PWM multiplier for 1Hz-150Khz requirements, multiplier board with LCD display, frequency and duty cycle adjustment, 3.3V-30V, 1Hz-150Khz

Product Information Module Highlights: LCD display of frequency and duty cycle, very clear, PWM output can be set to frequency and duty cycle; Wide frequency range, high precision; Serial communication, TTL level, output: Module Description PWM output, frequency, duty cycle can be set; Frequency is divided into four ranges, automatic switching: xxx (no decimal point): the smallest unit is 1Hz, the value range is 1Hz~999Hz
X.XX (decimal point in hundredths) The smallest unit is 0.01kHz, range of 1.00Khz~ 9.99Khz; XX.X (decimal point in ten): the smallest unit is 0.1Khz; value range of 10.0KHz~99.9KHzX.X.X (decimal point in ten and hundredths): the smallest unit is 1Khz; Value range 1KHz ~ 150KHzFrequency display100 indicates PWM output with a frequency of 100Hz;1.01 indicates PWM output of 1.01K pulse;54. 1 indicates that the PWM output has a pulse of 54.1kHz;1.2.4 indicates that the PWM output is a pulse of 124kHz;
Duty cycle range: 0~100%;All parameters are set, automatically saved after power offParameter settings, output:The module has four independent keys, which are used to set the frequency and duty cycle, support touch (increase or decrease a unit) and long press (rapid increase or decrease), the parameter setting is automatically saved, not lost when powering offModule parameters, output:Working voltage: 3.3~30V;Frequency range: 1Hz~150KHz;Frequency accuracy: The accuracy in each range is about 2%;
Signal load capacity: The output current can be about 5~30mA; Output amplitude: PWM amplitude is equal to the supply voltage; Ambient temperature: -20~+70℃ Scope of application Used as a square wave signal generator, generating square wave signals for experimental development and use; Used to generate a square wave signal that controls the motor driver. Generates an adjustable pulse for use in MCU; Generates an adjustable pulse, controlling the relevant circuit (PWM dimming speed and other applications)
Serial control (single-chip TTL level communication) Communication standard 9600 bits per second Data bits: 8 Stop bit: 1 Check digit: None Flow control: None Set the frequency of the PWMMF101: Set the frequency to 101Hz (from 001 to 999)F1.05: Set the frequency to 1.05KHZ (1.00~9.99)F10.5″: Set the frequency to 10.5KHZ (10.0~99.9)F1.0.5″: Set the frequency to 105KHZ (1.0.0~1.5.0)Set the PWM duty cycle DXXX”: Set the PWM duty cycle to XXX; (001~100)Such as D050, set the PWM duty cycle to 50%
Read the set parametersSend the string “read” to read the set parameters. Successful setting will return: DOWN; Failed setting will return: FALL