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Recent content by cacing

  1. C

    Requesting Help for PIC 16F877 on elevator

    @poorcha: actually i duno also.. before that i havent try connect it to the circuit, den i connected it the other day.. except for a lil programming problem which i already solve it.. others was ok.. :)
  2. C

    Requesting Help for PIC 16F877 on elevator

    thank you guys for the useful information given :) my circuit is now success.. thanks every1 for the help, appreciate it =D
  3. C

    Requesting Help for PIC 16F877 on elevator

    @poorchava: i am using pickit 2 as my programmer.. and capacitor i am using 22pF for my oscillator.. i am using crystal oscillator.. i guess that's ok right?
  4. C

    Requesting Help for PIC 16F877 on elevator

    @poorcha: now i understand what u mean by it.. so u have any ideas how to prevent that? but the main problem now for me is.. i cant even get an output from my circuit..
  5. C

    Requesting Help for PIC 16F877 on elevator

    @poorcha.. i'm sorry.. seriously i still dun get u.. sorry :( are u trying to say how do i make sure my button is active high or active low status?
  6. C

    Requesting Help for PIC 16F877 on elevator

    @ barry & zasto : thx for the useful information given.. i will test the circuit in uni tomorrow.. if there's still any question i will post here and hope u guys could help me by providing more information needed.. really thanks a lot.. @poorchava: what do u mean by switch debouncing method? i...
  7. C

    Requesting Help for PIC 16F877 on elevator

    This is my updated circuit diagram.. can help me check whether i still made any mistake in my diagram? thank you so much =) ---------- Post added at 02:58 ---------- Previous post was at 02:49 ---------- btw.. i am using a pull up resistor.. not pull down as suggested by my lecturer.. i guess...
  8. C

    Requesting Help for PIC 16F877 on elevator

    @zasto.. now i got what u mean.. thx so much.. i will try again the testing.. i guess thats the problem why my circuit is not working.. i will update u all soon.. thanks ppl
  9. C

    Requesting Help for PIC 16F877 on elevator

    @barry: ohh actually.. i do have resistors for my push button and reed switches before it's connected to my VDD.. it's in my original circuit but when i posted it up here.. it doesn't appear.. sorry i just realised that.. my bad.. does this answer the question for zasto? i am quite a newbie...
  10. C

    Requesting Help for PIC 16F877 on elevator

    i am not using pull down resistors.. i am using N/O push buttons and my reed switch are N/O as well... when the elevator car pass by the reed switch.. it will make the reed switch close circuit.. therefore stop the elevator at the required floor..
  11. C

    Requesting Help for PIC 16F877 on elevator

    alright.. i will try it out.. from the previous post of urs: "Since you already have hardware built, you can use the debugger to test your software and hardware together. Put a breakpoint at the place where the code jumps to the "motor on" state, and you should see the software stop at that...
  12. C

    Requesting Help for PIC 16F877 on elevator

    yup. the reed switches act as sensor.. detecting the elevator.. thats why my program need to check on reed switches everytime after the push button input is being pressed. or do u want to have a look at my complete programming? and u can give me some feedback regarding it..
  13. C

    Requesting Help for PIC 16F877 on elevator

    @barry: yeah now i understand what u mean.. i will add another line to complete my flowchart.. thanks a lot.. regarding the testing of simulation i will try it out... hopefully everything work successfully.. @alertlinks: the switches part are correct, the reed switches is to stop my motor...
  14. C

    Requesting Help for PIC 16F877 on elevator

    @ucsam: now i have done my programming and everything and just left with the testing parts.. still checking out and finding ways to solve the problems occurs which cause my circuit not success.. @barry: the states of my switches are verified N/O already.. and initial i am using 12V supply to...
  15. C

    Requesting Help for PIC 16F877 on elevator

    this is my flowchart.. basically mu hardware is just using Reed switch, 3 N/o push button, voltage regulator, a 12V power Wiper motor. i am just making a simple up and down elevator for 3 floor which is Ground, first floor and second floor. @barry: my software i tried on MPLAB the...

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