PWM control project software source code in Visual Basic and are prepared (linux, windows) via RS232 serial port (19200 Baud) AT89C2051 microcontroller based on the 4-channel PWM control circuit can be made. PWM output MOSFETs used in the IRFD9024... Electronics Projects, 4 Channel PWM Control Circuit Visual Basic RS232 AT89C2051 "avr project, microcontroller projects, pwm circuits, " Date 2019/08/03