Hobbies

Making It Exact

Check out this URL in my THMShop blog: http://thmsblog.tedatum.com/?p=924 I just finished installing a Digital Read Out (DRO) on my machine shop milling machine. The link to my other blog will tell you how to see the four page report and the about 80 pictures I took when I installed the DRO. This device will alow me to perform accurate machining much easier than before. A DRO has been state-of-the-art in manual machine tools for...

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My Thoughts on the iPad

The iPad bashing has begun. Everyone (exaggeration) is trying to figure out what it is. Steve Jobs tells you what it is if you are geeky enough to watch the release at Apple.com and non geek enough to listen. But the geeksters are not listening. At least not the ones I have been reading for the last few hours. No, it is not a feminine hygiene product. That’s typical bash talk from the folks who...

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Christmas 2009 Light Show

Here is a video display of my computerized lighting display for Christmas 2009. There are 32 individual circuits and thousands of individual lights. Elsewhere in this blog is a report on the design of the system. HERE The music is played on a broadcast band FM transmitter and can be heard on (visiting) car radios at 107.3 MHz. The display is not simply plugging  in a song and letting the lights do their thing. There...

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Microwave Final IF

This is the 20 year old never used Realistic HTX-100 10 meter SSB/CW transceiver I purchased on eBay. It is just like brand new. Not even a scratch on it. I bought this rig (ham speak for transceiver) to be the last intermediate frequency module for use in any portable microwave system I may assemble. I have nothing else yet so this is the start, the basic first building block. In the world of radio,...

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