Elektor 2025 review: projects and articles that featured power and test equipment, embedded systems, wireless, AI, IoT, and more.

Designed by Cirket open-source hardware in China, the ESP32-DIV V1 is a handheld wireless pentesting and experimentation tool ...

Well-known industry author and instructor Jim Johnson is offering a new video for technicians who want to sharpen their troubleshooting skills. "This HVAC training video program, is available in DVD ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

[Andrew Greenberg] has some specific ideas for how open-source hardware hackers could do a better job with their KiCad schematics. In his work with students at Portland State University, [Andrew] ...

This is very much a work in progress, and it is far from being finished. Things that are planned for the future include: Use the current light levels to control the matrix brightness Display alerts on ...

ESP32 (Publisher) → HiveMQ Cloud → Backend (Subscriber) → Supabase PostgreSQL ↘ ↗ Frontend (Publisher) → Relay Commands → ESP32 (Subscriber) ...