This basic relay carrier board makes it easy to incorporate a single-pole, double-throw (SPDT) “sugar cube”-style power relay into your electronics project. An integrated MOSFET allows the relay to be controlled with a low-current digital input, and a pair of indicator LEDs show when the relay is activated. The three control pins are accessible via a top-entry JST SH-style connector that works with our selection of 3-pin JST SH-style cables, and the switch pins are available for use with 5mm-pitch terminal blocks or 0.2″-spaced pins. Note: Relay not included.