INTRODUCTION DFRobot's Gravity Genuino (Arduino) 101 Starter Kit is an ..
INTRODUCTION With the blooming development of IoT (Internet of Things), more and more people ar..
The IR LED (or infrared light-emitting diode) Bit sends out light with longer wavelengths than visib..
These 10 segment bar graph LEDs have many uses. With a compact footprint, simple hookup, they are ea..
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