Motion sensor module PIR (Adjustable Range) Battery holder Keyboard illumination control

Keyboard illumination control

Color matching

all the segment outputs are HIGH independent of all other input conditions

Dish washers

so that only one wire (and ground) needs to be connected from a central microprocessor

Motion sensor module PIR (Adjustable Range) Battery holder Keyboard illumination controlIntroduction : Sensors allow you to sense motion, almost always used to detect whether a human has moved in or out of thesensors range. They are small, inexpensive, low power, easy to use and don't wear out. For that reason they arecommonly found in appliances and gadgets used in homes or businesses. They are often referred to as PIR, "PassiveInfrared", "Pyroelectric", or "IR motion" sensors. Everything emits some low level radiation, and the hotter