Upload to arduino

Hi. Have read about uploading to arduino projects with rx, tx pin? How do I do that? I want to do this with my arduino chips on breadboard..

Best way to do that is with a FTDI breakout board or some sort of USB2UART breakout board.

http://arduino.cc/en/Main/USBSerial http://www.adafruit.com/products/284 http://www.adafruit.com/products/70

You will want the DTR for auto reset.