Arduino 4 Relays Shield [A000110] - Expansion Board with 4 Relays, Ideal for Controlling Electrical appliances, PLCs and IDE Automation Projects.

Product description

• The Arduino 4 Relays Shield is compatible with Arduino Uno, Uno SMD, Mega, Zero, Due and Leonardo cards.
• Each relay can be controlled independently and allows a change of polarity.
• Requires no external power supply, works with power from your card Arduino.
• Includes plastic separator to electrically isolate the microcontroller relays.
• Possibility to connect other sensors and actuators using the Molex connectors of the shield.