Search:

Dear all,

I build a circuit using L298 and L297 which is only 2Amp , it works well but i have a problem with the speed of the motors.

please help me , why i cannot turn my motors with enough...

thanks for your link , unfortuantly i'm not so good in assembly so i'm trying to find in C or PIC basic .

what if i wrote a code to generte puleses on thes step pin every 50 micro second , will it...

the funny thing had happned ,

i did connected Enable o 5 volt , and set the direction . now when i only touch the step wire with my finger the stepper motor rotets ...... why ?

Thanks
...

Dears,

please help me to control stepper motor driver controller L297 using Pic micro controller .

i need to generate the step and direction and enable .

how to do that ?

Thanks

Dears ,

Please help me to control Stpper controller L297 using PIC Micro controller , i'm a good user of PIC but don't know how to generate the requirment of L297 [ Stpe, Dircetion , enable ]...

o.k , i'll try to explain my question .

Which pin numbers in LPT can output the requirements of L297 which is :

step signal, a direction signal, an enable signal, and a half/full step signal.

Thanks a lot , but i still don't know how to connect the interface board with the driver !!!


please help me

Thanks

watzmann

Dears ,

I managed to build my own Stepper motor driver using L298 and L297.


my problem now , how can i connect parallel port to the driver board , can you please advice?

Thanks
...

Hi All ,

I'm building a small CNC machine and need to have a good schametic for stepper drivers using L297 and L298 .

Can you help me in that please ?

Thanks

M Farag

could you give me a subroutine example if you please.

bytheway i'm using BobCAM

Hi All ,

i have a little problem and i need your help , i have 200mm square plate and i need to make 5 pockets inside this part ,

my question is : do we have Milling cycles like the Tapping...

am using Adobe Golive cs2, but i don't like it , not a flixable one

i think an hour is not so bad to get hot ,

Hi All,

i have built my web site just since 1 month , and for sure i need to hear your comments on my pages ,

any comments are welcome , please tell your suggestions if exist , but note that...

so nice to meet an egyptain here , i sent you an private message

kol sana wentaa tayeb

you are right!

i did that since one week i was watching mach3 demo tutorial , actually that helps alot.

but still looking to hear more sugestions

Hi All ,

am building a cnc router as my graduation project with aa team of 4 collegues, but a part of my project is to build a program using any compilars of the available in the market.

am an...

nice work :)

Hii All ,

am a mechtronics student in my last semester , after 2 months i have a presentation of my router cnc project , i made this project in a team of 3 students ,

but am thinking how to...

o.k , i got your opinion i hope someone else can share and tell us his opinion.

o.k , i checked hobbycnc and i found that steppers there work with just 3V .

http://www.hobbycnc.com/hcncpro.php

Hii All ,

am going to build a small cnc router to work with differant kind of woods and soft metals , so i looked for stepper motors with it's control board , i have found this one but i hope to...

Hii All ,

am an engineer fond of cnc machines .......... i was working in a company as a mectronics engineer and involved in cnc department.......wire cutting ...EDM and center milling machines ,...

Hii All ,

am a mectronics engineer .......am going now to ask you about an idea of one person he need to modify a milling cnc machine ,

this person is expert with the traditioanl shaping...

Hi All ,


do anyone know any web site provide free Autocad files for machines and tools and so on ,

i need some machine drawings ,i don't need an specific machine , i just need some...

Hi All ,

i need to know some about factories and it's mangments , for example am looking for a aweb site which provide some helpful sheets and hints to help to manage factories , to know how...

yes i can help you with this control , just go on

can what Macro programming mean ?

I have a agood knowledge about PIC programming , am looking for the next step