Arduino A000110 Relay Shield for Development Boards

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Arduino Relay Shields - Arduino A000110, The Arduino 4 Relays shield is designed as a solution for driving those high power loads that cannot be driven by Arduino's digital iOS due to current and voltage limits. The shield features 4x relays, with each relay providing 2 pole changeover contacts (NO and NC). The 2 changeover contacts have been put in parallel in order to increase output current limits. The relays are controlled by the following Arduino board pins: Relay 1 Arduino pin 4 Relay 2 Arduino pin 7 Relay 3 Arduino pin 8 Relay 4 Arduino pin12 Arduino 4 Relay Shield A000110. Show more