8 Channel Relay Module RLY08 Serial or I2C control. Price: $93.50 (Incl. GST)

Specifications

Number of Relay's - 8
Power - 5v @ 100mA max.
Control interface - Serial or I2C.
Relay current - Up to 1Amp @30vdc or 60vac. 500mA@110vac. 250mA@250vac
Connections - Screw Terminals for N/O N/C and Common contacts.
Expansion - Up to 8 modules on Serial or I2C bus.

8 Channel Relay Module USBRLY08 USB Interface. Price: $120.00 (Incl. GST)

Specifications

Number of Relay's - 8
Power - Powered from standard USB bus.
Control interface - USB.
Relay current - Up to 1Amp @30vdc or 60vac. 500mA@110vac. 250mA@250vac
Connections - Screw Terminals for N/O N/C and Common contacts.