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(1) Description
For the starter and enthusiast, this is a fundamental program---LED
Blink.
LED, the abbreviation of light emitting diodes, consist of Ga, As, P,
N chemical compound and so on. The LED can flash diverse color
by altering the delay time in the test code. When in control, power
on GND and VCC, the LED will be on if S end is high level;
nevertheless, it will go off.
(2) Specification
Control interface: digital port
Working voltage: DC 3.3-5V
Pin spacing: 2.54mm
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