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Support Forum » USB to Serial adaptor

January 11, 2011
by tomroth
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I have a USB to serial adaptor for my computer that I use for work. If I connect pins 2, 3 and 5 (tx, rx, gnd) to the MCU, will that still work to send my program to the MCU? I know I'm not sending +5 volts, but I use external power anyway.

Thanks!

Tom

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