Back in 2011, Elektor presented a DIY Ultrasonic Directive Speaker using an array of piezo ultrasonic transducers (up to 200) ...

The IC's compact package, low power consumption, and support for certain frequencies in the UHF band make it ideal for small ...

Figure 1 TV power-ON aid circuit. Connect mains power to J1. Take power to TV from J2. Connect power supply pins of U2, U3, ...

The regenerative radio is long-ago superseded in commercial receivers, but it remains a common project for electronics or ...

Well Cleaners Early Warning System (EWS) Copy link Watch on 0:00 / 3:01 ...

Since their invention more than a century ago, crystal oscillators have been foundational to electronic design. They allow for precise timekeeping for the clocks in computers as well as on our ...