The keyestudio relay shield has integrated a 4-channel 5V relay module, which is fully compatible with the UNO R3 control board. The 4-channel relay on the shield is active at the HIGH level. Separately connect the 4-channel relay to the digital port 4, 5, 6, 7 on the UNO R3 board, then through controlling output HIGH or LOW to control the relay on and off.

Features

• The relay shield is 5V active HIGH
• Contact capacity: AC120V / 3A ; DC24V/3A
• Onboard LED indicator for relay output status
• Indicator: 4 LEDs are red when the relay is driven high, the corresponding indicator will light up.
• The standard interface can be directly connected with microcontrollers.
• Fully compatible with UNO R3 board
• Be able to control various appliances and other equipment with a large current.
• 3 M3 screw positioning holes for easy installation
• Power Interface: 5V DC power interface
• Channel: 4 channel
• PCB Color: Black

Details

• Size: 69mm*54mm*26mm
• Weight: 39.4g