8 -segment LED port test light indicator light flow water port test lamp red, green and blue three -color optional

Different needle, not welding, not delivered, you need to buy it by yourself

The LED public end COMM mouth is connected to VCC by default. Each LED port is low -electricity and flat, and high electricity is eliminated.

Gongyang level.

VCC can generally connect 3.3V-5V. If you need to use a larger voltage, you can calculate it according to the actual resistance.

Product Attributes
Brand	Other/Other
Output Voltage	0.1

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