Tutorial for hacking a CP2102 USB from ebay and uploading a sketch to an Atmega

hello everyone,
i just bought the cp2102 module and i have installed all drivers for it. i want to upload sketches through cp2102 to arduino uno
i made connections as

cp2102 arduino

DTR RESET
VCC 5V
TXD RX
RXD TX
GND GND

arduino IDE says "done uploading" but i dont see any changes in my uno. i made blink sketch but it didn't show any changes
please help