| The following principle applies to ultrasonic sensors. But it also works in the audible range with two piezo transducers.
| The following principle applies to ultrasonic sensors. But it also works in the audible range with two piezo transducers.
| A standard electret microphone and a single-transistor amplifier provide an audio signal that can be processed by an Arduino’s analog input....
| The two-finger organ is a musical instrument for adepts and is just about as difficult to play as a Theremin.
| Attention, audio lovers! What started as an Elektor Jumpstarter project is now the Elektor Fortissimo-100 Power Amplifier Kit. Check out the...
| Professional-grade equipment for characterizing and developing audio equipment is usually beyond the means of a hobbyist lab. However, it is...
| Pre-order now! High-End, THD+N 0.0008 % at 50 W/8Ω, Max power (THD 1%) 98W/8Ω 188W/4Ω, Solid module, all THT components, ThermalTrak power t...
| What would be the best power supply for a Raspberry-Pi-based audio streaming system? One that doesn’t introduce any noise and that is stable...
| Let's review a few interesting Elektor articles from previous May editions. We've got something for everyone, including the DIY LiPo Superch...
| To build an FM receiver, developers can use highly integrated chips, such as the TEA5767 from NXP. Here we describe an FM receiver with a fr...
| Looking for a small and compact sound card for a Raspberry Pi? Check out the IQaudio Codec Zero, which has a Zero form factor.