Vintage Handset Bluetooth Mod


The idea for this project is pretty straight forward - put a small bluetooth headset into an antique phone headset.

After scrounging the local antqiue dealers. I came across a great candelsitck headset. It was in fairly good condition (some chips on the ceramic parts, but surprinigly no rust) and it even had an external button!

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The Internet 2.0

Have you ever wanted to build your own "The Internet" of "The IT Crowd fame? This video will run you through the simple steps to get your "Internet" up and running in no time.


2n3904 NPN Transistor1
LM324 Quad Op-Amp1
47 K Ω resitors4
100 K Ω resitor1
100 Ω resitor1
Red LED1
1n4148 Diode1
Black Plastic Project Box1




Bill Bowden's Original circuit called for a LM1458 dual Op-Amp, but I used a LM324 quad Op-Amp, since that's what I had on hand. The pinout numbers are almost identical - only the power and ground pins are different.

Did you like this video? Then check out my work on The IT Life

Original LED Circuit by Bill Bowden

Music - "Internet" by Kubi

Passive Agressive Game Of Life Display

Game of Life LED Display mounted

This display was designed and built as part of the "Passive Agressive" art show.

The display uses 100 blue LEDs to display various patterens. Many large scale LED displays are multiplexed, to save power and output pins. The drawbacks are reduced light output, and the need to rely on using Persistance of Vision to simulate a frame on the board. I ended up deciding to make each 'pixel' on my display individuallty adressable. I was able to do this because the number of outputs I needed (100) was reasonable to wire, and I didn't need to acheive a very high refresh rate.

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Passive Agressive Direct Reader

Passive Agressive Direct Card Reader

The P.A. Direct Reader simply reads all three tracks of data on a standard mag stripe card, and displays that data.

Originally, the setup was not going to use a computer, but run from an arduino. However some last minut problems with reading multiple tracks, and some hardware problems led to the use of a PC. Processing was used to both read the data from the card reader, as well as display/erase the data on screen.

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Passive Agressive Audio Interpreter

The purpose of the Audio Interpreter is to read card data, and map the data from the card to different tones and hold times. When swiped, each card will play a different 'song'.