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

2 Channel PWM Signal Genenrator Feature: Two independent PWM generators can control the frequency, duty cycle The wide frequency range, high accuracy Can serial communication First, the module description: Frequency is divided into three series: XXX (no comma): the smallest unit is 1Hz, the range 1Hz -999Hz XX. X (comma in ten): The minimum unit is 0.1 Khz; the range of 0.1 KHz -99.9 KHz X.X.X. (there are three commas): the smallest unit is 1 Khz; the range 1 KHz -150 KHz Frequency display example: "100" indicates that the PWM output pulse is 100Hz "54.1" indicates the PWM output pulse of 54.1 KHz "1.2.4." Indicates that the PWM pulse output is 124 KHz Duty Cycle in the range: 0 to 100 Three frequency duty cycle is the same, all parameters non-volatile. Parameter: Working voltage: 5--30V, support micro USB 5.0 V power supply Frequency range: 1Hz -150 KHz The frequency accuracy: ± 2% Output current: <30mA Output amplitude: Standard 5Vp-p (adjustable) Temperature: -30 -70 ° C Third, the parameter settings: Module has three buttons [Set], [Up], [Down] Press [Set] key to display four parameters (FR1: PWM1 frequency; dU1: PWM1 duty cycle; FR2: frequency of PWM2; dU2: PWM2 duty cycle), before the transfer parameters, there will be corresponding parameter name flash. Press [Up], [Down] keys to set the current parameter value (long press can quickly add or subtract fast). Two PWM each have three preset frequency, the frequency display interface, long press [SET] key to switch between three types of frequencies, three types of frequency duty cycle is the same value. (XXX: range 1Hz -999Hz; XX.x: range 0.1 Khz -99.9 Khz; X.X.X .: range 1 Khz -150 Khz,). Fourth, the scope: As a square wave signal generator that generates a square wave signal; To send a signal to the stepper motor driver; Adjustable pulse generation for chip use; Produce variable pulse signal, the control-related circuit (PWM dimming, speed). Fifth, the serial Baud rate: 9600 bps Data bits: 8 Stop bits: 1 Parity bit: none Flow control: none 1, set the PWM frequency "S1FXXXT": setting PWM1 frequency of XXX HZ (001 -999) "S1FXX. XT": the frequency of PWM1 XX. X KHZ (00.1 -99.9) "S1F: X.X.X.T": PWM1 frequency setting of XXX KHZ (0.0.1 -1.5.0 ..) "S1": PWM1 "S2": PWM2 "F": Frequency 'D': Duty Cycle "T" is the end flag Set the PWM duty cycle "S1DXXXT": setting PWM1 duty cycle XXX; (001 -100) "S2DXXXT": set PWM2 duty cycle XXX; (001 -100) Successful return setting: DOWN; Failback setting: FALL. 1 Channel Signal Generator PWM Pulse Frequency Duty Cycle Adjustable Module LCD Display 1Hz-150Khz 3.3V-30V PWM Board Module 3 Channel PWM Signal Generator Description: WM output, wide frequency range, duty cycle adjustable independently frequency is divided into four series, automatic switching 1. XXX (no comma): The minimum unit is 1Hz, the value range is 1Hz -999Hz 2. X. XX (the comma is in the hundred places) is 0.01 Khz, the value range is 1.00 Khz -9.99 Khz 3, XX. X (comma in ten): The minimum unit is 0.1 Khz: Value range 10.0 KHz -999 KHz 4. X.X.X (comma is in ten and hundred place): the minimum unit is 1 Khz: the value range is 1 KHz -150 KHz Frequency display: 100 gives PWM output 100Hz pulse 101 gives PWM output 1.01 K pulse 54.1 gives PWM output 54.1 KHz pulse 1.2.4 gives PWM output pulse of 124 KHz Duty cycle values ​​range from 0 to 100%, where 100% is expressed in A%. all setting parameters, save power off Feature: LCD display frequency and duty cycle, very clear, PWM output can be set to control frequency and duty cycle wide frequency range, high precision serial communication, TTL level Parameters: operating voltage: 3.3 -30 V. frequency range: 1Hz -150 KHz frequency accuracy: the accuracy in each range is about 2% signal charging power: the output current can be about 5 -30mA Output amplitude: PWM amplitude equal to the supply voltage ambient temperature: -20 -70 ℃. Application: used as a square wave generator, generate square wave signal for experimental development and use uses generate a square wave that controls the motor driver generate adjustable pulse for MCU use generate adjustable pulse, control the relevant circuit (PWM dimming speed and other applications) serial control (single-chip TTL level communication) Communication standard: 9600 bps Data bits: 8 Stop bit: 1 check digit: none Flow control: none Frequency of the PWM "F101": Set the frequency 101 HZ (001 -999) "F1.05": set the frequency of 1.05 KHZ (1.00 -9.99) "F10.5": Set the frequency to 10.5 KHZ (10.0 -99.9) "F1.0.5": set the frequency of 105 KHZ (1.0.0 -1.5.0) Set the PWM duty cycle "DXXX": set the PWM duty cycle to XXX; (001 -100) like D050, set the PWM duty cycle is 50% Read the set of parameters send a "read" string to read the set parameters. Set success return: DOWN; Setup failed return: FALL. 1 Channel 1Hz -150KHz PWM Pulse Frequency Duty Cycle Adjustable Signal Generator Description: PWM signal generator, square wave rectangular wave signal generator Used to generate a square wave rectangular wave signal, which is supplied to a DC motor or a stepper motor driver Combine the driver to realize dimming, speed regulation, control solenoid valve, etc. However, it is not possible to directly drive loads such as electric lights, motors, and solenoid valves. Feature: Two modes can be selected: PWM mode - frequency (continuous), duty cycle, pulse number adjustable; PULSE mode - positive pulse width time, negative pulse width time, delayed start time, and adjustable number of pulses. With start and stop button, can control the output and stop of the signal Wide voltage input 3.3 -30V, with anti-reverse protection, 5.08mm terminal wiring Parameter: Working voltage: 3.3 -30V, with anti-reverse protection Frequency range: 1Hz -150KHz, accuracy about 2% Duty cycle range: 0-100%, 1% stepping Number of pulses: 1-9999, or infinite (display ‘----’ stands for infinity) Delay output time: 0.000s-9999s, the minimum can be set 1ms Positive and negative pulse width length: 0.000s-9999s, the minimum can be set 1ms Signal loading capacity: less than 30mA Output signal amplitude: amplitude is equal to the supply voltage Size: 60mm*32mm*10mm window.adminAccountId=230078025;