Evil floppy drives – English translation » Silent’s Homepage
Howdy! Right here’s an English translation of my previos submit. My English isn’t excellent so there is perhaps some errors .
Summer time holidays are comming to an finish, I’ve handed all september exams and now I’m procrastinating doing a little dumb issues as a substitute ending two different, extra severe initiatives .
Right here’s what polish AGH College of Science and Expertise college students do of their free time. I’d prefer to introduce my one other, completely ineffective machine – a musical floppy drives.
First try:
And now it’s time for the double:
How does it work?
It’s nothing new and it’s quite simple. The sound comes from a magnetic head moved by stepper motor. To make a particular sound, head have to be moved with applicable frequency.
FDD has a easy interface – the outline could also be discovered for instance [ HERE ]. To maneuver the top it is advisable to activate the drive by pulling the DRVSB0 or 1 (is determined by the cable you may have and the connector – discover the crossover on the FDD ribbon cable) pin low after which falling edge on STEP pin makes the top transfer one step in route depending on DIR pin state.
An ATMega microcontroller is producing these frequencies and it makes the drives play music.
Now it’s tome to name some older buddies (5,25′ or 8′ drivers) and make an orchestra!