Electronics engineer Ravinder who has been working in the embedded industry for past 10 years developing products based on Raspberry Pi, Raspberry Pi Pico, Arduino, Jetson Nano and others. Has taken ...

[Felipe Navarro] wanted to add a few serial ports to his computer, but couldn’t find an adapter that suited his needs. So, he built his own. His Quad Serial device is a nicely designed converter that ...

What is the easiest way to get audio from a WAV file into a line-level format, ready to be plugged into the amplifier of a HiFi audio set (or portable speaker)? As [Konrad Beckmann] demonstrated on ...

I saw a request about how to interface an audio signal with a microcontroller for logic level switching. I started thinking a lot about it and found some quick fixes. This post has my ramblings about ...