PWM Signal Generator XY-LPWM 1Hz-150Khz 3.3V-30V Pulse Frequency Duty Cycle LCD


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Buy PWM Signal Generator quality module device XY-LPWM 1Hz-150Khz 3.3V-30V Pulse Frequency Duty Cycle LCD display online in Pakistan at best price.


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PWM output, you can set the frequency, duty cycle;
Frequency is divided into four ranges, automatic switching:
XXX (no decimal point): the smallest unit is 1Hz, the value range of 1Hz ~ 999Hz;
X.XX (decimal point in the hundred) the smallest unit is 0.01Khz, the range of 1.00Khz ~ 9.99Khz;
XX.X (decimal point in ten): the smallest unit is 0.1Khz; value range of 10.0KHz ~ 99.9KHz
X.X.X (decimal point in ten and hundred): the smallest unit is 1Khz; value range 1KHz ~ 150KHz
e.g. frequency display:
100 indicates PWM output 100Hz pulse;
1.01 indicates PWM output 1.01K pulse;
54.1 indicates that the PWM output has a pulse of 54.1 kHz;
1.2.4 indicates that the PWM output is 124 kHz pulse;
Duty cycle range: 0 ~ 100%;
All set parameters, power-down automatically saved.


  • LCD display frequency and duty cycle, very clear, PWM output can be set to the frequency and duty cycle;
  • Wide frequency range, high precision;
  •  Serial communication, TTL level
  • Signal Generator PWM Pulse Frequency Duty Cycle Adjustable Module LCD Display PWM Board Module.
  • XY-LPWM.
  • 1Hz-150Khz.
  • 3.3V-30V.
  • Display Size:3.0 – 4.9 Inches.

How to use…https://www.youtube.com/watch?v=hVaogl6tw.

Parameter Settings:
The module has four independent keys, used to set the frequency and duty cycle, support touch (increase or decrease a unit) and long press (fast increase or decrease), set the parameters automatically save, power down Not lost.


  • Used as a square wave signal generator, generate square wave signal for experimental development and use;
  • Used to generate a square wave signal 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)
  • 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 equal to the supply voltage;
  • Ambient temperature: -20 ~ +70 ℃.

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