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➤Simple step and direction control interface
➤Five different step resolutions: full-step, half-step, quarter-step, eighth-step, and sixteenth-step
➤Adjustable current control lets you set the maximum current output with a potentiometer,which lets you use voltages above your stepper motor¡¯s rated voltage to achieve higher step rates
➤Intelligent chopping control that automatically selects the correct current decay mode(fast decay or slow decay)
➤Over-temperature thermal shutdown, under-voltage lockout, and crossover-current protection
➤Short-to-ground and shorted-load protection
Warning:
➤Connecting or disconnecting a stepper motor while the driver is powered can destroy the driver.(More generally, rewiring anything while it is powered is asking for trouble.)
Package Include:
10 x A4988 Stepper Motor Driver Module
Only the above package content, other products are not included.
Art F
Reviewed in the United States on March 4, 2022
I bought these, fully expecting at least half of them to be DOA, so I was pleasantly surprised when all 10 of them made motors work. I did end up throwing two of them out because even though motor motion was as expected, they drew current (and energized coils) as soon as motor voltage was applied, which isn't supposed to happen.All in all, I'm giving them 4 stars because even though I had to toss two, I got 8 working drivers for what amounts to $2 apiece. Given the number of DOA's normally seen with the Chinese boards, I'll take it.
Rick Rat
Reviewed in the United States on January 31, 2022
They come packaged good and seem to work good. I wish they would specify the resistor size on the description (e.g. R50, R68, R100, R200). These ones seem to work at R100.The Vref for these drivers and a 1.5a Nema 17 are 0.96V
Manuel Fallas Sanchez
Reviewed in the United States on January 29, 2022
Buen producto, bien empaque
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