ماژول  PWM ژنراتور دو کاناله به همراه نمایشگر معرفی  توسط این ماژول می توان به طور همزمان 2 کانال PWM داشت همچنین این ماژول قابلییت اتصال به درگاه سریال را دارا بوده و توسط میکروکنترلر یا کامپیوتر می توان مقدار Duty Cycle و فرکانس و غیره را ست کرد  مشخصات  ولتاز کاری 5 الی 30 ولت پشتیبانی از ولتاژ 5 ولت میکرو USB رنج فرکانس تولیدی 1 هرتز الی 150 کیلو هرتز دقت فرکانس تولیدی2 درصد قابلیت اتصال به بارهای 8 الی 39 میلی آمپر ابعاد43x29mm Introduction  Frequency is divided into three ranges XXX no decimal pointthe smallest unit is 1Hzthe range 1Hz999Hz XXX decimal point in ten The minimum unit is 01Khz the range of 01KHz999KHz XXXthere are three decimal point the smallest unit is 1Khz the range 1KHz150KHz 100 indicates that the PWM output pulse of 100Hz 541 indicates that the PWM output pulse of 541KHz 124 Indicates that the PWM pulse output 124KHz Duty Cycle in the range0 to 100 Three frequencies duty cycle is the same all the parameters nonvolatile  Specification  1 Two independent PWM outputs which can set the frequency and duty cycle respectively 2 Wide frequency range and high precision 3 Serial communication First the module description Two independent PWM outputs which can set the frequency and duty cycle respectively It is divided into three frequency ranges  1  XXX  no decimal point   The minimum unit is 1Hz  and the value range is 1Hz999Hz  2  XXX  decimal point is ten   The minimum unit is 01Khz  the range is 01 K H z999K H z 3  XXX  three digits have a decimal point   the minimum unit is 1Khz  the value range is 1K H z150K H z Eg frequency display 100 means PWM output 100Hz pulse 541 represents the PWM output 541K H Z pulse 124 Represents a PWM output 124K H Z pulse The duty ratio ranges from 0 to 100  The three frequency ranges share a duty cycle and all setting parameters are saved after power down  1 Working voltage 530V supports micro USB 50V power supply 2 Frequency range 1Hz150KHz  3 Frequency accuracy the accuracy in each range is about 2  4 Signal load capacity the output current can be around 830ma  5 Output amplitude default 5V Vpp can be changed by external power supply 6 Ambient temperature 3070 C  Instruction  The module has three buttons Set  Up  Down  1 By briefly pressing the  Set  key  the display of four parameter values FR1  PWM1 frequency  d U1  PWM1 duty cycle  FR2  PWM2 frequency  dU2  PWM2 duty cycle   there will be a corresponding switch The parameter name flashes prompt 2 Press  Up  and  Down  directly to modify the current parameter value  long press can be added quickly or quickly 3 The two PWMs are preconfigured with three kinds of frequency values In the frequency display interface the longpressing  SET  key is used to switch and the duty ratios of the three frequencies are the same   XXX range 1Hz  999Hz  XXX  the range of 01 Khz  999Khz  XXX  range 1Khz  150 Khz     Five  serial port control Communication standard  9600 bps Data bits  8 Stop position  1 Check digit  none Flow control  none  1  set the frequency of the PWM  S1FXXXT   Set the frequency of PWM1 to XXX HZ  00 1999  S1FXXXT   Set the frequency of PWM1 to XXX KHZ  00 199  9  S1F XXXT   Set the frequency of PWM1 to XXX KHZ  00 1  1  5  0    S 1   PWM1  S 2   PWM2  F    frequency  D   duty cycle  T   is the end flag 2  set the duty cycle of the PWM  S1DXXXT   Set the duty ratio of PWM1 to XXX   00 1100  S2DXXXT   Set the duty ratio of PWM2 to XXX   00 1100 Set the success to return DOWN  Setting failed to return FALL