url2epub
M5Paper_FactoryTest | url2epub | |
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4 | 8 | |
84 | 63 | |
- | - | |
4.2 | 7.8 | |
6 months ago | about 2 months ago | |
C | Go | |
MIT License | BSD 3-clause "New" or "Revised" License |
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M5Paper_FactoryTest
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This is M5Paper, ESP32 device with beautiful e-ink display and touch screen. I made this weather station, indoor data are from builtin temperature and humidity sensor ,outdoor data are fetched from interet. Whole video is in comments!
; https://github.com/VolosR/WeatherM5Paper ; https://github.com/m5stack/M5EPD [platformio] ; So we don't have to have a src/ subdir src_dir = . include_dir = . ; prevents platformio from making an empty one lib_dir = . [env:esp32dev] platform = espressif32 board = m5stack-fire ; ESP32, 16MB flash, 6.25MB PSRAM framework = arduino # From https://github.com/m5stack/M5Paper_FactoryTest/blob/main/platformio.ini board_build.partitions = default_16MB.csv build_flags = -DCORE_DEBUG_LEVEL=4 -DBOARD_HAS_PSRAM -mfix-esp32-psram-cache-issue lib_deps = [email protected] ; ArduinoJson https://github.com/taranais/NTPClient.git m5stack/M5EPD upload_speed = 460800 monitor_speed = 115200
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Zenreader: A 4.7 Inches E-Ink RSS Reader Powered by ESP32
I read the M5paper Factory Test app [1] and it has tons of interesting details.
m5stack has several other example applications in their repo, but I learned a lot from reading their source code in the test app. Their code is quite sane and organized. You just need to be tolerant to their spelling from time to time, I figure English is not their first language (just like me).
1: https://github.com/m5stack/M5Paper_FactoryTest
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I made an E-ink RSS reader with the ESP32/M5Paper!
The epdgui code is from the FactoryTest example from m5stack. As you can see on the github history, I only wrote the RSS reader app.
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I got my M5Paper made by M5stack company. This is my first eInk display board and I love it. Based on ESP32. It have touch screen, SD card reader, RTC, and more. Display is beautiful and so easy to read. Link for whole video is in comments.
I've looked into it. It's not terribly hard and there's already a demo that has this but without the HA integration. The code for the demo is here: https://github.com/m5stack/M5Paper_FactoryTest/blob/main/src/frame/frame_home.cpp
url2epub
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Show HN: CLI for generating beautiful PDF for offline reading
Somewhat similarly, I wrote a web app to generate epub (instead of pdf) out of urls and send to eink reader(s) directly (via a telegram bot) so I can read them. Currently it supports sending epub by email (for kindle) or uploading epub to dropbox (for kobo, etc.). It originally also supports reMarkable cloud but we can no longer make reMarkable cloud actually work. There's also a REST api to generate epub to be downloaded directly: https://github.com/fishy/url2epub/blob/main/REST.md
For e-ink readers epubs are generally better than PDFs for urls anyways, as epubs are basically packed htmls, and also the flow text works better on smaller screens.
- Omnivore – free, open source, read-it-later App
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Ask HN: Tell us about your project that's not done yet but you want feedback on
I wrote a service (Google Cloud Run as the backend, with Telegram bot as the frontend) to generate readable ePub from URLs and send directly to e-ink readers. It was originally wrote for reMarkable 2 (using reMarkable cloud), I recently added support for Kindle (by using the send-to-kindle emails). The code is at https://github.com/fishy/url2epub and I blogged about the recently added kindle support at https://b.yuxuan.org/url2epub-kindle.
I'm open to suggestions on what other e-ink platforms to add, as long as they have a reasonable cloud API. I'm also looking for a good e-ink platform to move to personally, as it becomes apparent that reMarkable really doesn't want third parties to use their proprietary cloud "API".
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ReMarkable 2
2. It's a relatively open system (compared to other e-ink readers), so it's pretty fun in terms of hackability.
I did get the forever free subscription which helps, but I also totally understand why they would want to charge for that, and I think the new $3/month is a pretty reasonable price for it.
Regarding instapaper use case and also hackability, shameless plug: I wrote https://github.com/fishy/url2epub for my own use case, so instead of relying on a third party service and manually sync stuff to reMarkable 2, I just send the link to the telegram bot (I picked telegram bot so that I can easily send links from my phone, not only desktops), and the epub will be auto synced to my reMarkable cloud account (they did made some changes to the cloud api causing I have to manually open their official mobile or desktop app to sync once before the reMarkable 2 itself would accept the new epub I uploaded through url2epub, haven't figured out how to avoid that yet, but it's still mostly automated).
- Instructions on how to send articles from your iPhone to reMarkable
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Zenreader: A 4.7 Inches E-Ink RSS Reader Powered by ESP32
For reMarkable, I also wrote a Telegram bot to convert http url into ePub and send to reMarkable directly: https://github.com/fishy/url2epub
(if you don't like telegram or don't use reMarkable, it also comes with a public rest API to generate epub out of urls)
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Show HN: Epub.to – ePub to pdf, ePub to mobi, ePub to kindle, and an ePub API
Shameless plug and this is only loosely related: Over the last holiday season I wrote a backend (written in Go and running on App Engine) to convert http url into epub. The frontend is a telegram bot that sends the epub to your reMarkable account directly, but it also has rest api to download the epub file: https://github.com/fishy/url2epub/blob/main/REST.md
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Show HN: Create ePub Out of URL
With the purchase of reMarkable 2, I have this need to easily send web articles to my reMarkable 2 from my phone, while officially they only provided a Chrome extension, which can only be used on desktops.
As a result I wrote some go code (https://github.com/fishy/url2epub) for the past 2 days, to generate ePub from URL. I also implemented reMarkable API to send them to reMarkable tablets directly.
The current UI for it is implemented as a Telegram bot (https://t.me/url2rM_bot?start=1), running on AppEngine (code: https://github.com/fishy/url2epub/tree/main/appengine). I initially considered making an Android app for the UI, but decided that Telegram bot is less work for me, and works good enough for this use case (sorry for people who don't use Telegram, but this also means that people on iOS, desktop, etc. will be able to use it).
For the future, I might do:
- Expand the URLs supported (currently it only supports URLs with an AMP version provided, and the AMP version does have article tag inside)
What are some alternatives?
M5EPD - M5Paper Arduino Library
lines-are-beautiful - C++ File API for the reMarkable tablet