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so that only one wire (and ground) needs to be connected from a central microprocessor
I2C communication to all 3 sensors
Ultraviolet (UV) Sensor (VEML6070 ) is an advanced ultraviolet (UV) light sensor with I2C protocol interface
Introduction :
Keyboard illumination control
Motion sensor module PIR (Adjustable Range) Battery holder so that only one wireIntroduction : 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
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