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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 RawTechie

  1. R

    Pointers in PIC?

    yeah thanks..anyway, i figured out how to do what i wanted to do. The PIC has an FSR register that acts as a pointer. Simply load the FSR with the address and access the address via the INDF register once the FSR is pointing to the right address.
  2. R

    Pointers in PIC?

    Hi, to the great PIC assembly language programmers out there, i need some help with assembly language. Consider the following code: POINTER equ 0x23 ;so POINTER is pointing to location 0x23 can I get POINTER to point to the next location (i.e. 0x24)? TIA!
  3. R

    Programming the PIC16F877 in c++

    oh right, thanks. i don't really need the object oriented approach, its just that i've used c++ before that's all. anyway, what i meant by a recursive function is a function that calls itself e.g.: function factorial(n) if n=0 then result:=1 else result := n*factorial(n-1) so the...
  4. R

    Programming the PIC16F877 in c++

    Hi, i've got the MPLAB installed and i was hoping someone here can help me figure out how to code the PIC program in c++. Actually, if someone can how me how to code a recursive function in asm that would do as well. because the only reason why i want to use c++ is that i don't know how to code...
  5. R

    4N25 to get 5v output w/out resistors?

    Hi, anyone know how to get a 5 volt output from a 12volt input using a 4N25 or any other integrated device so that I don't have to use a resistor?
  6. R

    Can a PIC drive a relay?

    thanks! do u know if i could get that zener diode/opto-isolator step-down in some sort of transistor array? I have about 8 inputs and a transistor array or integrated circuit would save loads of space. anyway, regarding the earlier question on the PIC driving a relay, for anyone who wants to...
  7. R

    Can a PIC drive a relay?

    I have a 0volt and 12volts output that I need to feed into the PIC, which from what I understand, takes 0volt and 5volts. Does anyone have any suggestions for what I could use as a buffer or step-down converter that is cheap and safe? Preferably some sort of integrated circuit as I need 8 inputs...
  8. R

    Can a PIC drive a relay?

    alright..thanks alot for that!
  9. R

    Can a PIC drive a relay?

    Hi, anyone out there know if I can use a PIC to drive a relay to switch a 16V a.c. power supply? Or anyone knows if I might face some unexpected troubles doing that?

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