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Recent content by isabella

  1. I

    something wrong with lcd initialization

    I have figured out a way to get it working, it displays perfectly. I noww have one more problem, can some one help me with a macro to display strings? I have to display 100 sentences, so I figured 100 truthtables. I'm working with mplab assembler pic16F877. It must take as little memory as...
  2. I

    something wrong with lcd initialization

    Can someone have a look and tell me what is wrong with this code. The lcd does not want to display anything
  3. I

    pic18f with lcd display

    Hi all, is there anybody that can give me an example of code to control and initialize an lcd display in assembler language.
  4. I

    program a pic using wiz-c pro

    I wrote the code, simulated it , now I want program a pic18f677a to test on the hardware. I have no clue how to do it
  5. I

    program a pic using wiz-c pro

    Hi all! I recently started to use wiz c pro for writing software, I simulated my current project and it works perfectly, my question is...how do I get the code on the pic? Can someone help...please?
  6. I

    saving batteries on machine

    When a certain machine’s engine is off but the ignition is still at the on position, the lights, screens etc. still work. There is nothing wrong with that, the problem is when the lights is left on too long, the batteries gets flat and it takes a lot of effort and time to boost the batteries for...
  7. I

    using max7219 for seperate switching

    Hi Brian, How is your project going? I hope well. I know you are very busy, but have you by any chance had time to look at my project idea? Thanks Isabella
  8. I

    using 40x4 lcd display with wiz c programming

    hi all, i am busy writing a program in wiz c pro, but i am worried about the lcd im using. when i simulate it in the program it cannot display the caracters in the 3rd and 4th lines. the lcd has two enable lines, i know that has something to do with it, but in wiz c i cannot initialize the...
  9. I

    using max7219 for seperate switching

    Brian, that exactly what I had in mind...I think the fault must be displayed on a lcd, because the "tester" is going be portable. Let's take the following as an example to work with : Plugpin 1 to boardpin 6 Plugpin 2 to boardpin 5 Plugpin 3 to boardpin 1 and 4 Plugpin 4 to boardpin 2 and 3...
  10. I

    using max7219 for seperate switching

    oh no! that sounds terrible! I hope your luck with the weather changes soon. Allright, let me answer your questions: 1. All fault conditions can be detected, simply by stepping the voltage trough all of the pins, and then determining if the correct pin is on and if there are any other pins that...
  11. I

    using max7219 for seperate switching

    I got caught up in other projects. yes, im using the same design as before. thanks for the help. isabella
  12. I

    using max7219 for seperate switching

    hi brian, I bought myself the WiZ-C software and have been using it for a while now, it works great! Can you send me that sample code for the shift register application we've been discussing? thanks
  13. I

    3X4 keypad + LCD display

    I'm using pic 18f4520
  14. I

    3X4 keypad + LCD display

    Hi guys! I am using a 3X4 keypad and an lcd display for this project. Its quite simple. When a number is pressed on the keypad, a certain message must be displayed on a lcd screeen. Example: 10. = hello world, 11= goodbye world. The # key is ENTER and the * key is CLEAR. Can someone help me...
  15. I

    using max7219 for seperate switching

    I actually want to use a larger pic with 4 ports, seeing as I'm going to need some inputs for other features. Thank you, good luck with you project, I'll wait for your reply. P.s I'll see what I can do to get the WIZ C . I'll let you know
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