Trình Điều Khiển Máy In 3d 4 Lớp 8729 128

Giới thiệu Trình Điều Khiển Máy In 3d 4 Lớp 8729 128

Specifications:Dimensions: 1.5mm * 2.0mm (Same with the A4988 and DRV8825)
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.
Item Type:Driver
el Number:8729
Item Type:Driver
Color:Black
Material: metal, plastic
With heat sink:YES
weight:6.8g
Condition:NEW
Product Name:Lerdge 8729 Stepper Motor Driver ule
8729 driver ule 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.
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 ule.
Driver current algorithm and its adjustment:
1. Driver current algorithm: i=Vref * 0.9, the default Vref about 0.4V, so the default current 1.2A, and maximum current 2A
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.
Package Contents:
1x 8729 stepper motor driver uleOnly the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.

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