Tagged Questions
0
votes
1answer
34 views
Setting up an IBL2403 motor driver
I received an shiny new IBL2403 the other day:
However, I've been having difficultly using the EasyMotion Studio software that comes with it.
When I try and set up the driver for the first time, ...
1
vote
3answers
159 views
L293D Question About Grounding
I am using the L293D to run two motors, and am controlling it via an ATmega328.
I am a bit confused about how grounding works. I was following this tutorial, and searched this question a lot, but am ...
2
votes
1answer
85 views
Input rated current for easydriver 4.4
I am using easydriver 4.4 to control stepper motor. Easy driver takes input voltage from 7 to 30V. I fed 20V 3.0A to easydriver, but i got it burnt (easydriver)*. Is 3.0A too much for easydriver ? ...
4
votes
3answers
193 views
Why are the pins on the official arduino motor shield so long?
Here is the Official Motor sheild website.
The shield has pin connectors at the bottom that are 2x longer than on any other shield I've seen. Why is that?
1
vote
1answer
136 views
High voltage H-bridge diode
i'm designing a varable-frequency drive with 2 H-bridges based on IR2108 half-bridge drivers. I want it to drive a 220v single-phase motor. Reading the datasheet i got a little confused on choosing ...
0
votes
1answer
475 views
How to use a SN75441 h-bridge in conjunction with an arduino
I am trying to use a SN75441 h-bridge in conjunction with an arduino in order to drive a DC motor forward and backward. Let me describe the setup and then the problem I am encountering.
I have an ...
2
votes
1answer
189 views
BLDC Motor Driver Losses
That was a pdf when originally uploaded, but am now going to try to zoom in on the sub-circuits. Please let me know if there's a better way to do this.
I'm trying to make a PIC-based BLDC motor ...
2
votes
4answers
371 views
How to use a SN75441 h-bridge (not working as expected)
I am trying to figure out how to use an SN75441ONE h-bridge. I have it hooked up like this:
Pins 1, 8 and 16 are connected to the positive rail (+5 V). Pins 4, 5, 12 and 13 are connected to ground. ...
1
vote
1answer
90 views
What motor driver should I use based on amps?
I am building a robot that sports 2 motors ripped from an old RC car. After many attempts to find the data sheets, nothing of use turned up. So, I ran some test and found this out about the motors.
...
2
votes
1answer
1k views
how choose transistor for driver circuit of stepper motor?
I need to drive a 1A stepper motor coil from a digital output that can source only 5mA. That would require Hfe of 1A / 5mA = 200, but I can't find a transistor with that much gain. Is there any ...
2
votes
2answers
592 views
how to construct stepper motor driver?
I am going to do one project in labview
my requirement is to control the stepper motor in following way
while pressing one button in front panel the stepper motor should run in one direction in ...
0
votes
1answer
644 views
how do i drive the h bridge to control a motor?
I am using the ZXMHC3F381N8 MOSFET H-Bridge to drive a motor forwards and backwards. I am using a PIC16F1946. The H bridge is connected to PORTE of the PIC. This is the code I am using to set up the ...
1
vote
2answers
309 views
Galvanic separation between a microcontroller and a motor driver
Is it possible to achieve galvanic separation between a microcontroller and this driver . It's a dual full bridge driver and I'm going to parallel it's outputs (consequently the inputs and the sense ...
2
votes
1answer
297 views
With the case of stepper motors, what correlates to the max RPM of the individual unit?
I'm looking at a few different stepper motors for an engineering project I'm working on, and I'm attempting to tease out any correlations that a stepper motor's stats would have with its maximum ...
0
votes
2answers
809 views
3
votes
1answer
4k views
Motor driver using only a 2N2222 transistor?
Is it possible to build a motor driver using only a 2N2222 transistor?
If yes, then how?
1
vote
2answers
2k views
L298 Motor Driver spinning motor only one way :/
i just made a motor driver circuit on a veroboard to use with my arduino
but the problem is l298 spinning motor only one way.
here is the code
it was supposed to spin motor forth and backwards every 2 ...
4
votes
4answers
2k views
How does the Linistepper, open source linear Stepper Motor Drive work?
I have been trying to get the Linistepper to work, however I can't seem the understand the working of the circuit.
The circuit is here.
The issues that I'm unclear about are:
What are the ...
10
votes
2answers
4k views
Is it possible to drive a stepper motor greater than 1000 rpm?
How could I achieve this?
What are the stepper motor facts
and principless that I have to
keep in mind to design a circuit
to achive this goal?
Are there any readymade/open source
alternatives ...
7
votes
2answers
1k views
BLDC and three phase inverter
I want to run/control a BLDC motor from a DVD/CD-rom player and found a schematic how to do this, the so called three phase inverter (see right schematic on this page: ...
