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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 SwingeyP

  1. SwingeyP

    12f683 - Shifting with 74HC595 HELP please!

    Doh! - Fixed it! Sorry guys, wood for trees and all that. Can't have MyData= Mydata(o) and expect it to sort it out. Data=Mydata(0) is the way :-) I'm and eejut! Regards - Paul
  2. SwingeyP

    12f683 - Shifting with 74HC595 HELP please!

    Hello again. Can anyone explain this weird happening please. The attached code is running on a 12f683. If you run this in simulation with the LED tool connected as follows: LED 1 - RED - GPIO 0 - Latch LED 2 - Green - GPIO 1 - Data LED 3 - Yellow - GPIO 5 - Clock On first pass I get what I...
  3. SwingeyP

    PWM 74HC595

    Ok after a little more research it looks like the TLC5940 is the answer. Does anyone have any sample code for controlling this chip? Cheers - Paul
  4. SwingeyP

    PWM 74HC595

    Hi again, Not been doing a lo lately (40m transceiver is still coming along - various design changes) Anyway, I new challenge. I want to control 8 LED's (to start with) and turn them on and off in a defined pattern. (lets start with knight rider). Fairly easy! Ok now I want to use the...
  5. SwingeyP

    LJ Electronics ATLAS robot

    I'll see if i can find it. I know I have an electronic copy somewhere.
  6. SwingeyP

    A quick question.

    Thanks Ian. I'll have a play and see what I come up with. Sometimes it just helps to share your thoughts. Cheers - Paul
  7. SwingeyP

    A quick question.

    helpful :-)
  8. SwingeyP

    A quick question.

    Does this thinking make sense? I want to light some led's in a kind of random sequence after a set time until an interrupt occurs. This is my thinking does it make sense? on interupt switchalloff call waittime loop: call lightleds goto loop end ______________________ waittime: wait 3 mins...
  9. SwingeyP

    MINIMUS AVR

    Thanks for that. At the time of writing these were out of stock or stupidly prices everywhere.
  10. SwingeyP

    MINIMUS AVR

    Does anyone have any MINIMUS AVR's for sale? I don't know why these things are so hard to find in the UK. Cheers - Paul
  11. SwingeyP

    Muchado about BSU

    The problem is I have no control over the PC program as such. The device MUST behave as a keyboard does. I will be using an off the shelf program that just looks for key strokes. If you haven't guessed already this will be the keyboard encoder with mappings to a games (arcade) machine. There...
  12. SwingeyP

    Muchado about BSU

    Hi Eric. I based my initial tests on your code in the forum 'stickies'. It's extremely useful. It took me a while to get my head around a few things but i'm getting there slowly. I'm still not sure however if the device should be reccognised as a keyboard or if the HID is sufficient. I have...
  13. SwingeyP

    Muchado about BSU

    Hi again. After some bedtime reading on USB I am now more confused than ever. Some questions. How do I define the USB device as a keyboard? Do I need to or will the generic HID do? Do I put the keystroke hex in the report or feature buffers to send to the PC? I'm still unsure as to what is...
  14. SwingeyP

    Muchado about BSU

    Ok so it's USB but that didn't rhyme. :-) I have a little side project that I want to do which is going to use a USB connection to PC. It will be a keyboard HID. There will be 14 buttons. Each button can be mapped to a keyboard key stroke. This will be done via differing program versions For...
  15. SwingeyP

    GPS Data tracker for antenna aiming

    Brain dump. A simple way to do this is to get hold of an old Antenna Rotator. Lots on ebay. The old CDE ones are nice and easy to use. They have a pot in the rotator which matches the pot on a controller. You could convert the controller to have a pic with a look up table that gives voltages...
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