4 Channel Relay Shield for Arduino UNO

4 Channel Relay Shield for Arduino UNO — DFRobot — DFR0144

Four-channel relay shield for Arduino UNO with optocoupler isolation for switching high-power loads. Includes an XBee interface header for wireless control.

Add-ons

269 other options

About 270 add-ons across Pi HATs, Arduino shields, and FeatherWings. The same function — motor control, PoE, display — usually ships once per host connector family. Get the host board right first.

View all 269

Related groups

4 groups