood 2 Small pieces of wood Large Perspex block with corners cut off 45° Double-sided t...By: ReRon
Continue Reading »
from Instructables: exploring - featured http://ift.tt/2BpyoM0
via IFTTT