2.1mm Power Jack 12V DC (Center Positive) 500ma 5VDC Switcher

I/O Connectors

GP7

GND

GP6

GP5

GP4

GP3

GP2 GND

GP1

Relay Status LED

SPDT Relay Port

Particle.io Photon Port

GND +5V 400ma

I²C Output to Next Device

SDA SCL

12V DC Power Connector

2.1mm Power Jack 12V DC (Center Positive)

Power LED

Address Jumper

500ma 5VDC Switcher Power Supply

CONNECTOR PINOUTS FOR 20A SPDT RELAY Relay Warranty Rating: 20A@250VAC 20A@30VDC Coil: 12VDC