The boards comprised in @DrAzzy 's ATtinycore are unavailable for download? I use this additional boards manager url: https://drazzy.com/package_drazzy.com_index.json When trying to install ATtinycore using Boards Manager I get a download error. I had to copy the boards files from my other compu…

They are now being maintained by another forum member. Lemme dig out the announcement for you... [image] TinyCore - a new Arduino core for classic ATtiny chips 3rd Party Boards Hi! I'm the creator of several popular 3rd party Arduino cores such as MiniCore an…

An alternative: [image] TinyCore - a new Arduino core for classic ATtiny chips 3rd Party Boards Hi! I'm the creator of several popular 3rd party Arduino cores such as MiniCore and MightyCore . Recently I've been working on a new project I'm excited to share wi…

[image] van_der_decken: An alternative Not exactly an alternative, more a "direct line of succession". It's @DrAzzy 's code under new management. :wink:

If this relates to your other recent question, you should be able to find platform.txt on github.

Dr Azzy ATtinycore: boards unavailable?

Development Tools IDE 2.x

PaulRB May 3, 2026, 5:14pm 2

They are now being maintained by another forum member. Lemme dig out the announcement for you...

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Where are cores for ATTiny IDE 2.x	16	401	January 1, 2026
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Dr Azzy ATtinycore: boards unavailable?

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