USB-to-Serial Adapter
thingiverse
This is a USB-to-Serial adapter designed around the Texas Instruments TUSB3410. The header connects directly to a Xilinx Spartan-3 dev board, and jumpers allow the TUSB3410 to be powered from the USB power or the dev board's 5V or 3.3V rail. I wanted this instead of the more popular USB-to-serial dongles because the IO is logic level (3.3V) instead of +/-15V, and there's no reason to use a bulky DB-9 connector. Instructions This board is designed to be easily fabricated on 1 layer PCB (toner transfer, routed, UV), with a few "top" layer wires. 1) Create PCB 2) Solder components 3) Install driver 4) Connect board 5) Access with your favorite terminal emulator Drivers: Linux: Should be included in the standard kernel OS X: http://e2e.ti.com/support/interface/digital_interface/m/videos__files/198719.aspx) Windows: Most links appear to be dead.
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