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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

Recent content by Tarsil

  1. T

    Disassembler for PIC18F2550

    @blueroomelectronics...a short and useful answer:D Thanks. I'm just a bit ashamed that i didn't played anought with MPLAB's menu's to find that out myself. @Pommie I've imported the hex (File/import..) having selected the right device (configure/select device..). After that i've selected the...
  2. T

    Disassembler for PIC18F2550

    Got some 18f2550 apps and I have only the .HEX. Now I need to modify them. Manual disassembly isn't a option due to the size of the program and my limited knowledge about the actualy machine code. Can u give me a link to a PIC18F disassembler (a free one if i'm not asking to much:D )?
  3. T

    is a smps ok for a pic

    like .5A claims Roman. I'l stay below 250mA thought. The picture of the scope's screen sugest that he built it and worked.
  4. T

    is a smps ok for a pic

    About switching reg..see this: https://www.romanblack.com/smps/smps.htm might work...
  5. T

    making pcb's

    About blue P&P transfer paper i think it's a waste of money. With some good q magazine paper (like Metropolitan or PLayboy ) u can get the same results. I get those mags for free. Even if I buy them (like 3-5$/issue) it's OK Geting a Playboy .......for the paper... :D...nice one..LOL
  6. T

    simple PIC16F84A programmer/burner pcb layout kit

    **broken link removed** this one works...
  7. T

    how to detect the voltage?

    Hmm ..I like the 16F676 idea...esp since i'l get one of those...:D
  8. T

    how to detect the voltage?

    U want to monitor the voltage of the bat or just to see if it's below a certain treshhold? For the second idea u could use the internal comparator. Ul just need a voltage reference and a voltage divider. About the software...familiar with the PIC's but never used a SX. FOr the first idea...
  9. T

    making pcb's

    Yes I had...but i sprayed 3 layers (dry-spray-dry ...) with the spray kept at the same distance so i could get a ~2inches line. The PCB came OK. Since then i buy coated boards (like 2$..~8x4 inches):D . Now i'm trying to get some polyvynilic alcohol, make my one coating solutions and use the...
  10. T

    making pcb's

    I tend to like photoresist method. U can make fine PCB's at a low cost. For the exposure u can use a "black light" tube (the blue-ish ones used in disco)...pref a cheap one (emits more UV). U can use a Inkjet printer (just buy some inkjet film). About the special board u can buy them or make...
  11. T

    no idea what this is. 40 pin dip

    Prob is a industrial or internal code. U could search at the company that made the equipment. Pretend u want to repair it:p. Usualy u get no answer....but ... I got a small bag of unindentified IC's...like a HUGE-M10 for example:p
  12. T

    **urgent** Need A Working Pic Programmer

    **broken link removed** Seen this? Worked for me.
  13. T

    Problems with programming (aka Why are you doing this to me?!)

    I Hate JDM-s!! Never semed to work on my computer. U could make a RCD programer. Here's the link: **broken link removed** I replaced the 10K pot with a fixed resistor. Works OK with 12f629/675/683, 16f628A. Never tried it with a 16f84 (I don't use the chip)..u might want to use a pot or put a...
  14. T

    Programing a 12f683 with a AN589 based programer

    Of course if it's to complicated....most of the time is the wrong way, but what can I say i like to tinker and experiment.
  15. T

    Programing a 12f683 with a AN589 based programer

    T Y for your answers. The idea that seems to program the 12f629/675 made me wonder. Because i only buy 12f683 (is cheaper than 629/675 and easyer to find.:confused:) I had to make a dedicated programer...asked about it on this forum. The one I want to build it's a gift for someone who just...

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