Coolest Projects 2026 opens globally for young makers; a free online showcase that matches International Day of Education’s youth-led theme.

International Day of Education on January 24 is a good time to see why Code Clubs work worldwide: local delivery, shared values, and learner-led making. International Day of Education today, January ...

Microcontrollers for Kids shows a classroom-tested path from Scratch to Open Roberta to Arduino UNO, with printable coding ...

Measuring dynamic currents with an oscilloscope is challenging, but this updated differential current probe makes it simple ...

With loudspeakers, an important parameter is the frequency at which their cones resonate. This clever Arduino-based tester ...

Benchtop EMC testing: why ferrites barely help, how to split common- vs differential-mode noise, and the two-inductor fix that works.

Almost all commercially available microphone amplifiers draw their power from a 48V phantom power supply. If this is unavailable or unsuitable, the solution is to build a self-powered amplifier.

Elektor’s book, Apple Macintosh, explores the machines that reshaped personal computing — from the 1984 original to today. Packed with photography and engineering insight by Giovanni Becattini, it’s a ...

ESP32-E22 Wi-Fi 6E is Espressif’s first tri-band Wi-Fi 6E co-processor, adding dual-mode Bluetooth and offloading protocol ...