4-Channel 1-Channel MOSFET Switch Module IRF540 Isolated Power Module for Arduino (4-Channel, Red)

Specification: MOSFET is an electronic devices with good switching characteristics. It is widely used in circuits, such as power supplies switching ,motor drives, lighting dimmer and so on. Relay is another kind of module with switching characteristics. Since relay works relying on mechanical contacts to open or shut. In this way it will inevitably lead to relay's stopping working while switching time is too short.And sound made by relay in some situations is annoying. So we designed this 4-channel MOSFET switch. It can supply up to four groups of electronic switches to control different circuit blocks respectively. Limited by the working priciples, MOSFET can only be used to control the DC circuit, such as DC-LED screen and so on, but not suitable for AC circuit control. In some extreme cases, it can be used to control 100V/33A DC circuit. However, it is suggested that the controlled DC voltage is more than 9V. In the circuit connection, the connection of the controlled end is slightly more complicated. Take the control of 12V LED light strips as an example, first connect the power supply between the positive (+) and negative (-) terminals; Then the positive pole of the LED strip is connected to the positive pole (+) of the module, and the cathode of the LED strip is connected to the switch 1 (S1); If there are other LED strips to be controlled, just connect the anode of the LED strip to the positive pole (+) of the module and the cathode of the LED strip to the switch 2 (S2), switch 3 (S3), and switch in turn. 4 (S4); The connection of the control end is much simpler. We only need to connect the corresponding control port to the Arduino's sensor expansion board through the sensor connection cable, so that these 12V LED strips can be controlled by the AArduino. We have two LED strips in the experiment. Package Included: 1pcs 4-Channel MOSFET Switch Module IRF540 Isolated Power Module