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Fix some typos and grammar in linux-conf-au-rust-epaper-badge

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Wesley Moore 2019-01-28 20:08:56 +11:00
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content/technical/2019/01/linux-conf-au-rust-epaper-badge.md
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@ -1,5 +1,5 @@
This week I attended [linux.conf.au] (for the first time) in Christchurch, New This week I attended [linux.conf.au] (for the first time) in Christchurch, New
Zealand. It's a week long conference covering Linux, open open source software Zealand. It's a week long conference covering Linux, open source software
and hardware, privacy, security and much more. The theme this year was [IoT]. and hardware, privacy, security and much more. The theme this year was [IoT].
In line with the theme I built a digital conference badge to take to the In line with the theme I built a digital conference badge to take to the
conference. It used a tri-colour e-Paper display and was powered by a Rust conference. It used a tri-colour e-Paper display and was powered by a Rust
@ -193,7 +193,7 @@ concluded that 300 requests per second was was probably going to be fine. `;-)`
### Mounting ### Mounting
When I started the project I imagined it would hang it around my neck like a When I started the project I imagined it would hang around my neck like a
conference lanyard. By the time departure day arrived I still hadn't worked out conference lanyard. By the time departure day arrived I still hadn't worked out
how this would work in practice (power delivery being a major concern). In the how this would work in practice (power delivery being a major concern). In the
end I settled on attaching it to the strap on my backpack. My bag has lots of end I settled on attaching it to the strap on my backpack. My bag has lots of
@ -229,11 +229,11 @@ the last light so I suspect there wasn't much juice left.
</figure> </figure>
On day 2 I had had several people suggest that I needed a QR code for the URL. On day 2 I had had several people suggest that I needed a QR code for the URL.
Turns out entering an IP address on a phone keyboard is tedious. So after talks Turns out entering an IP address on a phone keyboard is tedious. So
that evening I added a QR code to the display. It's dynamically generated and that evening I added a QR code to the display. It's dynamically generated and
contains the same URL that is shown on the display. There were several good crates contains the same URL that is shown on the display. There were several good crates
to choose from. Ultimately I picked one that didn't have any image to choose from. Ultimately I picked one that didn't have any image
dependencies, which allowed my to convert the data into embedded-graphics dependencies, which allowed me to convert the data into embedded-graphics
pixels. The change was a success, most people scanned the QR code from this pixels. The change was a success, most people scanned the QR code from this
point on. point on.
@ -267,8 +267,9 @@ plush [Ferris]. I spoke about [Read Rust].
By the end of the conference the badge showed a count of 12. It had worked By the end of the conference the badge showed a count of 12. It had worked
flawlessly over the five days. flawlessly over the five days.
Small projects with a fairly hard deadline are a good way to ensure it's seen Small projects with a fairly hard deadline are a good way to ensure they're
through to completion. Also a great motivator to publish some open source code. seen through to completion. They're also a great motivator to publish some open
source code.
I think I greatly overestimated the number of people that would interact with I think I greatly overestimated the number of people that would interact with
the badge. Of those that did, I think most tapped the button to increase the the badge. Of those that did, I think most tapped the button to increase the