I’ve been testing out the RYB2340 Bluetooth module, and it’s honestly one of the simplest ways I’ve found to add wireless ...

Making your own FM radio is practically a rite of passage for hackers. How about making a small FM transmitter? Originally designed by the Japanese multimedia artist [Tetsuo Kogawa], this simple FM ...

We’re always searching for the coolest biohacking projects all over the web, so imagine our excitement when we ran across [marcvila333’s] wearable biometric monitor on Instructables. This was a ...

Just when I thought I was out, they pull me back in.

Fiio has more than 10 MP3 players in its arsenal, starting from just £50, and even a portable cassette and CD player. The JM21 is one of its cheaper hi-res models and offers a meaningful audio upgrade ...