Gmx76

Got some jumpers and cables on order, but in meantime trying the firmware load. Do these look like correct settings?

great thanks @lenscap

8 hours ago, fozzybear said:

this is the shield i have and you need jumpers to determine the microstepping size on both axis 

CNC Shield V3 Bundle_EN.pdf 1.41 MB · 2 downloads

Just had a read of this, that's a really well laid out guide and should make things easier. thanks for sharing that

7 minutes ago, fozzybear said:

what drivers are you planning on using? LV8729's  have a look at the spec sheet and look at microstepping  section relates to jumpers ms1,ms2,ms3 in turn it is m0,m1,m2 on the board

LV8729 V1.0 - FYSETC WIKI

Yes its these I got thanks

you will need some jumpers (2pin) connectors for the microstepping if not already have them they go underneath the the stepper drivers on the cnc3 driverboard.

sorry can you be totally explicit, what do I need (can you send a link) Thanks @fozzybear

3 minutes ago, fozzybear said:

make sure to read the Wiki regarding cutting out the the resistor on the cnc3 shield  R1 if going the wemos and cnc3 shield  route

https://onstep.groups.io/g/main/wiki/19670

Andy

Thanks I did see that.  I just literally cut it off? Don't need to do anything else? 

@Lens cap so all the electronic parts have arrived and i have a question. My Nema 17 motors have come with fairly short (30cm) cables with no connectors, just bare cables. Is this enough length, and do i need to buy a couple of Dupont 4 pin connectors?

Yes its a tracking motor. 🙂

Thanks for the explanation, and it makes sense. I think one person on the onstep page did an eq3-2 direct driven but looks like he used gears. 

Might be a dumb question but why use pulleys and belts and not connect the motors direct?  I have a RA motor which just connects directly. 

Wemos and CNC boards have arrived, drivers and motors on their way. Going to get that working and will order pulleys after that, thanks for your help so far @Lens cap

hi @Lens capi'm going to start buying up stuff based on your recommendations above, just have a couple of questions.

Is any soldering needed?

Also, what do you use to power your onstep?

Looks very affordable.  And I hear good things.  I'm going to try the onstep route though as it seems not too hard and much cheaper.

thanks so much, think I am actually going to do it. It might take a little time but I appreciate the support , cheers

Amazing thanks @lenscap

On 09/07/2021 at 18:56, lenscap said:

Hi Greg,

I'm sure you're aware that the maximum slewing speed of the Simple Dream is 60x siderial which is much too slow to be practical for long slews. ( Typical Goto systems slew at 600x to 800x or more. At 60x a meridian flip would take about 15 minutes ! )

So you would have to loosen the clutches and push the scope close to your target before engaging the Simple Dream "micro Goto"  and a planetarium app to zero in.

If you are handy & want a full-speed Goto you could build an OnStep Goto system using Nema 17 motors for around £100.

https://onstep.groups.io/g/main/wiki/3860

Good luck.

Hi @lenscap I saw in another post that you have built your own onstep for eq3. I'm not that handy but now thinking about it, one of my friends teaches electronics, so could get some help. Would you mind sharing how you did your onstep please? 

Good point,  thanks

Great thanks.  

Thanks @Tan Zhi Qiwill try to find one!

Thanks @lenscap. Not too confident with the DIY thing but appreciate it's a good cheap way to go. Do you know if anyone sells pre-built versions of these? 

As for micro goto I realise its more push then goto.  I do have a az-gti in eq mode.  Would you happen to know what the x60 compares to on the 1-9 scale in synscan? 

Thanks for that.  Must say I emailed astro-tech to see if it supports plate solving late last night and had an email back within a few hours saying yes.  So that's promising.  Just got my eq3 but maybe next month I can buy this.  Trying to do AP as cheap as possible!

Hi, I am picking up a cheap eq3-2 tomorrow and am considering cheap goto upgrade options.

Does anyone have any experience of using SimpleDreamEQ3?

Primary usage would be for EEVA and some light imaging. 

Thanks

hi, just wondering if anyone has had experience with the 130PDS on the AZ-GTI in EQ mode for EEVA/imaging. I realise with accessories it will be at the limit, is it worth a try? (have the GTI now but looking to change my 72ed to something with more light gathering capability). Thanks

Mac version of ALS? I just downloaded from your website.  Does it support Mac? I'm on Catalina. Not in front of it now,  will try to add version details later.

oacapture detects the camera easily,  but after some testing of oacapture / jocular I am getting a similar result (invalid) 

oaCapture-20210527-105455000192.fits oaCapture-20210527-105456000201.txt