LED Color OrganMark Vrablic

What is a Color Organ?

What is a Color Organ?

What is a Color Organ?

Modern day Color Organ

Why do I want to make one?

Block Diagram

Band-pass filtering,rectification, and smoothing

Why use a ramp?

Band Voltage

Ramp

Generating a ramp

Ramp Output

How to build a 15PDT switch

How to build a 15PDT switch

Crude power supplyProblem:

•Need to source peak 12V@0-10A

Solution:

•Rectify Two 18V Transformers

•Use 5 LM7812s with big heatsinks

TimelineWeek of Lab Goal PCB Goal

4/1 Proposal and initial design

4/8 Combine Audio, Band pass filters (1 channel)

Initial schematic

4/15 Ramp Generator, comparator, order parts

Finalize schematic, begin layout

4/22 Build power supply Finish layout and submit for manufacture

4/29 Debug Build PCB

Questions?