Physical password manager that lets users type their passwords with the turn of a key.

A circuit of a digital clock to control the rotation of the servo using RTC library.

This week we are starting a new phase of design.

Finished the circuit design and still struggling with the fabrication for MIDI project

This week I used the newly arrived turn table to refine my design. It works better!

This week I tried the MIDI-USB library to let the computer sing Hedwig's Theme song.

I changed my mind to make an instrument. Here's the new idea.

Finally, a music box that can sing melodies as well as mixing sounds through light.