3 Channel PWM Pulse Frequency Duty Ratio Adjustable Controller Module Square Wave Rectangular Signal Generator

Name: 3 Channel PWM Pulse Frequency Duty Ratio Adjustable Controller Module Square Wave Rectangular Signal Generator
Brand: Generic
SKU: 1422015
Price: 21.99 USD
Availability: InStock

$21.99

Availability: In Stock

Shipping: Free Airmail

Estimated Delivery:

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Handling Time

Before we can ship your order, we prepare your products, do strict quality-control tests and carefully package the items. The time it takes to prepare your items for shipping is separate from the delivery time. It usually takes 1-3 business days to ship out .

Shipping Methods

You can choose the preferred shipping method on the cart page during the checkout process. We offers 3 international shipping methods:

1. Airmail – Free untracked economy shipping via national postal services (HK Post, Singapore Post, China Post, PostNL, Swiss Post, Sweden Post, USPS, Royal Mail e.t.c.)
2. Airmail Registered – Tracked shipping via national postal services (HK Post, Singapore Post, China Post, PostNL, Swiss Post, Sweden Post, USPS, Royal Mail e.t.c.)
3. Expedited Shipping – Express shipping with courier delivery (DHL, UPS, FedEx, TNT)

Delivery Time

Airmail and Airmail Registered	Area	Estimated Delivery Time
	United States, Canada	7-25 business days
	Australia, New Zealand, Singapore, United Arab Emirates	10-25 business days
	United Kingdom, France, Spain, Germany, Netherlands, Japan, Belgium, Denmark, Finland, Ireland, Norway, Portugal, Sweden, Switzerland	10-25 business days
	Italy, Brazil, Russia, South Africa	10-45 business days
	Other countries	10-35 business days
Expedited Shipping	3-10 business days to Worldwide

Note: If you choose an expedited shipping, please remember to leave a valid contact number, this is required for expedited shipping’s courier delivery.

Returns & Refund

Last updated October 05, 2022

Returns

If you are not completely satisfied with your purchase for any reason, you may return it to us for a full refund within 15 days from delivery date. All returned items must be in new and unused condition, with all original tags and labels attached.

Return Process

To return an item, please email our customer service at sales@alexnld.com to obtain a Return Merchandise Authorization (RMA) number. After receiving a RMA number, place the item securely in its original packaging, and mail your return to the following address:

Alex NLD
Attn: Returns
RMA #
HaGiborim St 8
Tiberias, 14388
Israel

Please note, you will be responsible for the return shipping charges. We strongly recommend that you use a trackable method to mail your return.

All customers should contact us and obtain Return Merchandise Authorization (RMA) number before sending anything to us. We will not be responsible for returned item(s) without notifying us in advance.

Refunds

After receiving your return and inspecting the condition of your item, we will process your refund to the credit / debit card or PayPal account which was used to place the original order.

Please allow at least seven (7) days from the receipt of your item to process your refund. Refunds may take 1-2 billing cycles to appear on your credit card statement, depending on your credit card company. We will notify you by email when your refund has been processed.

Exceptions

If an item is found damaged or defective on receipt, we kindly ask you to contact us within 15 days from the delivery date to arrange a refund or exchange without physical return of the item.

Please provide us with following:

1. Photos of the front and back sides of the packaging box;
2. A photo, video or screenshot of the defective item or the defective part of the parcel.

Our customer service team will communicate with you to arrange a refund or reshipment without physical return of the item.

Warranty & Repair service

If any of the items you have purchased from us is found defective within 1 year from receipt, you are entitled to a repair under warranty. Please kindly provide us with evidence photos or videos of the defective item. After providing such information to our Customer Service team and the problem is acknowledged, you can send the items back to us for a repair.

Note: Please be aware, we do not cover the cost of the returns fees in warranty & repair service.

Order Cancellation

If you want to cancel an order within 24 hours from confirmation of the payment, you will be entitled to a full refund. It is still possible to cancel an order after 24 hours, provided that it has not yet been shipped. If an order has been shipped, it’s impossible for us to cancel or modify it anymore. If you still want a refund, you required to return the item on it’s arrival.

Questions

If you have any questions concerning our return policy, please contact us at:

+972 054-536-2888
sales@alexnld.com

Description:

3-way PWM output, wide frequency range, duty cycle can be adjusted independently and in real time.

Frequency is divided into four ranges, automatic switching:

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

2. The smallest unit of X.XX (decimal point in 100 bits) is 0.01 Khz, ranging from 1.00 Khz to 9.99 Khz.

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

4. X.X.X (decimal point in 10 and 100 bits): the smallest unit is 1Khz; the range of values is 1KHz~150KHz

E.g. Frequency display: 100 represents the output pulse of 100 Hz from PWM;

1.01 represents the output pulse of 1.01K from PWM.

54.1 indicates that the PWM outputs 54.1KHz pulses.

1.2.4 indicates that the PWM outputs 124KHz pulses.

The duty cycle ranges from 0% to 100%, of which 100% is represented by A0%.

All setting parameters, power down save.

Features:

1. 3-way PWM output, frequency adjustable, 3-way frequency output consistent, duty cycle can be independently adjusted, suitable for most occasions;

2. LCD LCD display frequency and duty cycle, very clear, easy to adjust.

3. Wide frequency range and high accuracy;

4. Serial Communication

Used as a square wave signal generator to generate square wave signals for experimental development and use;

Square wave signal used to control motor driver;

Generate adjustable pulses for MCU use.

Generate adjustable pulses and control related circuits (PWM dimming and speed regulating applications).

The module has 8 independent keys to set the frequency and duty cycle. It supports short press (increase or decrease a unit) and long press (increase or decrease quickly). It is very simple. After setting parameters, it can save automatically without losing power.

3-way duty cycle button can be pressed at the same time, real-time adjustment, LCD display is the last pressed button duty cycle, real-time performance is very strong, can be used as a simple scan of several ways duty cycle.

Specification:

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 5-30 ma

Output amplitude: PWM amplitude is equal to supply voltage

Ambient temperature: – 20°~ + 70°C

Package included:

1 x Controller Module