Automation and Control

Product Price
Beefcake Relay Control Kit  Beefcake Relay Control Kit Your 5 volt system can wield great power with this big beefy relay board. How does 20 amps at 220VAC sound? The Beefcake Relay... $12.25
Pololu Basic SPDT Relay Carrier with 5VDC Relay (Partial Kit) The Pololu basic relay carrier modules allow simple control of a single-pole, double-throw (SPDT) switch from low-voltage, low-... $6.95
PowerSwitch Tail 240 Kit Switch relays from your microcontroller easily with the PowerSwitch Tail 240 Kit! Features Kit, assembly and soldering required... $44.95
Super4 RS485 Relay Module Super4 RS485 Relay Module The SUPER4 RS485 Module is a relay control board containing 4 mechanical SPDT (Single Pole Double Throw) power relays. The module... $59.95
ZeroCross Tail 240 Kit A power cord that detects the zero voltage cross points for phase control (light dimming) applications. Features Use with the... $44.95