Objective Development Forums

Hey maxi. I'm not expert for USB but why ?????? if enable interrupt for RFID (T0 interrupt is enable) and read RFID TAG on the real time still can send data from USB in to MCU , why Because INT0 has greater priority than T0 and all work good. but if want send data from MCU in to USB then is problem ...

Hi all. I search on the web easy example for USB HID using. But I don't find easy code. question for all. 1. some code use only 2-avr pin some code use 3pin. what is differ 2pin 3pin???? 2.I use cdc - 232 , easy , there are function to read 8bytes from usb and function to write 8bytes, have any code...

Hi. OK . I can start with other project to work with HID but I want use my PCB with out of need program special software for programmers. IF use this CDC-232 project then can use driver and install it as standard serial port . and every can use it or just open hyper terminal and can communicate with...

Hi all. I start with this project http://www.recursion.jp/avrcdc/cdc-232.html and connect LCD (now work) and connect RFID reader (too work but..) , RFID need work in interrupt mode , use T0. But if use it with USB then can send data from MCU in to USB. I need disable T0 interrupt when want send data...

Hi all. I'm new on this forum. I have plan to make small PCB with I2C display ( http://www.sos.sk/?str=371&artnum=64822 ) and RFID 125kHz reader ( http://www.avrfreaks.net/index.php?module=Freaks%20Academy&func=viewItem&item_type=project&item_id=2702 ) for some easy small plastic box...