[Tyler Bletsch] sent us a tip about his new build: a keyboard that redefines “coin-operated.” The Nickelphone can emit square wave tones via a piezo buzzer, but [Tyler] made this 25-key piano as a ...

Renesas’ RL78/L23 16-bit MCUs provide segment LCD control and capacitive touch sensing for responsive HMIs in smart home appliances, consumer electronics, and metering systems. Running at 32 MHz, ...

We’ve seen capacitive touch organs manifest in pumpkin form. Though they are a neat idea, there’s something about groping a bunch of gourds that stirs a feeling of mild discomfort every time I play ...