Hello! Please help me, I have no idea how to install attinycore by spencekonde, their server seems to be down, I tried some github/sourceforge installs but I never sucseeded and kept getting errors, chatgpt couldn't help me as well. I am using arduino uno R3 as ISP for Attiny85. I need exactly attin…

Can you upload code? I think it's best to stick with 1.4.1 for now.

Have you followed these instructions? Installation.md v2.0.0-devThis-is-the-head-submit-PRs-against-this # Supported IDE versions ATtinyCore (Universal) works with all versions of the official IDE (from arduino.cc ) from version 1.6.11 onwards (we have dropped support for versi…

You are right. I just tried it and it failed. Version 1.4.1 works, must be something wrong with 1.5.x

1.4.1 IDE works or 1.4.1 ATTinyCore?

1.4.1 Attiny Core but the manual download does work, just tried it. Not sure if you want to try the new version 2.0.0

[image] Issue accessing http://drazzy.com/package_drazzy.com_index.json IDE 1.x Hi @petercj . @van_der_decken already provided a link to the solution I recommend, but in case more detailed instructions might be useful, I'll provide them here: Select File > Pre…

Did not work for me. Still can't download any version greater than 1.4.1 There are apperently no download manager packages for versions 1.5.n

Bummer, does not work for me anymore, but with a different error than yous. I can select 1.5.2 , but then it fails on downloading the micronucleus tools as they need to come from the azduino.com server which is not working. [image] So the workaround needs another workaround.

[image] hmeijdam: So the workaround needs another workaround. I'm not sure that I would want to use a version higher than 1.4.1 for now and definitely not version 2.0.0. 1.5.2 was a fix for 1.5.0 and there was no 1.5.1. The documentation for it did not make it sound very stable

I could get it to work only by doing the manual installation of 1.5.2 [image] Release 1.5.2 - New pinout images - and Micronucleus works on Windows again... Quick fix to get Micronucleus working on Windows again, because it was broken there, Let me know if this has caused any issues. …

[image] arduigga: I need to turn on B.O.D which I If you have AVR Programmer, you can use that to configure the BOD fuses. After that you may follow the procedures of the attached file to program the ATtiny85 using Arduino as ISP Programmer. ProgrammingATtiny85 (1).zip (224.2 KB)

Attiny by SpenceKonde

Projects General Guidance

hmeijdam March 11, 2026, 12:14pm 6

Try this workaround.

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Attiny by SpenceKonde

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