LABVIEW FLOPPY DRIVER

Now that the drives can me sent a tonal frequency and produce a musical note, the next part of the project was to teach the myRIO some musical scores! I'm a student from Cardiff University studying electrical and electronic engineering, currently on my placement year working as a Applications Engineer at National Instruments. See the formula below. This was a very simple process that required no programming what so ever. This project uses a myRIO embedded controller and four floppy disk drives.

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This setup is then duplicated for how many drives you have to wire to the myRIO. Hack a coin operated laundry machine All Features. Hack your electricity meter How To: My name is James Willis. Therefore, two loop cycles is equal to one wave period.

myRIO Student Projects

This project uses a myRIO embedded controller and four floppy disk drives. Make a satellite dish Wi-Fi antenna for free internet How To: Rather, it is a spreadsheet-like set of instructions". I'm a student from Cardiff University studying electrical and electronic engineering, currently on my placement year working as a Applications Engineer at National Instruments. Now that the embedded software both real time and FPGA is developed and the hardware wired, folppy is one final piece laabview the puzzle A MIDI file has up to 15 tracks of messages, each representing a separate instrument within f,oppy song e.

So, for values the read head will go forward writing a digital true on the direction line of the floppy drivethen for the read head will go back a digital false to the direction line.

For example, the note C4 would be a frequency of This frequency value is then passed to the myRIOs floppg FPGA, which generates a digital pulse train used to control the floppy drive motors. Finally, after the myRIO has finished playing a song, the read head must be return back to the starting position, by driving the motor back the remaining steps.

How to Make Music with Floppy Drives & LabVIEW « Hacks, Mods & Circuitry :: Gadget Hacks

See the formula below. Make a Spot Welder for Cheap!

The wiring requirements of myFloppyDriveQuartet are quite simple, because each drive needs just two digital lines—one for step and one for direction. Using this information, I created a custom counters on the myRIO FPGA to ensure that the direction of the motor changed when it reached the start or end of the disk. Batman Arrow How To: Open a power supply without destroying a transformer How To: Share Your Thoughts Click to share your thoughts.

If your interested in doing a placement at NI, have a look at this page. Mod a flashlight into an IR night vision light How To: Labvkew was a very simple process that required no programming what so ever. Now that the drives can me sent a tonal frequency and produce a musical note, the next part of the project was to teach the myRIO some musical scores!

Have any old school floppy drives lying around? The next task is to change the motor direction when the floppy drive's read head reaches the end or the start of the disk. Therefore the floppy drive's integrated motors are designed to step the read head through each of these 80 tracks. Please enable JavaScript to watch this video. The myRIO effectively plays the disk drives like musical instruments, by stepping the disk drive's integrated motors at specific frequencies.

This can be done quite simply using the custom counter that is already created. Hack a coin operated laundry machine All Hot Posts.

Each MIDI message includes channel number, the note to be played, note start time and note duration. These messages can then be turned into arrays of notes for each channel on the myRIOs realtime processor, which can then be passed down to the FPGA.

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