Ua Volt 176 Driver
Cherie Trojak
i am fabricating a CNC drilling machine in x, y & z axis. for that i have decided to use 4 NEMA 17 stepper motors coupled with leadscrew. i am not buying the motor and driver from online as i dont have much time as shipping takes some time here in india...so decided to go for a local purchase. unfortunately where i live only 3-3.5 volt with 1-1.5 A motors are available. drivers like tb6560, drv8825 are available but their voltage rating is high. and yeah i will be using arduino uno.
Torque is force times distance. We know the weight, but not the force needed to move the weight. Dragging a polished 2kg weight over ice will take less force than dragging a 2kg object with velcro glued to it over the mating velcro piece.
i am kind of confused with the voltage of both driver and motor. and i never said i am buying parts from china........i said i will be buying parts from local dealer(similar to above mentioned parts). they are not shipped from china...they are made here in india. the only problem is time....i hardly have 2 weeks hence i am not buying from banggood or some other site.
Ignoring completely the design aspects of whether or not the steppers and lead screws you are looking at are suitable for the task: It is not unusual to see motors like those driven with at least 12 volts. It's the current setting on the driver that is most important to protecting the motor from overheating.
Yes, you will need to rotate the potentiometer, which will change the VREF voltage. You should monitor that voltage and make sure it corresponds to the appropriate current limit for your stepper motor.
7.5V is not an appropriate voltage for something that has an 8V minimum. Using a part like this outside of its operating voltage range is a good way to damage it. I suggest you supply the driver with 12V.
12V is better than 7.5V or 8V because it is within the operating range of the part (and, generally speaking, higher supply voltage allows for better stepper motor performance). The heat in the stepper motor is from the current, which is independent of the supply voltage if the current limit is being set correctly.
According see how they solved this problem.
I can use my stepper motor (1.7A, 2.55V) with the A4988?
Only I have to adjust the potentiometer to the voltage calculated?
So; Imax = Vref * 2.5; then Vref = Imax/2.5; then Vref = 1.7 / 2.5 = 0.68v?
Whether applied in VMOT voltage? can be 8v or 12v?
You should be able to use your stepper motor with the A4988 and the calculation in your post is correct, but since that driver can only handle 1A per phase you would have to set your current limit to about 1A (VREF = 0.4V). However, doing that would limit the torque that your stepper motor could produce. From your picture it looks like you might be using additional cooling, so you might be able to get more current out of the driver, but the exact amount is something you would have to determine. The A4988 operates between 8 - 35V, so using either 8V or 12V for VMOT should work. Measuring VREF like you did in the picture is fine.
What do I do about my Volt 2 dedicated driver (ASIO) not being compatible with Cakewalk? Generally speaking I'm fine with using the WASAPI shared driver but now I want to use the Neural Amp Modeler VST3 plugin and it's not working at all in my DAW. I been using the ASIO driver for 2 years now and all of a sudden it's not compatible with Cakewalk. I'm thinking about using Ableton Live 11 Lite (came free with Volt2 interface) but just found out you can only record 16 tracks. Yea, I think I need way more than 16 tracks sometimes. Any advise/ suggestions would be appreciated.
OK, you can only use one ASIO device at a time, and I see you have FlexASIO selected. If you deselect that in both recording and playback, you should be able to put ticks in the Volt and get it to be chosen for a start.
I can see the Realtek HD ASIO driver in there, which definitely comes with a warning message that it's incompatible - that driver is actually broken and will cause major issues, so perhaps this somehow got checked and was throwing that error but it seemed like it was coming from Volt?
All issues fixed! I did a bad install trying to put it on my external hard drive. This time I put it on my c drive (well most of it) went back to my dedicated volt driver and now everything works great! NAM sounds awesome with Ola Englunds amp model and impulse response. Thanks for your help! Much appreciated!
NAM is damn impressive, that's for sure! All of those new neural modelling plugins are just insane, and Ola has some great sounding models. I believe Leon Todd has a few models as well (he's more of an Axe FX guy but tries out a lot of other stuff), but if you're going high gain modern metal, you can't go too wrong with Ola's models and IRs.
Why the compatibility message appeared then disappeared is likely due to F coming before R before U in the alphabet and the DAWs default driver assignment routine. Although there should probably be a "generic driver" warning associated with FlexASIO too.
Watch this. funny, first 2 threads I just read the dudes are having audio issues. This is the best video I have watched that seems to cover everything. There's a lot of bad advise on the internet about audio systems.
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