Hi,i serviced my car blower myself recently and found out the speed controller is out of fashion.The speed of the blower motor is controlled by some filaments.So this filament get hot and the air blowed by the blower also hot.I know the manufacturer of the car use filaments because they want to control the speed via different current and not with different voltage because the voltage of the motor fixed to 12VDC.The problem is if using filament,the air is hot and filament consume more battery power.Now i want to change the speed controller using nowadays technology.
I had searched over the net and most of them suggesting PWM which uses microcontroller and thats hard for me because i dont have any programmer.
I just want a simple and easier circuit if can.
I had searched over the net and most of them suggesting PWM which uses microcontroller and thats hard for me because i dont have any programmer.
I just want a simple and easier circuit if can.