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About ao2

My name is Antonio Ospite and I am a software developer based in Naples, Italy.

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Tweeper 1.4.3 released, twitter to RSS conversion is back once again

by ao2, December 28, 2020
in

Tweeper is a web scraper which converts Twitter and other social media websites to RSS.

On December 27th 2020 version 1.4.3 of Tweeper has been released. The tweeper Debian package has also been updated.

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Tweeper 1.4.2 released, twitter to RSS conversion is back

by ao2, July 9, 2020
in

Tweeper is a web scraper which converts Twitter and other social media websites to RSS.

On June 10th 2020 version 1.4.2 of Tweeper has been released. The tweeper Debian package has also been updated.

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Tweeper 1.4.1 released, fixed twitter to RSS conversion

by ao2, September 9, 2019
in

Tweeper is a web scraper which converts Twitter and other social media websites to RSS.

On September 7th 2019 version 1.4.1 of Tweeper has been released. The tweeper Debian package has also been updated.

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Tweeper 1.4.0 released, more Mastodon-friendly RSS feeds

by ao2, November 18, 2018
in

Tweeper is a web scraper which converts Twitter and other social media websites to RSS.

On November 16th 2018 version 1.4.0 of Tweeper has been released. The tweeper Debian package has also been updated.

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Cyclabile, a labile bike lane

by ao2, August 26, 2018
in

Cyclabile is an experiment about showing a moving bike lane on the road: the image moves according to the bike movement, producing the effect of riding on an actual bike lane, even when there isn't one.

The effectiveness of projecting an image on the paving instead of using a traditional light can be argued, of course.

For now the project purpose is more about having some fun and making a statement (there should be more bike lanes) rather than building an actual usable product.

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3D-printed holder for magnetic spheres built with OpenSCAD

by ao2, August 13, 2018
in

When I built the low-cost and precise rotary encoder with magnetic spheres I used 21 spheres because they fitted nicely in the other parts of the build I had around.

However, if an arbitrary number of spheres is to be used then an appropriate holder must be built.

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Linux Device-Tree and gpio-keys driver on BeagleBone Black

by ao2, July 13, 2018
in

I had to wire up a simple navigation keypad to a BeagleBone Black for a prototype, and I used the gpio-keys driver configured via a device tree overlay.

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Tweeper 1.3.0 released, scraping Twitter and Instagram hashtags

by ao2, June 7, 2018
in

Tweeper is a web scraper which converts Twitter and other social media websites to RSS.

On June 6th 2018 version 1.3.0 of Tweeper has been released. The tweeper Debian package has also been updated.

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Low-cost and precise rotary encoder with magnetic spheres

by ao2, May 31, 2018
in

You know what they say that constraints drive creativity, I think this post is just another little example of that.

Usually I do not put time constraints to my hobby projects, but I make sure to have some other kind of constraints, like keeping the cost low and trying to reuse stuff that I already have.

In this case I needed a way to measure the angle and speed of a rotating object for some of my projects, and I wanted a rotary encoder that was inexpensive, but precise enough to work at very low speeds.

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