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I nstructions: LV8729 driver module with 128 subdivisions is a good choice for Nema stepper motor whose current is less than 1.5A, which makes motor steady, quiet and precise.

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Product Name:Lerdge lv8729 Stepper Motor Driver Module

 

Color:Black

 
LV8729 driver module with 128 subdivisions is a good choice for Nema stepper motor whose current is less than 1.5A, which makes motor steady, quiet and precise.
 
Specifications:
 
Dimensions: 1.5mm * 2.0mm (Same with the A4988 and DRV8825)
Maximum drive current: 1.5A (Default 0.8A)
Operating voltage: 6V-36V, the proposed voltage is 12V
Support subdivisions: 1, 1/2, 1/4, 1/8, 1/16, 1/32, 1/64, 1/128
Product Process: four layer PCB board
In the 64 subdivision or 128 subdivision to have a better ultra-quiet effect.
 
Note: Please make sure the connecting direction is right, or it will probably burn the driver chip and controller board. Recommend to do a good job of cooling for the module.
Driver current algorithm and its adjustment:
 
1. Driver current algorithm: i=Vref/0.5, the default Vref about 0.4V, so the default current 0.8A, and maximum current 1.5A
2. Please DO NOT connect the motors when measuring the voltage, or it's easy to burn the drive.
3. Please connect both the power supply and the USB for power when measuring the voltage.
4. Minor adjustment for potentiometer driver. Adjust it again after measurement to avoid burning driver by excessive current.
5. To increase the current by rotating the potentiometer clockwise slowly, and anticlockwise to reduce.


LERDGE LV8729 Stepper Motor Driver 3D Printer Kit 4-layer substrate ultra quiet driver Controll 128 Subdivisions

instructions:  giving a  New Aluminum HeatSink  

 

LERDGE LV8729 Stepper Motor Driver 3D Printer Kit 4-layer substrate ultra quiet driver Controll 128 Subdivisions

LERDGE LV8729 Stepper Motor Driver 3D Printer Kit 4-layer substrate ultra quiet driver Controll 128 Subdivisions

LERDGE LV8729 Stepper Motor Driver 3D Printer Kit 4-layer substrate ultra quiet driver Controll 128 Subdivisions

LERDGE LV8729 Stepper Motor Driver 3D Printer Kit 4-layer substrate ultra quiet driver Controll 128 Subdivisions

LERDGE LV8729 Stepper Motor Driver 3D Printer Kit 4-layer substrate ultra quiet driver Controll 128 Subdivisions

 

 

weight:8g

 

Package Included:LV8729 *1PCS、New HeatSink *1PCS  

 

LERDGE LV8729 Stepper Motor Driver 3D Printer Kit 4-layer substrate ultra quiet driver Controll 128 Subdivisions

 

LERDGE LV8729 Stepper Motor Driver 3D Printer Kit 4-layer substrate ultra quiet driver Controll 128 Subdivisions

 

 

Using no feedback


 

1. All products will be tested with power on before delivery, to ensure all the functions are ok.

 

2. After receiving the product, please do the test as soon as possible. Please read the manual carefully before testing or using the board. ) Please pay special attention to avoid the circuit burned and static electricity breakdown caused by improper connection. Please note improper operating and man-made damage do not belong to the warranty range.)

 

3. If you test the board and find it not work normally, please double check whether it's the problem of connections or software configuration (usually caused by these kinds of problems). After the double checking and the board still cannot work, please send the products back for us to check. The buyer pay for the return shipping cost first. If it's really the problem of the boards, we'll pay the shipping cost for both sides. But if after checking, we find the product is ok, or it’s caused by improper operating/man-made damage, the buyers should bear the fees for the shipping and the replacements of the components. We are responsible for providing free maintenance services.

 

4. Free maintenance is available for 6 months from the date of purchase. Buyers are responsible for shipping cost and replacement parts. And we bear the shipping cost sending to the buyers.

 

5. Over  6 months, we provide paid maintenance services. The maintenance fees will be charged according to the specific situations.

 

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