Opto break out board is called

https://www.embeddedtronics.com/
I am considering this one. nice and cheap.

can control up to 4 ax via Mach3


Hi Dave, You could still use your drive boards if you use opto isolators on the step and direction pins. A couple of resistors and vero board and maybe use opto isolater 1LQ74 or similar ...
Tue 29 Jun , 2010 10:57 am
Forum: StarTurn
Replies: 30
Views: 61740
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Re:

https://www.embeddedtronics.com/opto.html
I am considering this one. nice and cheap.


Hi Dave, You could still use your drive boards if you use opto isolators on the step and direction pins. A couple of resistors and vero board and maybe use opto isolater 1LQ74 or similar.


Hope this might help ...
Tue 29 Jun , 2010 10:48 am
Forum: StarTurn
Replies: 30
Views: 61740
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Re: Starturn Discoveries - Attention all owners!

Hi there:

I have SD2 in good con for my star turn 4
can any 1 help with some diagrams to line it up with a PC with an opto break out board to operate under Mach3?
Sun 27 Jun , 2010 13:21 pm
Forum: StarTurn
Replies: 30
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Re: PK2 interface

hi Dave:

what a conversion!
so the break out board is just for the protection of your PC?
And you can use stuff to control it with mach with any pc right?


please sort me out the detail since my PK2 and the rest are in perfect working order.
Now I understand what minimum wiring and cost is all ...
Fri 12 Jan , 2007 4:44 am
Forum: StarTurn
Replies: 30
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Thank you so much Dave


I 've a much better picture regarding the starturn4 's original design. How it actually works.

So I can think of a better solution.

I took the machine into bits and discovered it has 2 8 wires stepper motors.
I belive they are all unipolar stepper motor.

There are a no.s ...
Thu 28 Dec , 2006 7:17 am
Forum: StarTurn
Topic: starturn 4
Replies: 13
Views: 21497
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thats a very useful tips

since I m pretty sure every parts works in the machine, I hope to try to control it with Mech3 via my desk top. leave the only thing I have to do is try to connect the 9pin plug to the serial port of my P4 PC
Wed 13 Sep , 2006 4:02 am
Forum: StarTurn
Topic: starturn 4
Replies: 13
Views: 21497
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Could i use my orginal sesame dongle and connect it to a newer P4 PC .
If I cannot get it working economically with its orginal equipment.

I m considering to retrofit it with other cheaper CNC packages which cost me about 200.00GBP.

May I ask the orginal stepper motor is Bi-polar type please
Mon 31 Jul , 2006 7:05 am
Forum: StarTurn
Topic: starturn 4
Replies: 13
Views: 21497
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E03182/2


electrical serial no.78023872


I dont think I can afford a new retrofit card for 1,000 pounds tho.
Mon 03 Jul , 2006 5:04 am
Forum: StarTurn
Topic: starturn 4
Replies: 13
Views: 21497
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Possible to use lathcam for my starturn4 upgrade at all?

Hello there:

anyone can help me to run my starturn4 at the lowest cost?

can i use lathcam fo my machine?


Kind regards

Will
Fri 30 Jun , 2006 5:28 am
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starturn 4

Dear members:

I have a Starturn4 used to run on its orginal software until its expired.

I have the orginal dongle with the ide card but , I suspect the card become faulty with my A drive: light always stays on.

I try to get it working some how.
I know all the components are sound including all ...
Fri 30 Jun , 2006 4:59 am
Forum: StarTurn
Topic: starturn 4
Replies: 13
Views: 21497
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