NE555 and Arduino for interactive sound production

This project shows a combination of analog and digital circuits ready for interactive sound production! The project uses Arduino and NE555. Parts used in this project

• 1 Arduino UNO (vers <10 years ago)
• 1 NE555 Timer
• 2 470Ohm resistors
• 1 220Ohm resistor
• 1 100Ohm resistor
• 2 10K(16V) potentiometers
• 1 220uF(16V) capacitor
• 1 2.2nF capacitor (optional)
• 1 LED 23mA
• 1 NPN transistor
• 1 Speaker

We have not tested the project yet. The project has been shared from fritzing.org under creative commons license. Documents related to this project:

• Fritzing file
• Arduino sketch
• Original fritzing page

All the images related to this project are on flickr.