Wake-up light, part 1: casing

This entry is part 1 of 2 in the series Wake-up light

With these long nights, waking up can sometimes be challenging. Therefore, I wanted to make a wake-up light. Buying one is also one of the possibilities, but making one yourself is much more fun. You can also add some unique features. The idea is to not just have one light, but to use an LED… Read More »

Buck converter, dead bug style

For today’s experiment, the goal was to make a simple buck converter, based on an XL4005 I had lying around. Since I don’t have experience with building an actual switching voltage regulator, this is a nice and educational experiment. The circuit is basically the application example of the XL4005 datasheet: Operating frequency is about 300 kHz… Read More »