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.

38 No. You can draw power from the 5v and VIN pins on the arduino. VIN is the completely unaltered input power before the regulator (it will be useless if regulated 5v is supplied directly). Outputting …

Sep 26, 2024 · Arduino IDE loads the data from the configuration files on startup. If the user edits the configuration files while Arduino IDE is running, those changes won't take effect.

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, …