Open Electronics

Arduino UNO Q pairs a Qualcomm Linux processor with an STM32 real-time microcontroller on the classic UNO form factor, bringing AI and edge computing to the maker community.

Learn how to build a Bluetooth-controlled fire truck using the Arduino UNO R4 Minima board, an HC-05 module, and a water pump. This step-by-step guide covers components, assembly, programming, and testing.

An overview of Arduino's evolution from an open-source maker project to a complete family of single-board computers used in industrial and professional settings, with a look at the main board families and a dedicated white paper.

Espressif has announced the ESP32-E22, its first Wi-Fi 6E SoC designed as a radio co-processor for high-performance connected devices, featuring tri-band Wi-Fi 6E, Bluetooth dual-mode, and a dual-core RISC-V processor.

This article shows how to drive a large WS2812B LED ring with a Raspberry Pi Pico or Pico 2, creating festive light effects and even using the ring as a low-resolution display.

Discover Angelo, an open source portable audio amplifier designed to improve communication with elderly or hearing-impaired people. This project combines simple electronics with a human-centered approach, making it easy to build, customize, and use.

Iteration3D is a French web platform that generates customizable 3D models for printing, using a parametric engine to create models on demand based on user specifications.

Learn how to set up a virtual machine with VirtualBox and install Ubuntu or Kubuntu safely, from downloading the software to enabling Guest Additions and optimizing performance.

Discover AirForce, a fabrication system from Hasso Plattner Institute that uses a single inflatable tube to build large animated structures, including an eight-meter robotic dinosaur you can assemble alone.

An overview of flexible and printed electronics, two technologies that are changing how circuits and electronic devices are designed, from medical wearables to automotive sensors.

A modular 3D-printed frame turns a 32×32 LED matrix into an interactive wall or desk display, with support for an ESP-WROOM-32 and a MAX4466 or MAX9814 microphone for audio-reactive visuals.

This article describes a GSM-based emergency call system with an RF receiver that sends calls and SMS to pre-programmed numbers when a small wearable transmitter is activated. It is designed for elderly people and bedridden patients who need to call for help with a single press of a button.