Never Forget It on - Energy Saver
I have got tired and frustrated forgeting my bathroom heater on, this device sense the lack of movement in the bathroom and turns the heater off after a preset time.Energy (and money) saved ! Parts Arduino nano (or other)PIR Sensor ModuleRelay Module2 220ohm Resistors1 PNP TransistorMain case (I ...By: udubinsky
Continue Reading »
from Instructables: exploring - featured http://ift.tt/2hMFK6E
via IFTTT