Happy new year and blessings from our Creator to all! On Fri, Dec 31, 2021 at 5:56 AM vsurducan <[email protected]> wrote:
> Vasi, all Chinese kits have to be seriously touched before use, it's > nothing special to cut a trace and solder a wire :) :P > Check for the missing thermal vaseline in all kits and products having > radiators... Double check things supplied at 5V connected with other things > supplied at 3.3V...etc. > The worst thing is when you have to deal with Chinese bandwidth (like > Fnirsi DSO 110MHz say, 20MHz is...:o) Chinese watts or any other parameters > you will wonder about... So. no big problem. Chinese cheap is > expensive. Chinese hobby kits are fine. Hobby it suppose to modify and > understand. > Happy new 2022! > > > On Fri, Dec 31, 2021 at 2:51 AM vasi vasi <[email protected]> wrote: > >> Option nr.2 is the best from all angles. Free software, excellent >> modularity, excellent online documentation, huge blueprint "database". >> Instead of Arduino UNO R3, you can use a Nucleo board and gain in speed >> (with the required grbl version built for STM32) just by moving the shield >> from a board to another, matching industrial solutions. >> >> On Thu, Dec 30, 2021 at 11:17 PM vasi vasi <[email protected]> wrote: >> >>> Guys, be careful with the option from link nr.3, a customer says: >>> >>> "There's one glaring flaw: the micro-stepping jumpers don't work because >>> they connect to ground instead of vcc. I had to modify mine. I removed all >>> of the ground-side pins from the jumper pairs, then made a wire that >>> reached each stepper driver's remaining jumper pins. One end of the wire >>> connects to the +5v on the board and each of the other three ends was >>> soldered to a jumper, which allowed me to send voltage to one or two pins >>> on each stepper (I was able to enable 8x microstepping, which was fine for >>> me). As for the flaw that another buyer mentioned, with the "step" and >>> "dir" pins being reversed, you don't necessarily need to modify the board >>> for that. Just compile your GRBL with the "config.h" file listed in the >>> link on Banggood's CNC Shield product page. Overall, I'm happy, now that I >>> got it working. The Arduino and the stepper motors seem to be flawless so >>> far. And it only took 2 or 3 weeks to get to Ottawa, Canada via regular >>> mail, so that's not bad." >>> >>> On Thu, Dec 30, 2021 at 8:17 PM 'Oliver Seitz' via jallib < >>> [email protected]> wrote: >>> >>>> Hi Hans, >>>> >>>> "how you did this?" >>>> >>>> Well, I didn't. I just said how I would do it. I usually do projects >>>> which are not readily available or far to expensive. >>>> >>>> The raspberry pi is my desktop computer, or a video player, or the more >>>> complex side of a project. >>>> >>>> My fridge, which is outside and needs heating in winter, is controlled >>>> by a PIC. It's connected to a Pi zero W, which acts as nothing more than a >>>> wifi interface to get the temperature curves to my screen. Yes, an ESP >>>> controller would do it, but that's a new world I haven't entered yet. >>>> >>>> You shoudn't compare the raspberry pi to a PIC controller. It is a >>>> (cheap and small and low-power) computer. >>>> >>>> Greets, >>>> Kiste >>>> >>>> Am Donnerstag, 30. Dezember 2021, 17:39:28 MEZ hat hans < >>>> [email protected]> Folgendes geschrieben: >>>> >>>> >>>> Hi Kiste, >>>> Thank you for responding. I bought a raspberry set with screen a while >>>> ago, but because it's very different from JAI, I haven't done anything with >>>> it yet beside running some ready-made programs on it. Can you give me some >>>> info how you did this? >>>> >>>> Op woensdag 29 december 2021 om 14:16:31 UTC+1 schreef Kiste: >>>> >>>> Hi Hans, >>>> >>>> jal is not the language to decode almost any files. It is solely for >>>> 8bit microcontrollers. Such a controller is an excellent choice to control >>>> stepper motors in sync with an engraving laser module, but not for decoding >>>> any data files. You would want something with more computing power, more >>>> memory and other kinds of interfaces. >>>> >>>> For decoding files, I myself would use a raspberry pi, connected to a >>>> PIC by UART. Then, I would transmit only simple actions like "go forward >>>> 300 steps, then turn on laser, go forward another 100 steps, turn off >>>> laser" to the microcontroller. >>>> >>>> On a complete little computer, there are libraries for decoding most >>>> file types you may want to use. The microcontroller then can do the >>>> swiching with fractions of microseconds accuracy. >>>> >>>> Greets, >>>> Kiste >>>> >>>> Am Mittwoch, 29. Dezember 2021, 10:02:41 MEZ hat hans < >>>> [email protected]> Folgendes geschrieben: >>>> >>>> >>>> Hi all, >>>> Having a lot of material like steppers laser etc i am now thinking >>>> about making a cnc graving tool. I have not yet done anything with CNC >>>> etc. >>>> My question : Is there a Jal lib for CNC decoding or other advices? >>>> Thank in advance (again) >>>> regards >>>> Hans >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "jallib" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/jallib/17de83e8-726d-45fd-8d97-acd61ab06dbdn%40googlegroups.com >>>> <https://groups.google.com/d/msgid/jallib/17de83e8-726d-45fd-8d97-acd61ab06dbdn%40googlegroups.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "jallib" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> To view this discussion on the web visit >>>> >>>> https://groups.google.com/d/msgid/jallib/2784b35d-bdb0-4a8b-96ac-a3187c468a27n%40googlegroups.com >>>> <https://groups.google.com/d/msgid/jallib/2784b35d-bdb0-4a8b-96ac-a3187c468a27n%40googlegroups.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "jallib" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/jallib/954933892.245252.1640888269803%40mail.yahoo.com >>>> <https://groups.google.com/d/msgid/jallib/954933892.245252.1640888269803%40mail.yahoo.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>> >>> >>> -- >>> Vasi >>> >> >> >> -- >> Vasi >> >> -- >> You received this message because you are subscribed to the Google Groups >> "jallib" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/jallib/CABsDq%3D8ogPGCM-gm2yGaPHzqeNoiGNWmz1XRTs4Op_gjzeq46Q%40mail.gmail.com >> <https://groups.google.com/d/msgid/jallib/CABsDq%3D8ogPGCM-gm2yGaPHzqeNoiGNWmz1XRTs4Op_gjzeq46Q%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> > -- > You received this message because you are subscribed to the Google Groups > "jallib" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/jallib/CAM%2Bj4qsmtMOWGSGGe%3D9s0jNv3xZscqQZ_OsQRjPCMUsfJ%2BhW8w%40mail.gmail.com > <https://groups.google.com/d/msgid/jallib/CAM%2Bj4qsmtMOWGSGGe%3D9s0jNv3xZscqQZ_OsQRjPCMUsfJ%2BhW8w%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- Vasi -- You received this message because you are subscribed to the Google Groups "jallib" group. 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