Optiboot (an older version) is installed by default on the Arduino Uno and (as of 2018) official Arduino Nano boards. It can be installed on all older mega8, 168 or 328 based Arduinos. As of 2019, ...

This repository contains the source code of the Arduino IDE 2.x. If you're looking for the old IDE, go to the repository of the 1.x version. The Arduino IDE 2.x is a major rewrite, sharing no code ...

In this tutorial, we will learn how to install multiple versions of the ESP32 board package in the Arduino IDE. Once set up, you’ll have the option to choose a specific version of the ESP32 package ...

Arduino IDE一直都是专业级和业余爱好者常用的开发工具，提供简单易用的方法，来帮助初学者快速构建电子原型。 但是，在某些情况下，你可能需要更多的控制和定制能力，因为只有这样你才能实现更高级的应用程序。