Simple Electronic Piano with 555 timer in CD Case

Picture of Simple Electronic Piano with 555 timer in CD Case
In this instructable, I will show you how to make a simple electronic piano with common components. It uses capacitors and resistors, so you could easily modify the circuit. When the project is finished you will have a working simple circuit that can produce a variety of tones.

Of course, there are a couple of instructables that already feature such a circuit, but this is an Electronic Piano similiar to the one designed by sholtob. For reference, the original sholtob article is here while a great tutorial on building it is here. For the enclosure I used an old CD case, so it will easy to hold, and to keep the circuit well.

This is the video of my electronic piano

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Step 1: Parts and tools

Picture of Parts and tools
Here is all you will need:
- (1) CD case
- (1) Perfboard
- (1) IC 555 Timer
- (1) 8 Pin DIP IC Socket
- (1) Potensio 10K
- (1) Potensio Knob (optional)
- (6) Tacticle Switch / Buttons
- (1) Flashing LED RGB (optional colour)
- (7) Resistor 1K Ohm
- (1) Ceramic Capacitor 0,1uF
- (1) Electrolit Capacitor 10uF
- (1) Speaker 8 Ohm
- (1) 9 V battery
- (1) 9 V battery holder with switch / Battery Clip
- Shrink tubing
- Jumper wire
- Male header extended (optional)
- Blackhousing / female 1x1 header (optional)

- Soldering iron
- Solder
- Hot glue
- Mini drill
- Pliers
- Cutter
- Helping hands (if you don't have it, you can build it from my helping hands instructable)

Step 2: Making the circuit on breadboard

Picture of Making the circuit on breadboard
First, lets put the components on a breadboard so we could see how it worked and how to fit it onto the perfboard.
The circuit diagram was made with Fritzing.

Test everything out and make sure that you're circuit is going to work before you start soldering.
can you send me the fritzing file

I am Monish Meher from India I tried this project on a PCB.

And NeoRecasta here is your file

cheezyguy51 year ago

This looks so cool! I'm gonna make one as soon as the parts get here from taydaelectronics.com!

faziefazie (author)  cheezyguy51 year ago
Good luck, and tell me how it goes :)
vortexy1 year ago
Please add schematic :)
Love it
faziefazie (author)  oakironworker2 years ago
Thanks, glad you like it :)
J-Five2 years ago
faziefazie (author)  J-Five2 years ago
Thank you so much :)