A small portable device featuring timer, clock, and calendar functions, equipped with a simple and functional interface and a truly long battery life.

Bei einer DC-Last hat man die nicht zu unterschätzende Herausforderung, die in den Endstufen Transistoren entstehende Wärme abzuführen. Versuche mit durchaus großen passiven Kühlkörpern führen schnell ...

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.

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 ...

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

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.