Cannot get Board Manager to show the microcontrollers attiny84 and 85

pert · May 20, 2018, 1:31am

Please follow these instructions:

SpenceKonde/ATTinyCore/blob/OldMaster---DO-NOT-SUBMIT-PRs-here-Use-2.0.0-dev/Installation.md

Supported IDE versions
============
ATtinyCore (Universal) works with all versions of the official IDE (from arduino.cc ) from version 1.6.3 onwards. For boards manager installation, 1.6.4 or later is required. Due to serious bugs, 1.6.6, 1.6.7, 1.6.8, and 1.6.10 are not recommended. Version 1.8.9 is recommended.

Boards Manager Installation
============

This core can be installed using the boards manager. The boards manager URL is:

`http://drazzy.com/package_drazzy.com_index.json`

1. File->Preferences on a PC, or Arduino->Preferences on a Mac, enter the above URL in "Additional Boards Manager URLs
2. Tools -> Boards -> Boards Manager...
  *If using 1.6.6, close boards manager and re-open it (see below)
3. Select "ATTinyCore by Spence Konde" and click "Install".

Due to [a bug](https://github.com/arduino/Arduino/issues/3795) in 1.6.6 of the Arduino IDE, new boards manager entries are not visible the first time Boards Manager is opened after adding a new boards manager URL. If you are still using this version of the IDE, you should update. It is ancient.

Manual Installation
============

This file has been truncated. show original

If you run into any problems, come back with a detailed description and I'm sure we'll be able to help you out.

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Cannot get Board Manager to show the microcontrollers attiny84 and 85

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