Making embedded systems accessible to all

Q&A for developers of open-source hardware and software that is compatible with Arduino

Dec 5, 2024 · A bug was introduced in Arduino IDE 2.3.3 that caused operations such as downloading Boards Manager package index files to hang if performed while Serial Monitor or Serial Plotter is open.

When trying to upload the blink sketch to my (unofficial) Arduino Uno, I get the following error: avrdude ser_open () can't set com-state for "\\.\COM3" I have programmed this Arduino before using ...

Mar 18, 2026 · Este es el foro General. Aquí deben postearse los temas cuando no se haya determinado correctamente la categoría que le corresponde a su consulta. Habitualmente queda …

Arduino Robot (that must be 2 Leonardo equivalent boards) In the future, I may also build my own boards (Uno equivalent but barebones, without FTDI), hence if an approach also supports these that …

Apr 27, 2026 · Discussion about software tools used for development and deployment of Arduino projects.

Arduino-Makefile (suggested by @adnues answer): this a more advanced project, based on Unix Makefile, that aims to be easily reusable by all Arduino projects; it is documented as working on Mac, …

Sep 1, 2023 · This is a minimal bugfix patch release. If you are upgrading from Arduino IDE 2.1.1, please also check the more significant changelog for the 2.2.0 release:

1 Here is Arduino method to split a String as answer to the question "How to split a string in substring?" declared as a duplicate of the present question. The objective of the solution is to parse a series of …