Need to drive high current or high voltage devices with your Arduino, Raspberry Pi, or other 3.3V / 5V logic compatible circuit, microcontroller, or single board computer? This premium 4 channel 10A relay breakout board can handle it! Each relay has the Input, Normally Open, and Normally Closed contact broken out to a nice 5mm pitch screw terminal. The board uses high quality North American sourced parts and logic that is a lot more friendly to common microcontrollers and single board computers. Simply connect 5V power, Ground, and your digital I/O to the 6 pin header and that’s it – no need for any additional components!