Mac SE/30 battery leak damage can be terminal; Adam Wilson shows why corrosion wins, and how a replacement logic board rebuild brings an SE/30 back.

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

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

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

Passive components from Panasonic form the foundation of many modern mobility solutions: supporting the operation of electric ...

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

Machine learning enables real-time PCB defect detection using a FOMO model on a Raspberry Pi. Learn how with this ...

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 ...

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

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 ...

Precision picoammeter webinar on picoamp current measurement, leakage and noise control, plus automated I–V sweeps with Johannes Sturz.

Most PC “mic” inputs are pretty average for noise and distortion, and they’re usually mono. Plus, they can’t properly take balanced, pro microphones that often need 48-V phantom power. This ...