The best way to program the Arduino Pro Mini is with the FT232RL TTL converter. Just install the FTDI drivers and you’re all ready to program. No need to solder on pins. Just slide the Arduino over the pins of the ft232rl and hold it while you upload.
Features:
- Support 3.3V, 5.5V
- Chipset FT232RL
- USB power has over current protection, using 500MA self-restore fuse
- RXD/TXD transceiver communication indicator
- Pin definition: DTR,RXD,TX,VCC,CTS,GND