This is an audio A/B selector with gain control. The project uses op-amps and resistors to smoothly switch between microphone and line inputs.

Switching to an EV can already save you about $1,500 a year on gas and maintenance, but installing a charger at home can ...

Norris takes title lead as virtual safety car hurts Verstappen and Piastri - Follow live F1 updates from the Autodromo ...

We were treated to an interesting race here in Mexico City, not just in terms of the on-track action but also because we saw ...

Technics ends the SL-1200/1210G run with two Grand Class Master Edition turntables in black or silver with even better performance and fancy gold accents.