Product Description
Signal Generator Module Adjustable PWM Pulse Frequency Duty Cycle Square Wave
Highlights:
Two independent PWM generators can set the frequency, duty cycle;
The wide frequency range, high accuracy;
Can serial communication.

First, the module description:
Frequency is divided into three ranges:
XXX (no decimal point): the smallest unit is 1Hz, the range 1Hz ~ 999Hz;
XX.X (decimal point in ten): The minimum unit is 0.1Khz; the range of 0.1KHz ~ 99.9KHz
X.X.X. (there are three decimal point): the smallest unit is 1Khz; the range 1KHz ~ 150KHz
Frequency display example:
"100" indicates that the PWM output pulse of 100Hz;
"54.1" indicates that the PWM output pulse of 54.1KHz;
"1.2.4." Indicates that the PWM pulse output 124KHz
Duty Cycle in the range: 0 to 100;
Three frequencies duty cycle is the same, all the parameters non-volatile.

Second, the module parameters:
Working voltage: 5--30V, support micro USB 5.0V power supply;
Frequency range: 1Hz ~ 150KHz;
The frequency accuracy: ± 2%;
Output Current: <30mA;
Output amplitude: Default 5Vp-p (settable);
Operating temperature range: -30 ~ + 70 ℃.

Third, the parameter settings:
Module has three buttons [Set], [Up], [Down];
Press [Set] key to switch the display four parameters (FR1: PWM1 frequency; dU1: PWM1 duty cycle; FR2: frequency of PWM2; dU2: PWM2 duty cycle), before the handover parameters, there will be corresponding parameter name flash.
Press [Up], [Down] keys to modify 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 kinds of frequency duty cycle is the same value. (XXX: range 1Hz ~ 999Hz; XX.X: range 0.1Khz ~ 99.9Khz; X.X.X .: range 1Khz ~ 150Khz,).

Fourth, the scope:
As square wave signal generator which generates a square wave signal;
to provide a signal to the stepping motor driver;
Adjustable pulse generation for chip use;
produce variable pulse signal, the control-related circuit (PWM dimming, speed).

Fifth, the serial control
Baud rate: 9600 bps
Data bits: 8
Stop bits: 1
Parity bit: none
Flow control: none
Set the PWM frequency
"S1FXXXT": setting PWM1 frequency of XXX HZ (001 ~ 999)
"S1FXX.XT": set the frequency of PWM1 XX.X KHZ (00.1 ~ 99.9)
"S1F: X.X.X.T": setting PWM1 frequency 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)
Setting successful return: DOWN;
Setting failback: FALL.
NO Retail Box. Packed Safely in Bubble Bag.

Package Included:
1 x 2 way Independent PWM Generator

1.We accept Payoneer、PayPal、Mastercard、VISA、AMEX etc.

2.All major credit cards are accepted through secure payment processor.

3.For faster service, please update your correct address before sending payment.



1. We ship to your eBay or Paypal address. Please make sure your eBay and Paypal address is correct before you pay.

2. Items will be shipped within 2-5 business days when we received payment.(exclusive holidays or weekends)

3. Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer responsibility.Please check with your country customs office to determine what these additional costs will be prior to bidding/buying.

4. Delivery time depends on destination and other factors, normally it would sooner than the ETA if it can go smoothly through customs. 


1.60-day Free return,please contact us by ebay message for getting more return details and do not open a return request.

2.If the product is defective or damage upon arrival, please contact us before open a dispute, we will spare no effort to offer the best solution.

3.The returned package must in original package with all packaging material.

1.  If you are satisfied, please take a minute to leave us a positive feedback, we are glad to leave positive feedback to you automatically after payment cleared.

2. Please do not hesitate to contact us to get a better solution before you leave a neutral or negative feedback, even open a case, we will provide you the best service.

3. We' re always with you, sincerely thanks not to leave NNF or open a case before receiving our replies, thanks to consider our working time so maybe we couldn’t reply to you in a timely manner. 


1. For any inquires and customer support, please contact us by ebay message. No need contact ebay.

2. All emails will be responded to within 24 hours during business days.(except holidays or weekends)

3. We are always on your sides! Appreciate your kindly understanding and cooperation. Hope you have an excellent shopping experiences with our transactions.

Payment

1.We accept Payoneer、PayPal、Mastercard、VISA、AMEX etc.

2.All major credit cards are accepted through secure payment processor.

3.For faster service, please update your correct address before sending payment.



Shipping

1. We ship to your eBay or Paypal address. Please make sure your eBay and Paypal address is correct before you pay.

2. Items will be shipped within 2-5 business days when we received payment.(exclusive holidays or weekends)

3. Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer responsibility.Please check with your country customs office to determine what these additional costs will be prior to bidding/buying.

4. Delivery time depends on destination and other factors, normally it would sooner than the ETA if it can go smoothly through customs. 


Return Policy

1.60-day Free return,please contact us by ebay message for getting more return details and do not open a return request.

2.If the product is defective or damage upon arrival, please contact us before open a dispute, we will spare no effort to offer the best solution.

3.The returned package must in original package with all packaging material.

Feedback

1.  If you are satisfied, please take a minute to leave us a positive feedback, we are glad to leave positive feedback to you automatically after payment cleared.

2. Please do not hesitate to contact us to get a better solution before you leave a neutral or negative feedback, even open a case, we will provide you the best service.

3. We' re always with you, sincerely thanks not to leave NNF or open a case before receiving our replies, thanks to consider our working time so maybe we couldn’t reply to you in a timely manner. 


Contact us

1. For any inquires and customer support, please contact us by ebay message. No need contact ebay.

2. All emails will be responded to within 24 hours during business days.(except holidays or weekends)

3. We are always on your sides! Appreciate your kindly understanding and cooperation. Hope you have an excellent shopping experiences with our transactions.

Datacaciques