DFRobot Mega 2560 - Arduino Mega 2560 R3 Compatible Board led current meter Match the coil voltage and

Match the coil voltage and use a proper driver or relay for switching

allowing you to monitor varying sound levels

Voltage: +5V

5V support: Easy match for many controller boards

In the 6V power supply

DFRobot Mega 2560 - Arduino Mega 2560 R3 Compatible Board led current meter Match the coil voltage andBuild Faster with the DFRobot Mega 2560 Arduino Compatible DFRobot Mega 2560 Arduino Compatible DFRobot Mega 2560 is built for projects that need lots of pins, more memory, and room to grow. It works well for robotics, control systems, display projects, and sensor heavy builds. The board keeps the Arduino Mega style layout while adding practical touches like color coded headers and updated USB support. Important: Use the official DFRobot links below