A mosfets board to handle high amps

This board handles all parts that needs high current like heaters and fans , and it is controlled by the main controller using pulse width modulation signals to make any connected heater or fan works with the desired power

the board has 3 screw connectors for heaters that gives 12v for each heater and 4 screw connectors for fans that can give 5v or 12v (selected by jumpes) for each fan