12V DC Power Connector 500ma 5VDC Switcher Power ...

I/O Connectors

GND GP7 GP6

GND GP5 GP4

Relay Status LEDs

Arduino Micro Port

GND +5V 400ma

DPDT Relay Port

I²C Output to Next Device

SDA SCL

12V DC Power Connector

2.1mm Power Jack 12V DC (Center Positive)

Address Jumper

500ma 5VDC Switcher Power Supply

CONNECTOR PINOUTS FOR 3A/5A DPDT RELAY

Power LED

UR Relay Rating: 5A@125VAC 5A@28VDC

Relay Warranty Rating: Switch 1

Switch 2

5A@240VAC 5A@24VDC