https://w.electrodragon.com/w/index.php?action=history&feed=atom&title=LV8729 2026-06-07T15:55:47Z Revision history for this page on the wiki MediaWiki 1.37.2 https://w.electrodragon.com/w/index.php?title=LV8729&diff=29983&oldid=prev 2021-03-04T17:41:08Z

<p></p> <p><b>New page</b></p><div>== Use Guide LV8729 Module Drive==<br /> Note:<br /> When checking Vref, do not connect motor, but connect power and USB power.<br /> When tuning Vref, first turn to smallest in case of burn output<br /> &lt;gallery&gt;<br /> Lv8729_01.jpg | Double check board direction before power up, wrong direction will burn all<br /> Lv8729_02.jpg | Double check board direction before power up, wrong direction will burn all<br /> Lv8729_03.jpg | Check Vref, output current is Vout = Vref/0.5, default Vref is about 0.4A<br /> File:Lv8729_001.png | Setup Vref, clockwise -&gt; current increase, counter clockwise -&gt; current decrease<br /> &lt;/gallery&gt;<br /> Micro-step setup:<br /> * Measured voltage: Vref --- Drive current: I --- Drive resistance: Rs = 0.1<br /> * 0.10V 0.2A 0.1Ω<br /> * 0.15V 0.3A 0.1Ω<br /> * 0.20V 0.4A 0.1Ω<br /> * 0.25V 0.5A 0.1Ω<br /> * 0.30V 0.6A 0.1Ω<br /> * 0.35V 0.7A 0.1Ω<br /> * 0.40V 0.8A 0.1Ω<br /> * 0.45V 0.9A 0.1Ω<br /> * 0.50V 1.0A 0.1Ω<br /> * 0.55V 1.1A 0.1Ω<br /> * 0.60V 1.2A 0.1Ω<br /> * 0.65V 1.3A 0.1Ω<br /> * 0.70V 1.4A 0.1Ω<br /> * 0.75V 1.5A 0.1Ω<br /> <br /> LV8729 (THB6128)<br /> * [[:File:Lv8729_datasheet.pdf|Lv8729_datasheet]]<br /> <br /> <br /> [[category: ON Stepper Drive]]</div>

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