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Old 10 July 2015, 17:23   #102
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Join Date: Mar 2012
Location: Norfolk, UK
Posts: 573
Originally Posted by kolla View Post
Ah yes, I see now it simply has a 4 pin connector for RS232 and/or MIDI. I will simply just install a DB9 and a switch to flip between them.
You will also need an RS232 line driver (Max3232 or similar) - those pins are connected directly to the FPGA, so directly applying RS232 voltages will fry the FPGA. If you just want to connect it to a PC, however, you could use a USB serial/TTL adapter, as long as you pick one that uses 3.3V levels, not 5V levels.
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