Starter Guide

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Symbol
Pin
Function description
VDD
Power
Power supply
DOUT Data output Control data signal
output
VSS Ground Signal grounding and
power grounding
DIN Data input Control data signal
input
LED characteristic parameter
Emitting
Color
Dominant
wavelength
（
nm
）
luminous
intensity
（
mcd
）
Working
current
（
mA
）
Working
voltage（V）
Red
620-630
550-700
20
1.8-2.2
Green
515-530
1100-1400
20
3.0-3.2
Blue
465-475
200-400
20
3.2-3.4
LED pin：
The LED circle we use in this experiment is as follow :