Category Archives: Projects

Sound Insulated Rack Refresh

I keep my servers and networking gear in an enclosed, sound insulated rack in my garage. It keeps the noise down, makes it easy to duct the heat outside in the summer-time, and is a setup I’ve been quite happy … Continue reading

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Numitron Clock

After watching a recent Technology Connections video about Numitron tubes, I was inspired to pick some up to add to my dragon’s hoard of junk. A quick visit to eBay later, and a few less dollars in my bank account, … Continue reading

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HP 3478A Repair

I’ll start with noting that these repairs on the HP 3478A (and many other older HP instruments) are well documented amongst the community. I mostly referenced the excellent write-up here by Tom. I mostly followed the procedure described, I backed … Continue reading

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Switch / Router Learning Platform

I’ve been interested for a while in playing with ethernet switching on a hardware level, and decided to put together a platform to play with routing and switching hardware with a Raspberry Pi compute module, and an ‘off the shelf’ … Continue reading

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GPS Timing Over USB

I recently posted about building this GPS receiver for use in making Stratum 1 NTP servers, and through conversation with some friends, I was interested understanding the performance difference in timing the Pulse-Per-Second (PPS) signal via the hardware serial port, … Continue reading

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