This instructable will walk you through the steps to solder up your Scrapyard Challenge 555 Noisemaker kit!
This kit is a tool to teach the fundamentals of electricity through sound. Open vs closed circuits, conductivity, and resistance are demonstrated through the articulation and frequency control of a square wave tone output from a completely analog 555 timer circuit.
555 Noisemaker Features
- 555 timer circuit, outputting a sonified square waveform
- 2 circuit inputs: one to learn about open and closed circuits (on/off) and the other to connect dynamically resistive circuits (controls frequency of tone output)
- Switch to select between headphone or speaker output
- Switch to select between constant on or switch mode (open/closed circuit)
- Potentiometer to adjust range to fit current resistive circuit range
- Spring terminals for easy and safe circuit connecting and disconnecting
- Large 8-ohm speaker for big sounds from little power!
- 9-volt battery enclosure with on/off switch
- 2.1mm barrel jack for external power supply (will accept anything up to 12v)
- 2 LEDs: one power and one pulsing with frequency of square wave output
To order your own 555 Noisemaker kit, email joe saavedra
. They cost $20 + $5 shipping to anywhere in the USA.
This kit is wholly open-source! Check out the Eagle CAD files on github here: http://github.com/jmsaavedra/Scrapyard-555-Kit
by Jonah Brucker-Cohen
and Katherine Moriwaki
. Board and kit designed by joe saavedra
. With support from Louisa Campbell, Liza Stark
, and Parsons
the New School for Design, Dept of Art, Media, and Technology
Simple "Light Theremin" demo: