Mr. Otto Posted January 24, 2009 Report Share Posted January 24, 2009 I decided to make all pcb's, burning, etc.. from scratch, since I think it is more fun, and Smash won't send kit here, so..Anyway, I'm having trouble on the burning PIC thing, I can't tell if a burner suports HVP. A week ago I found a brazilian made pic burner that seams to be able to do the job... here's the link, it is in portuguese, but I think one could tell by the schematics on the page: http://www.microgenius.com.br/shop/detalhes.asp?id=28&produto=410Any hint would be of great help.Thanks Quote Link to comment Share on other sites More sharing options...
stryd_one Posted January 24, 2009 Report Share Posted January 24, 2009 Unfortunately the page doesn't help... HVP mode is initiated using the MCLR pin, it needs to be held to a higher than normal voltage (about 12V, depending on the chip). Those designs show how to connect the programmer to the MCLR pin on the chip, but there's no hint of what level the pin outputs from the programmer.Any programmer not running off a real RS232 COM port, will need some kind of circuitry to increase the >5V input, into the needed voltage. There is a big blue cap on that board, which may be a good sign, or could mean nothing at all.Have you emaled them yet? What did they say about HVP? Quote Link to comment Share on other sites More sharing options...
Mr. Otto Posted January 24, 2009 Author Report Share Posted January 24, 2009 I was going to call them next monday, but let's email them too...I tought of that one because it is at very good price, and it seams very flexible, it also can be attached to their dev. board, witch is not expensive either, and it comes with a pic 18f452 along with manuals for students... so it would be very cool if it worksthanks stryd, as soon as get a reply from them i'll paste it here. Quote Link to comment Share on other sites More sharing options...
Mr. Otto Posted January 28, 2009 Author Report Share Posted January 28, 2009 Well, no response from the company... Good thing actually, a few hours after my second post I red a bit more carefully about the PIC Burner project and it doesn't sound difficult at all! A bit worried about the psu, though. Sometimes information on wiki comes and goes... and I'm preatty sure somebody wrote something about not using 2x9vbattery 'cuz it won't drive a steady voltage most of the times, but I can't find it anymore. In Michael Klein tut. he says it is an option... any help ? Quote Link to comment Share on other sites More sharing options...
JMS Posted January 28, 2009 Report Share Posted January 28, 2009 i know you mentioned that you'd like to build it all yourself, but, i just used a pickit2 (i think it was like $35 US or something) and it works great. Quote Link to comment Share on other sites More sharing options...
Mr. Otto Posted January 29, 2009 Author Report Share Posted January 29, 2009 It would be an excellent choice if only Brasil's tax laws weren't such a F* pain..so I'll have to double your $35. Add that to It's more fun if you do it and you get the idea. I read your thread about doing so using a Pickit2, it helped me understand a few things, thanks! Quote Link to comment Share on other sites More sharing options...
stryd_one Posted January 29, 2009 Report Share Posted January 29, 2009 Personally, I am a fan of the good old JDM. It will only work on motherboards which have a REAL com port though, so some people have troubles.... But it's a very simple build.As for the mbhp Burner, I would just use a normal wall-wart supply. Quote Link to comment Share on other sites More sharing options...
Mr. Otto Posted January 29, 2009 Author Report Share Posted January 29, 2009 JDM was an option too, you see, I, too, have an old Dell... ;) Thanks for the feedbacks!completely off-topic, but I was just reading MBSID's CC's Chart and thinking about the possibilities of controling it with a DrumKat, and holly s* that can be awesome! way better than having a Machinedrum! Quote Link to comment Share on other sites More sharing options...
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