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  1. Sadlercomfort

    Multiple interrupt functions but one interrupt vector

    That would be greatly appreciated Adam thank you.
  2. Sadlercomfort

    Multiple interrupt functions but one interrupt vector

    Thanks Adam, I did come across this, but I'm not sure what it means. I was hoping to get an explanation in English not C lol. Maybe I should just test the code see what happens.
  3. Sadlercomfort

    Multiple interrupt functions but one interrupt vector

    Hi Guys, I'm using a PIC16F877 40-Pin, MPLAB and Hi-Tech C compiler. I'm trying to use both an RB0/INT interrupt and PORTB (RB7:RB4) interrupt but keep getting the error: multiple interrupt functions (_INT_ISR and _ISR) defined for device with only one interrupt vector Here's the two...
  4. Sadlercomfort

    Soldering iron trouble.

    That's strange, even if the solder joint was bad it should still be connected. Where are you testing from?
  5. Sadlercomfort

    Soldering iron trouble.

    No problem =] if you can turn the temperature down slightly, until you get a nice colour. If you can't don't worry, just wipe on the wet sponge 2-3 times before your soldering anything.. rotating the soldering iron as you do. Should cool it nicely, then put a tiny bit of solder on the tip and...
  6. Sadlercomfort

    Soldering iron trouble.

    Your images aren't showing. I always find that keeping the tip clean is the most important. When starting I will dip my tip into tip cleaner and wipe it on a moist sponge a few times. You want it this sort of colour: Then tin each wire before joining, and just wipe on the sponge every...
  7. Sadlercomfort

    GPS NMEA, Failover Circuit upgrade attempt.

    I've used these kinds of fuses before, to protect a large CPU PCB for a stairlift and other things. They're very useful as they allow you to perform maintenence on the board without changing the fuse. If you haven't fixed the fault at least you don't waste fuses. They break the circuit very...
  8. Sadlercomfort

    Looking for PCB design information

    The author also wrote this: http://www.allaboutcircuits.com/technical-articles/pcb-layout-style-mistakes-that-make-assembly-and-debugging-difficult/ Might be worth adding this to the resource
  9. Sadlercomfort

    Looking for PCB design information

    Yes, there are some who think they know everything.. Yet I enjoy electronics because there's always something new to learn ;) The PCB has already being designed, Constantine has made this for me recently on his thread. It seems there is just enough information on here to explain the very...
  10. Sadlercomfort

    Looking for PCB design information

    That's right I have had trouble :) and I just wanted to know the basic principles. The most sensitive part of my circuit is the real-time-clock and the oscillator. But the ground planes are described in the datasheet. So really its just calculating traces widths and clearances. I'll guess I'll...
  11. Sadlercomfort

    Looking for PCB design information

    Yeah, although the first link does provide some good design points.. i was looking for a more academic resource
  12. Sadlercomfort

    Looking for PCB design information

    Hi guys, I'm looking for some articles or reliable resources which explain how to design a professional PCB and good practices. I need to research these for my project, so they need to be reliable but can't find anything.. there's a few books online but I can't buy them. I've already...
  13. Sadlercomfort

    PCB building

    Can't complain with that ;) you should give yourself credit, it's easy to criticise your own work. It's hand made but it doesn't get much better than that.
  14. Sadlercomfort

    PCB building

    The other two pictures have only just popped up. Looks amazing =) the tinned copper looks really professional
  15. Sadlercomfort

    PCB building

    Wow that boards amazing mate.. love the component layer
  16. Sadlercomfort

    PCB building

    Looks good Constantine! :) Very neat
  17. Sadlercomfort

    Rotary Switch

    Found the information I needed :)
  18. Sadlercomfort

    Rotary Switch

    Whats the pinout for this encoder and how do I connect it to the pic microcontroller?
  19. Sadlercomfort

    PCB building

    Nice neat work Constantine :)
  20. Sadlercomfort

    Rotary Switch

    I'm not looking a simple method here, it's supposed to be an advanced project. Its a university project
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