Ever since I laid eyes on a real broadcast clock, I knew I had to get one, with automatic time keeping over NTP or via satellites. That calls for another hairy ESP32 electronics project!
Continue reading Broadcast clock with ESP32 and NTP/GPS receiver
Invitation card for geeks
As I get older, concerns revolve around how to maintain a self-proclaimed status as the unequivocal nerdiest geek in town. So, here’s my ESP32 based, ultimate invitation card…
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Doorbell circuit
Another crazy electronics project has landed. Now, I’ve got a ESP32 doorbell circuit with a few extra bells and whistles.
Continue reading Doorbell circuit
Dashcam upload to personal server
After purchasing a dashboard camera for my car, I started building a private server environment for dashcam upload and storing of video files.
Continue reading Dashcam upload to personal server
Fixing content security Policy for WordPress
Getting WordPress to play along with HTTP Content Security Policy (CSP) can be challenging.
Continue reading Fixing content security Policy for WordPress
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?
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.
Continue reading Sign a web page with PGP
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.