Category Archives: Electronics

Cellular IoT Connectivity

With the recent interest in “Internet of Things” devices, most of the major cellular carriers have started offering very affordable plans targeted at this market. AT&T is offering prepaid data, and $1/month/sim card at https://marketplace.att.com/iot-connectivity T-Mobile is offering unlimited data (speed … Continue reading

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K7NVH PoE PDU

A little while ago, I posted about using surface mount stencils for the first time on a new project. I’ve been able to get a couple of the units completed, and with some help from a friend with milling the … Continue reading

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Cheap Wall Rack

After putting together the ESD protection bar for my PoE devices, I decided that I wanted to reduce the number of ethernet runs I had strung across the garage, so I took some scrap bits of lumber, and made a … Continue reading

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2017 Balloon Launch

This last weekend I went over with the class from UW and helped out with the annual high altitude balloon launch. I flew a position tracking payload, as well as a camera that got some pretty nice photos. Check out … Continue reading

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Basic ESD Protection

A recent thunderstorm that came through the area reminded me that I needed to work on some improvements to my surge suppression systems. I have a number of outdoor ethernet devices like security cameras with rather long runs of cable … Continue reading

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