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Building an e-ink weather display for our home

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Re: Building an e-ink weather display for our home

#71
post #10

I found this guide to converting an old Kindle 4 to display anything from the web super useful. https://matthealy.com/kindle I bought another 3 used kindles for $20 each after getting it to work.

A little correction on that link:

> Left to its own devices, the Kindle will go to sleep after a while, and show its screensaver.

This can be disabled by entering `~ds` in the search bar of the kindle [0]

[0]: https://blog.the-ebook-reader.com/2017/12/31/heres-how-to-di...

Re: Building an e-ink weather display for our home

#72
I got a 7.5 inch wave share displaying my todos from todoist, today. Very easy. A few gotchas.

I ended up ordering a case from thingiverse because the case wave share sells doesn't fit the HAT model.

My goal is to not look at my phone in the morning, so having my todos on eink is nice. When I used paper I ended up with paper lists in 7 places.

Re: Building an e-ink weather display for our home

#73

I got a 7.5 inch wave share displaying my todos from todoist, today. Very easy. A few gotchas. I ended up ordering a case from thingiverse because the case wave share sells doesn't fit the HAT model. My goal is to not look at my phone in the morning, so having my todos on eink is nice. When I used paper I ended up with paper lists in 7 places.

To really scale I think the next step is something that could be run off an esp32, because power and cost are the current scaling limits.

Re: Building an e-ink weather display for our home

#74

Very cool. Shamelessly linking my own weather display: https://github.com/Mrjohns42/WeatherDash Supporting EINK on mine could potentially help make it more visually compelling like yours, but I've done other EINK display projects in the past (see https://github.com/Mrjohns42/DoggieClock ) and screen burn-in was definitely an issue.

> and screen burn-in was definitely an issue.

I find this very surprising, I was aware that you can sometimes get ghosting-effects, but I did not think permanent burn-in was possible on EINK tech.

Re: Building an e-ink weather display for our home

#76

>The picture is from the library's electronics room which has cool gear such as laser cutter, 3D printer, and much more. Amazing! I've never seen anything comparable in a U.S. library. What a wonderful resource. How do they maintain it?

> Amazing! I've never seen anything comparable in a U.S. library. What a wonderful resource. How do they maintain it?

Taxes. I think one big benefit of the Finnish multi-party system is you have less political bickering and more actual doing. Perhaps it leads to more efficient use of tax revenue.

Either case, we have this library (and many more not as fancy).

Re: Building an e-ink weather display for our home

#77
I wish there was a weather station I could purchase that would do 2 things:

Give an hourly (or 2 hour) 24.. or even 12 hour weather forecast, in 6-12-24 chunks. Allow natural scrolling to see hourly forecast for further than 12/24 hours.

Give a 7 day weather forecast. No need to connect with a wind direction sensor or anything fancy, just pull from the weather.com api or anything similar

It would also not show me ads or try to track me or crash. I would even be ok dedicating a full time iPad/other device to display this.

Re: Building an e-ink weather display for our home

#78

> Many existing projects used lower level libraries such as Python Imaging Library, but I opted for HTML and CSS. The development is fast when you can edit the HTML and immediately see the result without rendering a raster image after each iteration. I'd like link to Slint [ https://github.com/slint-ui/slint ] It has a live preview mode so you can iterate fast on the UI, and it is much more lightweight than HTML, so…

> so you could even run it bare metal on a Raspberry Pi Pico (RP2040)

Got any more details on that? Are we talking "takes half of the RP2040 flash just to initialize hello world" or something smaller ?

Re: Building an e-ink weather display for our home

#79
post #78

> Many existing projects used lower level libraries such as Python Imaging Library, but I opted for HTML and CSS. The development is fast when you can edit the HTML and immediately see the result without rendering a raster image after each iteration. I'd like link to Slint [ https://github.com/slint-ui/slint ] It has a live preview mode so you can iterate fast on the UI, and it is much more lightweight than HTML, so…

> so you could even run it bare metal on a Raspberry Pi Pico (RP2040) Got any more details on that? Are we talking "takes half of the RP2040 flash just to initialize hello world" or something smaller ?

You can run pretty complex UI already https://www.youtube.com/watch?v=dkBwNocItGs
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