Adapters
USB adapter to 4x Serial COM(TTL), Dynamixel, JTAG, SPI, I2C

P/N: USB-AD43
The universal adapter USB-AD43 allows your PC to communicate with Dynamixel / Bioloid bus devices (AX-12, AX-S1, IMU, etc), provide 4 serial ports(COM) with TTL levels(0-5V), I2C standard interface, SPI interface, JTAG interface, an Enhanced Bit-Bang Mode interface and a Pony Programmer adapter (the famous memory / microcontroler programmer) at speeds of up to 12Mbaud, with complete driver support across Windows, Mac OS X (including both Intel and PPC), Linux and many other operating systems.
$34.95