Search found 20 matches

I already found a document, which contains the table for the scancodes used for hid divices, such keyboards.

thanks.

Hello, I'm using the usb example "ex_usb_kbmouse" to emulate a PC keyboard with a PIC microcontroller, the thing is that I want to send a "Space command" like if somebody have pre ...

Well, I did change the pic for another 4550, but yesterday I tried using a 4455 which is almost the same as the 4550 and I left it all night and until now it still working fine.

Thank you for your ...

I'm using the MCLR pin as input, and of course it has the Xtal capacitors

thank you everyone. I will check everything you have mentioned.

Thank you very much again.

Does it fail when you touch something or slide something?
The system is working fine, and I have checked every hour and still works, so I leave the system works for all the night and in the morning i ...

thanks for your reply.

1. Problems in the crystal oscillator circuit
I don't think that was a cristal problem, because starts work fine for 3 hours but suddenly it stops.

2. Forgetting to ad ...

hello I have a little problem with a hardware I developed.
I'm using a pic18f4550 is kind a large amount of code, and when the hardware start works great, but after a couple of hours it suddenly stop ...

here is my code. i'm not using the eeprom of the pic.
#include <18F4550.h>

#fuses XTPLL,NOWDT,NOPROTECT,NOLVP,NODEBUG,USBDIV,PLL1,CPUDIV3,VREGEN
#fuses BROWNOUT, BORV28, NOCPD, STVREN, NOIE ...

I'm using the PIC18F4550 and also I've tried the PIC18F4455 and the same result with the two pics, I 've done a led program with the 18 pic and works fine.

I developed a rfid reader using the em409 ...

I compiled the program in another version, (a friend of mine has 4.033 version) and I still don't get anything. so I really can't imagine what could it be, because in the pic877 works perfect. and I d ...

I'm working with 4.013 version for PCM and PCH

does anyone has worked with the em4095 and a pic18 series.
I worked with a pic 16 and works fine, but when I changed to the pic18 the code does not work. it does not decode the tag, or recognize it. ...

I'm doing a test program to send and receive data over the usb port. I already did the receiver part and it works fine I receive 5 bytes from the pic and I can see it in the PC, but the problem is whe ...

well I'm working with USB and I'm using the descriptor that comes wiht the compiler ( usb_desc_hid.h), but I'm want to send 5 bytes instead of 2. the descriptor provided in the compiler sends 2 bytes ...