Tom’s Hardware: Raspberry Pi Pico Piano Helper Lights Up Keys to Teach Songs. “You can learn a lot about tinkering with microelectronics, but now, thanks to Adrian Cruceru’s latest Raspberry Pi project, you can use microelectronics to learn how to play the piano. A Raspberry Pi Pico microcontroller drives his RP2040 Piano helper project and can be programmed to help students learn any song they like. Just follow the LEDs and press the corresponding key to play new songs on the fly.”