Category Archives: Electronics

CRT Clock Build

Posted on 2019-02-10 by Nigel VH

While it’s not particularly new or novel, I’ve long been interested in setting up an Oscilloscope Clock with one of the various kits that have been available for some time. Over the holidays one of the gifts from my family … Continue reading →

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2018 Balloons Launch

Posted on 2018-05-19 by Nigel VH

The 2018 launch used a single balloon. The flight reached approximately 104,000ft in altitude, and carried carried a number of student payloads, the 900MHz voice telemetry system, a commercial APRS tracker board, my custom IRIS board. Additionally, a Raspberry Pi … Continue reading →

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Cellular Webcam

Posted on 2018-03-04 by Nigel VH

A bit ago I posted about setting up an RPi with cellular connectivity which could be used for any number of ideas. One I mentioned was a remote webcam. I took the basic setup I had shown before, and attached … Continue reading →

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New RNG Revision

Posted on 2018-01-03 by Nigel VH

Speaking with a few folks I chat with regularly there ended up being some renewed demand for the Random Number Generator USB Sticks I had made a few years ago. I didn’t have any of the original ones remaining, so … Continue reading →

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Cellular IoT Connectivity

Posted on 2017-11-27 by Nigel VH

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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