Search: "old TV"

Mining stuff from an old TV – Flyback Driver

November 21, 2010

In my (now) continuing series on making stuff out of an old TV I wanted to show you next step I took. Having tested the driver I made in an earlier post with a 12v battery it became apparent that I needed to create a much higher DC power source. Luckily I had a variable […]

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20,000 volt DC power supply from an old TV

November 12, 2010

As a follow up to the recent post about extracting components from an old TV, here is a short clip showing what I made from them : This was shot at 12:30am so apologies if I sound a little bit “out of it”. This is a simple 15Khz pulsed DC driver for a TV flyback […]

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How to extract the goodness from an old TV

November 5, 2010

I was recently looking to put together a high voltage DC power supply, after searching around online for the necessary components I realised that I would be better off trying to extract them from some redundant technology. One quick trip to my second favourite store – Goodwill – and I had all the parts I […]

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…a sinewave generator using PWM

February 9, 2011
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I was reading up on filter design when I came across an article on the Lab3 site…. The results were impressive, using just Pulse Width Modulation generate an accurate 8-bit sine wave. The key is a good low pass filter – most of the time I’ve been using as RC filter, but this uses a […]

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