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6.7K Stars 4.1K Forks GNU Lesser General Public License v2.1 1.3K Commits 368 Opened issues


Arduino core for the ESP32

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Arduino core for the ESP32

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ESP32-S2 and ESP32-C3 Support

If you want to test ESP32-S2 and/or ESP32-C3 through the board manager, please use the development release link:
and install the latest 2.0.0 version.

Development Status

Latest Stable Release Release Version Release Date Downloads

Latest Development Release Release Version Release Date Downloads

Installation Instructions

Decoding exceptions

You can use EspExceptionDecoder to get meaningful call trace.

Issue/Bug report template

Before reporting an issue, make sure you've searched for similar one that was already created. Also make sure to go through all the issues labelled as for reference.

Finally, if you are sure no one else had the issue, follow the ISSUE_TEMPLATE while reporting any issue.


Pin Functions



Sometimes to program ESP32 via serial you must keep GPIO0 LOW during the programming process

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