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Category Archives: Electronics
Christmas arches update
One thing I learned from putting up Christmas arches in 2023 is that the lights don’t tolerate being on the ground very well. The bulbs are not waterproof and the grass stays wetter longer than the arches themselves. Half of … Continue reading
Posted in Electronics, Home projects
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Turn signal Arduino device – update
In the last post, my turn signal device worked great when the car lights were running on battery. However, as soon as I turned the engine on the device was caught in a reboot loop. I hooked up my Xprotolab … Continue reading
Posted in Cars, Electronics, Software
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Turn signal Arduino device
After 6 months of driving with a manual pushbutton left turn signal, I decided it was finally time to build a more permanent solution. In the 2013 Volkswagen Passat, the turn signals always have at least a 33% duty cycle … Continue reading
Posted in Cars, Electronics, Software
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Turn signal triage
A few weeks ago, my 2013 Volkswagen Passat started exhibiting strange behavior: intermittent failure of the left turn signal, and random trunk openings while driving. After a few days of using a rope to pull the trunk shut from the … Continue reading
Posted in Cars, Electronics
1 Comment
Wall-mounted PC Build
A few weeks ago, I decided to build a custom wall mount for my PC! I’ve been wanting to ditch my old Dell computer case and also make the heat sinks easier to clean. The key components are a PCIe … Continue reading
Posted in Electronics, Home projects
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Lighting Retrofit, pt 2
Finally the time has arrived to tear out our kitchen lighting and install LED can lights. I had a lot of fun laying out the design, and even more fun drilling into my ceiling. So far the new lights have … Continue reading
Posted in Electronics, Home projects
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Mini-split thermal imaging
One of the advantages of owning a thermal camera is that you can inspect HVAC systems whenever you like! The mini-split heat pumps I work with provide a great example and so far this one shows no significant degradation in … Continue reading
Posted in Electronics, Home projects
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Lighting retrofit
I just finished a kitchen lighting retrofit so I thought I would share some of the things I learned. Our kitchen had four 40W T12 fluorescent bulbs when we moved in and by the time two of bulbs stopped working … Continue reading
Posted in Electronics, Home projects
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Building the Custom LED Vanity
For this build we are making a wall-mounted vanity mirror with about a 2000K to 8000K color temperature range. White LEDs are available in this range but they typically achieve the color temperature target using special composition and density of … Continue reading
Posted in Electronics, Home projects, Software
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Abella, enclosed
Although Abella used to live in a shoebox, now the electronic musical instrument has been fully soldered and packaged in a project box. The prototype is complete!
Posted in Electronics, Music, Software
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Gregory Kimball 