Improve Simple Pwm Circuit Diagram

Pwm 555 circuit motor control power dc speed mosfet circuits timer astable igbt fan 90vdc volts circuito schematic diagram diagrama Pwm 555 motor circuit control power dc mosfet speed circuits timer astable fan igbt 90vdc volts battery circuito 12v diagrama Help for pwm circuit for 12 volts dc up to 1.3 a

Help for PWM circuit for 12 volts DC up to 1.3 A - Electrical

Help for PWM circuit for 12 volts DC up to 1.3 A - Electrical

design - Functional difference between various astable 555 circuits