Let's Make Robots!
Price: $1.99 USD
This PCB mount mechanical relay fits on the Digital I/O Board and allows isolated control of AC or DC voltage at up to 12A @ 250VAC (see datasheet for details). Read more
Price: $19.99 USD
PicoSwitch is a relay switch that you toggle via hobby radio control gear. Read more
Price: $3.5 USD
This DPDT 5V relay is used for a good many robot projects, usually for motor power routing. Read more
Price: $13.95 USD
The Crydom D2W203F Solid State Relay handled AC and DC loads equally well, from 3-32VDC or up to 240AC, to a maximum of 3A. Read more