Circuit diagrams for radio amateurs

As you know, the timer is a device designed to automatically connect electronic devices to the power supply or disconnect...

Potentially, headphone listening can be technically superior since room reflections are eliminated and the intimate contact between transducer and ear...

Modern TVs can be switched off after a certain, a user-specified time or at the end of TV shows ("SLEEP").

Come to think about it, it’s a bit strange that range hoods in our kitchens don’t switch on and off...

It is recommended to read the following before designing Saba:About the bass in detailHow to choose a subwoofer?How will the...