Adjust DC-DC LM2596S Buck Converter Step-down Power Module 4-40V to 1.3-37V New

Description

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Product Description
Adjust DC-DC LM2596S Buck Converter Step-down Power Module 4-40V to 1.3-37V New
Features:
1) Output voltage calibration steps:
Step 1:
Adjust the right button so that "OUT" LED light is on, the voltmeter shows the value of output voltage;
Press the right button for more than 2 seconds, release, voltmeter and "OUT" LED flashes in synchronization so that makes the output voltage calibration mode.
Step 2:
press the right button (normal speed), the voltage value is adding up a unit;
Press the left button, minus a unit; Due to a unit is less than 0.1V, the minimum voltage display to 0.1V, so you need to continuously press 1-5 times to see the voltmeter change 0.1V.
How many times voltmeter change 0.1V by pressing the key, depending on the current display voltage, the higher the voltage, the fewer the number of press.
Step 3:
Press the right button for more than 2 seconds, release, to exit the output voltage calibration mode. All parameters set to automatically power down to save.
(2) Input voltage calibration steps:
Step 1:
Adjust the right button so that "IN" LED lighted, the voltmeter shows the value of input voltage;
Press the right button for more than 2 seconds, release, voltmeter and "IN" LED flashes in synchronization so that you enter the input voltage calibration mode.
Steps 2 and 3:Consistent with the output voltage calibration method.
Specification:
1.Input voltage range:4～40VDC
2.Output voltage range:1.25-37VDC adjustable
3.Output current:2A
4.Voltmeter range: 0 to 40V, error ±0.1V
5.Input reverse polarity protection
6.Built in output short protection function
7.Built in thermal shutdown function
8.L x W x H =6.1*3.4*12 cm
9.Weight: 22g
10.LED digital voltmeter tube, the accuracy is adjustable function, can be aimed at your adjustable accuracy.
11.Press the right key to let the display show the input or output voltage. When the right “OUT” LED light, it shows output, the left “IN” LED shows input.
Note:
Some customers report: "The module can not be adjusted, the output voltage is always equal to the input voltage." Because the factory default output voltage is 20V.
When you encounter this problem, please counterclockwise rotation of the potentiometer 10 laps or more, then you can adjust the output voltage.
Package Included:
1pc Step-down Power Converter
Payment
Contact Us
Shipment
Returns
Feedback
We only accept PayPal payment.
1.Do not hesitate to contact us anytime before and after your purchase, we are committed to your 100% customer satisfaction.
2.I am here and ready to assist you with any questions or concerns you might have before or after the purchase.
3.My goal is to make sure you are a happy customer and pleasant shopping with us.
1. Ship from
Chino, CA 91710
, and only to eBay ADDRESS. Package handling only takes 1 business day at our warehouse, so please make sure entering correct payment and shipping information before checking out.
2. We only ship to the Lower 48 states, and we do not ship to FPO, APO or PO Box addresses.
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.
1. If you receive any damaged or defective items, we will exchange it as quickly as possible.
2. You must contact us within 7 days of delivery of the product to notify us of any defects.
3. You need to send a picture to prove the problems by using ebay's attaching files button
4. Items must be in original box and kept in good condition.
5. Buyer is responsible for return shipping cost if there isn't any problem with the product. No matter the item is free shipping or not, we pay money for the  shipping.You need to cover the actual shipping cost provided by us.
If you are satisfied with the purchase and our total service, your comment is very important in our business success. Please take a minute to leave us a positive feedback with an overall Detailed Selling Rating (DSR) of 5.
Our eBay account setup auto feedback, so eBay system gives you automatically Positive feedback back after your positive feedback left.
If you plan to give us a neutral/negative feedback Or open ebay/paypal case, please write to us immediately so that we can do our best to resolve your problem.
Payment
We only accept PayPal payment.
Contact Us
1.Do not hesitate to contact us anytime before and after your purchase, we are committed to your 100% customer satisfaction.
2.I am here and ready to assist you with any questions or concerns you might have before or after the purchase.
3.My goal is to make sure you are a happy customer and pleasant shopping with us.
Shipment
1. Ship from
Chino, CA 91710
, and only to eBay ADDRESS. Package handling only takes 1 business day at our warehouse, so please make sure entering correct payment and shipping information before checking out.
2. We only ship to the Lower 48 states, and we do not ship to FPO, APO or PO Box addresses.
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.
Returns
1. If you receive any damaged or defective items, we will exchange it as quickly as possible.
2. You must contact us within 7 days of delivery of the product to notify us of any defects.
3. You need to send a picture to prove the problems by using ebay's attaching files button
4. Items must be in original box and kept in good condition.
5. Buyer is responsible for return shipping cost if there isn't any problem with the product. No matter the item is free shipping or not, we pay money for the  shipping.You need to cover the actual shipping cost provided by us.
Feedback
If you are satisfied with the purchase and our total service, your comment is very important in our business success. Please take a minute to leave us a positive feedback with an overall Detailed Selling Rating (DSR) of 5.
Our eBay account setup auto feedback, so eBay system gives you automatically Positive feedback back after your positive feedback left.
If you plan to give us a neutral/negative feedback Or open ebay/paypal case, please write to us immediately so that we can do our best to resolve your problem.
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