3pcs 1Hz-150Khz 3.3V-30V Signal Generator PWM Pulse Frequency Duty Cycle Adjustable Module LCD Display Board

Parameter settings The module has four independent keys used to set the frequency and duty cycle support short press increase or decrease a unit and long press fast increase or decrease very simple set the parameters automatically save power failure Lost Module parameters 1 Working voltage 3 3 30V 2 Frequency range 1Hz 150KHz 3 Frequency accuracy the accuracy in each range is about 2 4 Signal load capacity the output current can be about 5 30ma 5 Output amplitude PWM amplitude equal to the supply voltage 6 Ambient temperature 20 70 ℃ Scope of application 1 Used as a square wave signal generator generate square wave signal for experimental development and use 2 Used to generate a square wave signal that controls the motor driver 3 generate adjustable pulse for MCU use 4 Generate adjustable pulse control related circuit PWM dimming speed and other applications Serial Port Control Communication standards 9600 bps data bits 8Stop bit 1Check digit noneFlow control none1 set frequency of PWMF101 set frequency to 101HZ 001 to 999 F1 05 set frequency to 1 05KHZ 1 00 to 9 99 F10 5 set frequency to 10 5KHZ 10 0 to 99 9 F1 0 5 set frequency to 105KHZ 1 0 0 to 1 5 0 2 set PWM duty cycleDXXX set PWM duty cycle to XXX 001 to 100 Such as D050 set PWM duty cycle is 50 3 read the set parametersSend a read string to read the set parameters Setup successfully return Down Setup failed to return FALL Package included 3 x 1Hz 150Khz 3