Drawdio

Manufacturer

Adafruit Industries, USA.

Hackability Level

high, the perfect hackable device, you can do what you want with it

Drawdio is a very simple musical synthesizer that uses the conductive properties of pencil graphite to create different sounds. The result is a fun toy that lets you draw musical instruments on any piece of paper.

No more blah blah, watch this videoto get what it's all about. Have fun!

Kit contents:

• 1 x Adafruit Drawdio PCB    
• 1 x IC TLC551 or similar low voltage '555 timer chip
• 1 x PNP transistor, EBC pinout (PN2907 or 2N3806)
• 1 x 680pF ceramic capacitor
• 1 x 0.1uF ceramic capacitor (104)
• 1 x 100uF / 6.3V capacitor (or higher)
• 1 x 1/4W 5% 10 MEGAohm or 1/4W 5% 20 MEGAohm resistor
• 1 x 1/4W 5% 10 ohm resistor
• 1 x 1/4W 5% 10K resistor
• 1 x 1/4W 5% 300K resistor
• 1 x AAA battery holder     EPD BH412    
• 1 x Small 8ohm speaker   
• 1 x Copper foil tape   
• 1 x 6" Thumbtack    
• 1 x Pencil   
• 1 x Zip Tie   
• 1 x Wire

The Drawdio kit is a collaboration between Ladyada & Jay Silver, based on his original design!