Colorganic Spectralizer Kit

Colorganic Spectralizer Kit
Miniature color organ / audio spectrum analyzer.
Note: This is an advanced level soldering kit - ASSEMBLY IS REQUIRED.
Kit Contents Frequency Indication Layout
Click on picture for a larger image.


Colorganic Spectralizer Kit
Item # 2310
Price: $ 15.00
Quantity available: 38
Order Quantity:    
Note: Partially assembled kits are Non-Returnable.

Product Contents

  • High quality printed circuit board
  • Seven 10mm LEDs in assorted colors
  • Pre-programmed microprocessor chip
  • SMT resistors, capacitors, and ICs
  • On/Off Switch
  • Microphone
  • Battery holder
  • All hardware (screws, nuts, spacers)


The Colorganic Spectralizer is an audio spectrum analyzer with seven bright 10 mm colored LEDs. Use it as a miniature color organ or just a flashy desktop display thingey. Each LED responds with a brightness that's in proportion to the sound level at a particular frequency. The Colorganic Spectralizer comes complete with an integrated microphone and runs for hundreds of hours on one set of AA batteries.


  • Entertainment or game system enhancement
  • Visual telephone ring indicator
  • Visual baby monitor
  • Video game enhancer
  • Visual aid for the deaf

This is a hackable gadget! The design files are published here (see the Resoruces section below), and you can modify the source code and reprogram the device. There's even a Bar Graph LED modification that you can build and add on to make your Colorganic Spectralizer look like a graphic equializer display.

This kit is an advanced level electronics construction project because requires soldering skills with surface mount technology parts, so it is not recommended for beginners (unless you are an awesome beginner). You will need patience and a fine touch to assemble this kit successfully. The assembly instructions can be downloaded (below); please take a look and make sure you are up to the challenge before ordering this kit.

The indicator LEDs can be arranged in any color layout that you want. You can use the standard layout, or rearrange the LED colors to any design that you desire. In order to assist you with the color layout design, use the color layout designer tool before assembling the kit.


  • Frequency Response: 40 Hz - 20 KHz in Seven Bands: 63 Hz, 160 Hz, 400 Hz, 1 KHz, 2.5 KHz, 6.25 KHz, 16 KHz
  • Input: Integrated omnidirectional microphone, optional direct connection
  • Display: Seven (7) 10 mm color LEDs (red, green, blue, white, yellow, orange)
  • Power Requirement: (3) AA Batteries (not included)
  • Dimensions: 2.5"(64mm) x 1.9"(48mm) x 1.5"(39mm)
  • Weight: 1.2 oz (34g) without batteries


Operation Manual:  download (PDF)
Assembly Manual:  download (PDF)
Electrical Diagram:  download (PDF)
Source Code Listing:  download (TXT)
Source Project Folder:  download (ZIP)
Previous Version Archive:  download (ZIP)
Component Layout Diagram:  download (PDF)
Assembled PCB:  download (JPG)

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