Questions tagged [stepper-driver]

Questions related to various types of stepper motor drivers

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7
votes
2answers
5k views

How do you make sure you have the right voltage on the trimpots on an A4988 stepper driver?

I've been looking into this, but: I'm not certain how to configure my multimeter; I don't know how to keep the voltage going, and; I don't know how to keep the multimeter connected to the VMOT? I'm ...
1
vote
1answer
3k views

I can set the voltage and current of the TMC2130 driver manually. But, in which cases some of the components could burn up?

I need to know if something will burn up beforehand I plug all the circuits: Ramps 1.6+ Arduino Mega 2560 PSU 12 V, 15 A 2 TMC2130 V3.0 Stepper motor driver 2 Stepper motors 17hs3401 ...
3
votes
1answer
509 views

Can I use external stepper motor power and USB connection

I have a RAMPS 1.4 with Arduino Mega 2560 with 2 steppers connected to an external power supply using Polulo stepper drivers. The steppers are for X and Y axis movement. This external power supply is ...
3
votes
3answers
2k views

Closed-loop stepper motors

I am thinking to use closed-loop stepper motors to prevent step loss and make the machine more accurate. What options (preferably low cost) are there for: ...
2
votes
1answer
922 views

Is the Vref trimmer relevant on TMC2208 in UART mode?

I'm going to use TMC2208 stepstick in a printer and the firmware can control via UART the current during printing and during holding (static, no movement): the firmware has an explicit setting for ...
0
votes
1answer
108 views

Need sanity check debugging non-functional extruder [duplicate]

This is the same machine involved in this question: ender-3-pro-extruder-stepper-skipping-with-a-chunk-sound. After reassembling the extruder, I discovered that the extruder stepper did not move, ...