Plasma Speaker

My efforts to construct a plasma speaker, which is basically an electronic arc modulated by a sound source. It all started from an Instructables article I found on the web, and there were several misadventures as I tried to turn it into a workable design.

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Rigol DS1052E Oscilloscope

An oscilloscope is one of the handier pieces of equipment that you can have on your workbench, especially if you’re working with circuits that generate any kind of waveform or have any sort of oscillators. For about a decade I’ve had a decent B&K precision 20Mhz analog scope. I felt it was finally time to …

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Cisco Router Cheat Sheet

This is a list of useful things that I’ve done using Cisco IOS via the command line interface. It’s really only for my own use, on my 861W, but in the case it comes in handy for someone else, here it is… Show the configuration: show config ! to show running configuration instead: show running-conf …

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Cisco 861W router

I got a little bit tired of my D-Link router requiring the occasional reboot to get the access point working, so I decided to go a bit wild and buy a Cisco business-class router. The one I chose was the 861W. This page is going to describe my various experiences getting the new router up …

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Aoyue 852A Hot Air Rework Station

I recently decided to try my hand at SMD work, and I purchased this inexpensive chinese-made hot air gun. I’m new to this, so this is my first time trying it out. I’ll write up more as time permits. For now, here are a couple of videos: youtube video of my demo of the AOYUE …

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