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So I am going to change the brains of this so I’m, going to replace this proprietary board with the control board from the 2 watt, laser that I belt running garble, so here’s the board and I’ve taken it out of the other unit and one of the Reason I’m sort of going this route is this one’s already set up, and I already know the pins and everything for triggering the laser. So what I’m going to need to do is identify most of the pins here now, unfortunately, I don’t have the one with the big side on it up here, I’ve got the one with the digital display and it’s. This board is actually tucked up inside there and it’s kind of hard to get at. The only positive thing is I’ve got a ton of wire to work with the negative is going to be trying to get this back in there or mount it back, and therefore someone have to change some of the holes. However, I’ll cross that road. When I come to it, I guess, however, what we do have here is on this board. We have up here. We have our limit switches or n stops. We have our power, which is 24 volts and 5 volts coming into here, and then we have our two stepper motors now. I believe one of these this end one is the laser trigger. When this one goes low, I believe it fires the laser, so it doesn’t pulse with modulated laser.
The laser is either on or it’s off, depending upon what it’s set at on the indicator appear now there’s a separate circuit board up inside here that drives the percentage which does not appear to be integrated with this at all. So my fingers crossed at least that’s what it’s look like: I’m lying and there’s, no logic that appears to come back here other than this low line, which comes back to the power supply and really toggles the power supply on or off so most of that’s. I believe right in here and this control board, which is underneath there is only setting sort of the pulse which, with modulation or current, if you will, because I am going to add a current meter and you’ve – probably seen that already in another video so I’m, going To cut a hole up here for that, so anyways sort of just want to introduce the project as I go along. So what I’m going to do is I’ve it’s, not clear which stepper goes to which wire goes to which stepper so I’m going to have to sort that out. It is well labeled, though, what what wires go to, which limit switches so that’s, actually good and it’s. Also clear which, which are low, which are power so most of this, is pretty well labeled, so I don’t see a big problem knock on wood in making the changes, I probably will have to change the connectors to plug them into the DuPont connectors on here.
So that’s going to be a bit of work, but I should be able to get it all running actually outside of the chassis now this runs on anywhere from 12 to 36 volts. This runs the motor at 24 volts, so we won’t have a problem there. This should work out, okay in doing the conversion and then, like I say, I’m, going to get all this working and then we’ll see about tucking it all back in and seeing how it all works. So you know again, I’m hoping because one of the big issues I’m having with this is I don’t mind the dongle and everything. However, I don’t get that this just acts weird, so I don’t get some repeatability. If you saw in the last video or a couple videos ago where I cut the rubber, you know, I told it just to keep cutting that circle and to restart, but it restart in different spots and so well anyways. I think it’s got to do with the board and logic. Sometimes it works. Sometimes it wouldn’t and there’s no mechanical reason. It shouldn’t work, so I’ve come to determine it’s. Simply a software thing so best just to do away with this and go with good old G code, so I will have to do probably some adjusting to get it to do. Engraving I don’t do a lot of engraving. I really want this to cut acrylic so that’s. Why I’m not worried about it and again, I think, with with this and using G code, it’s much more suited to task than then utilizing a graphics program.
However, you do or will need to have a cam post processor to you know, work with things and I’m. Okay with that, because I’ll just write a post processor like I did for the 2 watt laser or you know for my CNC machine it’s, not a big deal so anyways, I just kind of want to introduce the project what I’m going to do. So if you, if you have one of these and you’re wondering about it, follow along some of the big things I have to figure out it really. Alright, you know the little electronics part is actually pretty simple. I don’t expect again not going to put too much problems with that I’m still searching on the internet for the settings, the garble settings you know, in other words, steps per millimeter and all that kind of stuff. So because I know a couple other folks and some of the lazer boards did it so I’m, going to I’m going to look around and see if I can’t find that, and hopefully I will and once I do, I’ll document it both in the video as I Make this change and I’ll show you how to set up garble on this machine so in ways. Hopefully you enjoy the series. Please give the thumbs up if you’re interested in it helps me out and then also subscribe to the channel, because a lot more coming I’m going to do this.
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