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meltac

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About meltac

  • Birthday 04/22/1981

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    Hamburg

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    meltac

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  1. OK i solved the problem. The 7809 on V2 seemed to be defect. It released around 12.9xV. Although it is labelled as 7809CV. Replaced it with another one of the same model. Now i get around 9V.
  2. Hi everybody. The assembly of my MB-6582 base board comes nearly to an end. Yesterday (or better today early in the morning) i finished the PSU section (option B +5V, +9V, +12V). While testing the outputs on J4 i regognized that the 9V rail is on up to 13V and not 9V. The other rails measure the expected voltage. Now my question: Where could be the problem or is this the usual case? Best regards from Hamburg!
  3. meltac

    My Bench

    btw, its also my kitchen table...
  4. I found 2 "Views" which show the content of different memory locations. But as i'm still a beginner i don't know if these are the right locations for the header ID. Can someone tell if i am right or wrong? Best Regards Meltac
  5. Hi Thorsten, i was just afraid of breaking pins off my PIC's. So I searched for an alternative method to reprogram the header id. Nevertheless, i am quite far from this construction step. Yesterday my long awaited PCB's by SmashTV have arrived. I will study MPLABX a bit more. Maybe i find out how is it done with. Regards Meltac
  6. Hi everyone! regarding to my MB6582 project, i am wondering if it is possible to change the ID header of a PIC via MPLABX (or MPLAB)? If i load the bootloader *.hex file to mplab, how can i find the correct position of the ID header definition? I also tried to find it by myself, but without luck. I am unfamiliar to this IDE and maybe there is a special dialog inside mplab? Has anyone an idea? Doing it with the newbie advice would cause me to plug and pull the chips into the socket for core0 4 times while having a "Nullkraft" (zero force?) socket unused on my desk.
  7. I know, i have a PicKit 3 clone. So i am prepared for this......hopefully ;) I also own an older programmer, but it doesn't support this PIC type. Anyway thanks for the advice!
  8. Hi all, while searching for components for my MidiBox SID V2 project, i found this offer on ebay. 2x PIC18LF4685 chips for 10,80$. That was the cheapest offer i ever found until now. Therefore i thought that it might be interesting for some of you. I hope that i will get my order without being checked by german customs ;) But also with taxes it is still a very good price/value ratio. Greeting from Hamburg! ebay PIC offer
  9. Ah, this is the topic, i wanted to find. So the PIC18LF variant is also working?! That's brilliant. There's a very cheap offer on ebay for this low power PIC. BTW, as this is my first post i want to mention anyway that i am new here and you got me hooked on in building a MidiBox SID V2. In the meantime i am collecting the needed parts for it and i am sure that the next post of myself isn't that far. Greetings from Hamburg!
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