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Originally Posted by peter68
I use a USB keyboard connected through an OTG cable. I switch to A2 mode, that gives less ghost effect and it seems faster. I have installed IAWriter, so that I can format the text in markdown without using the mouse, and I can use it along with dropbox to synchronize with my computer.
The only problem is an annoying delay while typing. It's really short, but since I type quite fast, I can detect typing errors only after I have typed 4-5 new characters. So, I must go back with my cursor and correct typos, rather than simply deleting the last character.
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I tried a similar set up: USB keyboard via a hub connected w/ a 'special' cable and iA Writer (nice app, thanks for mentioning it, BTW).
Though I doubt I type as fast as you do, I notice a lag and that there are 4 or more characters on the screen to back up over to fix things -- in my case, I wonder how much of this is due to delay and how much is due to slower reflexes. I tried to compare the experience with typing on a PC, and there I find that the number of characters I end up having to back up over does seem smaller -- possibly 2 or more characters on average.
I don't know if it's of any help, but would using Control+Left improve the situation at all in backing up to the start of words? Admittedly, this would mean retyping words from their beginnings...
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Do you think that this could be improved using a writing app specifically designed for e-ink devices? Is the problem due to the fact that apps on Google Play store are not optimized for e-ink?
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I'm interested in hearing what mdp has to say about this

[LOL, he got here before I finished this post I see...]
My guess from doing some limited testing (for detecting the stylus, touch, and mouse) is not that the input isn't arriving soon enough, but that it's what happens subsequently that is mostly responsible for the delays we are experiencing.
FWIW, Onyx provides an API for stylus use that dramatically improves things, but I didn't come across something for other modes of input. Perhaps someone else knows better.
The technology is so tantalizingly close to something great...