Another crazy electronics project has landed. Now, I’ve got a doorbell with a few extra bells and whistles.
Continue reading Dual-button doorbellAll posts by espena
Personal dashcam server with Emby
After purchasing a dashboard camera for my car, I started building a private server environment for collecting and storing the video files from the camera.
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Fixing content security Policy for WordPress
Getting WordPress to play along with HTTP Content Security Policy (CSP) can be challenging.
Security headers play an important role in protecting your web site against malicious attacks, but they can also cause trouble for legitimate server applications.
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Infrared light barrier
I spotted a nice hobby project when my garage door was to be secured with an infrared light barrier.
Homemade gadgets are of lower quality and much more expensive. However, it’s a lot more fun!
Database research reports with SQL
How about a super-simple tool for making, pretty-printed PDF research reports from your usual mess of intricate SQL queries?
There are times when you have to let the rest of your news room into what your’re up to, spending hours and days drilling into large data sets pulled and tweaked by complex SQL queries.
New GPG key
I have created a new encryption key, and will transition away from the old one. Inspired by Simon Josefsson at Yubico, I have created (that is, copied) his key transition statement. It can be found at https://espenandersen.no/key-transition-2016-12-22.txt. The statement is signed by both my old and my new key.
Sign a web page with PGP
If you want your audience to be absolutely certain that the web page you just served them has not been tampered with, read on. This method may be a good way to calm down even your most paranoid readers.
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Watering pump controller
My friend Per Ervland nurtures his practical skills by crafting a solution to relieve him and his wife from the rather cumbersome task of keeping their container garden alive. I helped him with some of the inner workings.
SOSI shape-up
I have written an open-source program to convert Norwegian SOSI map data files into the more widely used Shapefile format.
Insect focusing
Get razor sharp macro shots with a system camera and a couple of gadgets. The tehcnique is called focus stacking.