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Old 05-26-2016, 09:31 AM   #125
knc1
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Quote:
Originally Posted by Galunid View Post
I've got some more questions about https://www.pololu.com/product/1308
Why are there two RX and TX?
Should any of the other pins be connected to something other than in the guide?
And where does the converter board get the power from? Is it from PC, or from Kindle?
Does it affects kindle's battery in any way? Thanks for any help!
Convenience
They are the same signals, just the physical layout matches two common pinouts.

What guide?

You only need Tx, Rx, Gnd and the reference input - **AFTER** you make the modification to board described at the linked-to page.

Read (and follow) the "Using a different VIO" section of the page.

(You do not mention what model Kindle, so I am assuming you mean one of the touch-screen models - which are 1.8v I/O).

The USB cable.

No.
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