TTL UART to USB Converter Using FT232RL
If you're going to publish circuits on the Internet, your blog, it's important that they work. Otherwise people come here and post that it is not working, whaaaa why? and waste a lot of people's time.
Copying datasheet circuits and then adding mistakes is really annoying.
Why does your PCB not match your schematic? Where's the switch, what does it do? Missing resistors on USB DP, DN, electrolytic capacitor etc.
I thought for 3.3V logic interfacing, VCC I/O connects to 3.3V ? Why do you leave VCC I/O not connected.
FT232R datasheet