... or PWM signal, Max. power 30W. Mains features of External Rotor Brushless DC Motor controllor Using Brushless DC Motor ... improved efficiency, longger motor life and competitive priceTechnical features of External Rotor Brushless DC Motor controllor: EBLD53D-driver for ... No noise, hall-free, power,etc. power,etc.Applications of External Rotor Brushless DC Motor controllor:External rotor brushless dc ...