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Old 02-22-2015, 12:41 PM   #21
amirseni
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amirseni began at the beginning.
 
Posts: 12
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Join Date: Feb 2015
Device: Kindle Paperwhite 1st Gen
I used the cp210x usb to serial adapter. It worked reliably without using a 1.8V level shifter..

It's similar to this one on Ebay

Just plugged the TX, RX & GND pins, left the 3V & 5V pins disconnected
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