PWM GENERATOR W/DISPLAY 1HZ-150KHZ 3.3-30V

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PID# 16792

15,00 CA$
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Description

Description:

PWM output, you can set the frequency, duty cycle;

Frequency is divided into four ranges, automatic switching:

  1. XXX (no decimal point): the smallest unit is 1Hz, the value range of 1Hz ~ 999Hz;

  2. X.XX (decimal point in the hundred) the smallest unit is 0.01Khz, the range of 1.00Khz ~ 9.99Khz;

  3. XX.X (decimal point in ten): the smallest unit is 0.1Khz; value range of 10.0KHz ~ 99.9KHz

  4. X.X.X (decimal point in ten and hundred): the smallest unit is 1Khz; value range 1KHz ~ 150KHz

  5. 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;

  6. Duty cycle range: 0 ~ 100%;

  7. All set parameters, power-down automatically saved.

Feature:

  1. LCD display frequency and duty cycle, very clear, PWM output can be set to the frequency and duty cycle;

  2. Wide frequency range, high precision;

  3. Serial communication, TTL level

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.

Parameters:

  • 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 ℃.

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 the relevant circuit (PWM dimming speed and other applications).
  5. serial control (single-chip TTL level communication)

Communication Standard:

  • 9600 bps Data bits: 8
  • Stop bit: 1
  • Check digit: none
  • Flow control: none

1. set the frequency of the PWM

  • "F101": Set the frequency to 101 HZ (001 to 999)
  • "F1.05": set the frequency of 1.05 KHZ (1.00 ~ 9.99)
  • "F10.5": Set the frequency to 10.5KHZ (10.0 ~ 99.9)
  • "F1.0.5": set the frequency of 105KHZ (1.0.0 ~ 1.5.0)

2. set the PWM duty cycle

  • "DXXX": set the PWM duty cycle to XXX; (001 ~ 100)
  • Such as D050, set the PWM duty cycle is 50%

3. read the set parameters

  • Send a "read" string to read the set parameters.
  • Set successfully return: DOWN;
  • Setup failed to return: FALL.

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