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2 Channel PWM Pulse Adjustable Frequency Square Wave Digital Display Signal Generator Module Stepper Motor Controller

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Product Introduction:
1.Operating Voltage:5-30V;support micro USB 5.0V power supply 
2.Frequency Range:1Hz-150KHz
3.Frequency Precision:2%
4.Signal Load Capacity:8-30mA 
5.Output Range:5V
6.Ambient Temperature;-30~70 Celsius
1.Two independent PWM generators can set the frequency,duty cycle
2.The wide frequency range,high accuracy
3.Support serial communication.
1.As square wave signal generator which generates a square wave signal
2.To provide a signal to the stepping motor driver
3.Adjustable pulse generation for chip use
4.Produce variable pulse signal,the control-related circuit (PWM dimming,speed)
Module Description:
Frequency is divided into three ranges:
1.XXX (no decimal point):the smallest unit is 1Hz,the range 1Hz-999Hz
2.XX.X (decimal point in ten):The minimum unit is 0.1Khz; the range of 0.1KHz-99.9KHz
3.X.X.X.(there are three decimal point): the smallest unit is 1Khz; the range 1KHz-150KHz
Frequency Display Example:
1."100" indicates that the PWM output pulse of 100Hz
2."54.1" indicates that the PWM output pulse of 54.1KHz
3."1.2.4." Indicates that the PWM pulse output 124KHz
4.Duty Cycle in the range:0 to 100
5.Three frequencies duty cycle is the same,all the parameters non-volatile
Serial Port Control:
1.Baud rate:9600 bps
2.Data bits:8
3.Stop bits:1
4.Parity bit:none
5.Flow control:none
6.Set The PWM Frequency
  1)"S1FXXXT":setting PWM1 frequency of XXX HZ (001 ~ 999)
  2)"S1FXX.XT":set the frequency of PWM1 XX.X KHZ (00.1 ~ 99.9)
  3)"S1F:X.X.X.T":setting PWM1 frequency of XXX KHZ (0.0.1 ~ 1.5.0..)
  7)'D':Duty Cycle
  8)'T'is the end flag
7.Set The PWM Duty Cycle
  1)"S1DXXXT":setting PWM1 duty cycle XXX;(001-100)
  2)"S2DXXXT":set PWM2 duty cycle XXX;(001-100)
  3)Setting Successful Return:DOWN
  4)Setting Failback:FALL
Connection Picture:

Tested by ICStation's Outstanding Partner Workshop MasterOK electronics Repair:



Rating: [5] 5 of 5 Stars! Date Added: 2017-06-09 20:49:36
It works as it should! It's a wonderful signal generator module.

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2 Channel PWM Pulse Adjustable Frequency Square Wave Digital Display Signal Generator Module Stepper Motor Controller