The Makey Makey Veggie Piano fit the musical theme and the goal was to have fun and make people smile. Success!
This project took me about 10 hours.
Tools and parts required:
USB cable, and alligator clips (comes with Makey Makey)
Computer running Windows, MAC or Linux
VMPK Piano software
VMPK keymap file - Attached to this step - "Makey Makey 18 Key Veg.xml"
Makey Makey Arduino program
Acrylic or wood to mount your piano parts to
Ruler or straight edge
Exacto knife or box cutter
Bolts and Nuts
22 AWG solid core wire
Antistatic wrist strap or velcro cable strap (if you are using a Velcro cable strap you will also need tin foil and scissors)
Solder and soldering gun
Drill &1/4" drill bit
Loud computer speakers
20 vegetables + a few extra - I used carrots and green/yellow zucchinis
Arduino Software (PLEASE use Linux to program the Makey Makey; Windows requires drivers, which means going into the hardware manager and updating the drivers before it updates itself while trying to upload to the Makey Makey... believe me when I say that using Linux is much easier!)
And don't forget your Instructables sticker ;)
Submitted by Mobile Makerspace for the Instructables Sponsorship Program
Step 1: Makey Makey Arduino Code
Instructions to program your MaKey MaKey are provided by Sparkfun: http://www.sparkfun.com/tutorials/388
You will need the Arduino Add on Files from Sparkfun (follow the instructions they provide you)
If you are a Windows user you will also need the driver (which I found difficult so I booted into to Linux and found it much easier). The driver, add on files, and instructions can be found on the Sparkfun website: https://www.sparkfun.com/products/11511
When you reprogram the Makey Makey, use new Arduino code by replacing the settings.h code with the code provided in the Carrot Piano (A MaKey MaKey Project) by jimbob1996 instructable. Do NOT use the piano keymap configuration on that Instructable. There are plenty of instructions on how to program an Arduino, which is what a Makey Makey is with a few modifications.
Step 2: Find Some Acrylic
I found a large sheet as a base and a piece that was formed like a channel, so I grabbed them both thinking I could keep the wires and Makey Makey inside the formed piece and mount the veggies the on top.
Step 3: Drill Holes
Step 4: Position the Base and Hinge
Once you have put your tape on the acrylic, then remove the hinge and use a box cutter to cut where the two pieces of acrylic meet, separating the tape.
Step 5: Glue and Clamp the Hinges
Step 6: Drill Some Holes and Insert Bolts
Insert your bolts through the holes but be sure not to tighten the bolts too tight; otherwise you will crack the acrylic. You can use some Loctite, nylon threads, or even a bit of Gorilla glue on the nuts to keep them from coming off if they are loose.
Step 7: Time to Run Some Wires!
Strip both ends of the wire exposing about 1" of wire on the top side and about 1/4" on the inside.
Step 8: Solder Finishing Nails to Wire
Step 9: Organize Your Wires
Step 10: Plug in & Sugru
Bend the wires down to allow clearance when the lid is closed and use some zip-ties to bring the wires together to organize them.
Run the USB wire out the top middle hole. You may need to make the hole larger to fit the USB cable through this opening.
Use some Sugru to hold the wires in the Makey Makey and use some double sided tape to hold the Makey Makey in place.
Step 11: Insert Your Tip-Ties
Step 12: Install Veggies!
1. Grab your veggie
2. Jam it in the loop made by the zip-ties
3. Tighten the zip-ties
4. Stick the corresponding brass nail into each vegetable
5. Make sure the vegetable are not touching each other
Now you are a certified Makey Makey piano veggie installer.
Step 13: Make an Antistatic Wrist Strap
I cut a piece of tin foil about 4 times as wide as the Velcro strap and folded it so it is the same width, then used a regular needle and thread to sew it into the inside of the Velcro strap. It was large enough to fit on the fingers of adults and the wrists of children.
Step 14: Load Your Key Map
Your piano should now be set up with middle C as the first key on the right side of the keyboard.
Step 15: Festival Time
We took the Makey Makey Veggie Piano to The "Believe In People Summer Celebration" Music Festival at Woodwynn Farms and it was a big hit providing lots of fun for kids and adults, with "repeat customers" coming back again and again!