Continue to Site

Welcome to EDAboard.com

Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.

Register Log in

Recent content by viostan

  1. V

    problem programming PIC 16F877A using Ponyprog

    Re: ponyprog programmer Hi Raghavendra, I stopped trying. Built myself another programmer, different schematic, with a MAX232 (the best way to comunicate thorough serial port i think) which works fine everytime. Regards,
  2. V

    vdo cdr 500 display protocol

    vdo cdr 500 Hello to all, I have vdo cdr 500 cd player. I installed it on a car other than opel. inserted the code, everything went well. Only problem is i'm working blind. The display is in the dashboard of the original opel car. Can anyone help me with the display protocol, and which pins...
  3. V

    problem programming PIC 16F877A using Ponyprog

    ponyprog programmer Hi, i have attached the schematics of the board, and it's PCB layout. it is only one board, all on it. At this moment are missing from the board the folowing components: R16, C2, C23. I just thought i should try without them. No result. Jumper JP3 is not connected (left as...
  4. V

    problem programming PIC 16F877A using Ponyprog

    ponyprog board Hi, i am using 18V stabilized external power supply. The voltage on mclr is exactly 12.81V and stays like that all the process (read or write). it goes to 0 after the read operation best regards!
  5. V

    Proteus ISIS simulation: the cpu is overloaded

    proteus analogue timestep is too small Hi. When simulating, isis usualy does not do well with analog componets, especially LEDs, 7segment displays, bargraph, things that light. Try to modify from System->Set Animation Options menu the frame per seconds and timestep per frame. You might not get...
  6. V

    problem programming PIC 16F877A using Ponyprog

    ponyprog write failed Hi, I am new on the forum. I have a small problem programming a PIC 16F877A. I built myself a ponyprog serial programmer for PIC MCUs and i2C memories. It reads the pic ok, but i cannot write on it. I can write one byte anywhere on the chip, but if i try to write more...
See more

Part and Inventory Search

Back
Top