Update after 3 months The UPS is functioning as it should, and I think the solution is viable as a simple, low cost UPS where it is needed. It was a good mind and build exercise, but there are two reasons why I am not keeping it: First – realistically speaking, electricity fails way too seldom to actually use it. Second, unless I build one of these for each room, I will always have to… Continue reading
Intro My old Ikea GRÖNÖ lamp was long due for an upgrade to LED, but I wanted to use a strip not just buy a bulb. That is because I wanted the light controllable through my 1000² home automation system. Now, the cool thing about building my own dimmers is that I could dim the light down to very low duty factors, which is pretty good considering the way human eye responds to light levels. As a… Continue reading
Third iteration of my led logger, a device that measures the lifetime of LEDs. Now with WiFI! Continue reading
How long do LED’s last? Let’s check their intensity and find out, featuring an internet connected tester! Continue reading
Do LEDs really last as much as they say? I’m building a tester to find out. Continue reading